DR. HENRY JACK GRAINGER DO
NPI 1306892005
Internal Medicine in Houston, TX

NPI Status: Active since May 25, 2006

Contact Information

511A W TIDWELL RD
HOUSTON, TX
ZIP 77091
Phone: (713) 694-9709
Fax: (281) 618-8761

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  • Individual
  • Male
  • Years of Experience 53
  • Internal Medicine
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled
  • CLIA Number: 45D0687455
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 08-31-2026

About HENRY GRAINGER

This page provides the complete NPI Profile along with additional information for Henry Grainger, an internist established in Houston, Texas with a medical specialization in Internal Medicine and more than 53 years of experience. The healthcare provider is registered in the NPI registry with number 1306892005 assigned on May 2006. The practitioner's primary taxonomy code is 207R00000X with license number E1595 (TX). The provider is registered as an individual and his NPI record was last updated 5 years ago.

NPI
1306892005
Provider Name
DR. HENRY JACK GRAINGER DO
Gender
Male
Entity Type
Individual
Location Address
511A W TIDWELL RD HOUSTON, TX 77091
Location Phone
(713) 694-9709
Location Fax
(281) 618-8761
Mailing Address
511A W TIDWELL RD HOUSTON, TX 77091
Mailing Phone
(713) 694-9709
Mailing Fax
(281) 618-8761
Medical School Name
OTHER
Graduation Year
1973
Is Sole Proprietor?
Yes
Enumeration Date
05-25-2006
Last Update Date
04-12-2021
Code Navigator

An internist like Henry Grainger is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Internal Medicine

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
License No.
E1595
License State
TX
Taxonomy Description
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207RC0000XAllopathic & Osteopathic Physicians

Internal Medicine
Cardiovascular Disease

E1595 (TX)
2207RG0300XAllopathic & Osteopathic Physicians

Internal Medicine
Geriatric Medicine

E1595 (TX)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Choice Bronze HSA - HMO
  • Choice Bronze HSA + Vision + Adult Dental - HMO
  • Complete Gold - HMO
  • Complete Gold + Vision + Adult Dental - HMO
  • Complete Silver - HMO
  • Complete Silver + Vision + Adult Dental - HMO
  • Elite Gold - HMO
  • Elite Gold + Vision + Adult Dental - HMO
  • Everyday Bronze - HMO
  • Everyday Bronze + Vision + Adult Dental - HMO
  • Standard Expanded Bronze - HMO
  • Standard Expanded Bronze + Vision + Adult Dental - HMO
  • Standard Gold - HMO
  • Standard Gold + Vision + Adult Dental - HMO
  • Standard Silver - HMO
  • Standard Silver + Vision + Adult Dental - HMO
  • Choice Bronze HSA (QualChoice) - POS
  • Complete Gold - PPO
  • Complete Gold + Vision + Adult Dental - PPO
  • Connected Silver - PPO
  • Connected Silver (QualChoice) - POS
  • Connected Silver (QualChoice) + Vision + Adult Dental - POS
  • Connected Silver (QualChoiceLife) - PPO
  • Connected Silver (QualChoiceLife) + Vision + Adult Dental - PPO
  • Connected Silver + Vision + Adult Dental - PPO
  • Elite Bronze - PPO
  • Elite Bronze + Vision + Adult Dental - PPO
  • Elite Gold (QualChoice) - POS
  • Elite Gold (QualChoice) + Vision + Adult Dental - POS
  • Elite Gold (QualChoiceLife) - PPO
  • Elite Gold (QualChoiceLife) + Vision + Adult Dental - PPO
  • Everyday Bronze - PPO
  • Everyday Bronze + Vision + Adult Dental - PPO
  • Standard Expanded Bronze - PPO
  • Standard Expanded Bronze (QualChoice) - POS
  • Standard Expanded Bronze + Vision + Adult Dental - PPO
  • Complete Gold - EPO
  • Complete Gold + Vision + Adult Dental - EPO
  • Elite Bronze - EPO
  • Elite Bronze + Vision + Adult Dental - EPO
  • Elite Gold - EPO
  • Elite Gold + Vision + Adult Dental - EPO
  • Everyday Bronze - EPO
  • Everyday Bronze + Vision + Adult Dental - EPO
  • Focused Silver - EPO
  • Focused Silver + Vision + Adult Dental - EPO
  • Standard Expanded Bronze - EPO
  • Standard Expanded Bronze + Vision + Adult Dental - EPO
  • Standard Gold - EPO
  • Standard Gold + Vision + Adult Dental - EPO
  • Standard Silver - EPO
  • Standard Silver + Vision + Adult Dental - EPO
  • Complete Gold - EPO
  • Complete Gold + Vision + Adult Dental - EPO
  • Enhanced Diabetes Care Silver with $0 Drug Options - EPO
  • Enhanced Diabetes Care Silver with $0 Drug Options + Vision + Adult Dental - EPO
  • Everyday Gold - EPO
  • Everyday Gold + Vision + Adult Dental - EPO
  • Focused Silver - EPO
  • Focused Silver + Vision + Adult Dental - EPO
  • Standard Gold - EPO
  • Standard Gold + Vision + Adult Dental - EPO
  • Standard Silver - EPO
  • Standard Silver + Vision + Adult Dental - EPO
  • Elite Bronze - PPO
  • Elite Bronze + Vision + Adult Dental - PPO
  • Elite Gold - PPO
  • Elite Gold + Vision + Adult Dental - PPO
  • Enhanced Asthma/COPD Care Silver with $0 Drug Options - PPO
  • Enhanced Asthma/COPD Care Silver with $0 Drug Options + Vision + Adult Dental - PPO
  • Enhanced Diabetes Care Silver with $0 Drug Options - PPO
  • Enhanced Diabetes Care Silver with $0 Drug Options + Vision + Adult Dental - PPO
  • Everyday Bronze - PPO
  • Everyday Bronze + Vision + Adult Dental - PPO
  • Everyday Gold - PPO
  • Everyday Gold + Vision + Adult Dental - PPO
  • Focused Silver - PPO
  • Focused Silver + Vision + Adult Dental - PPO
  • Standard Expanded Bronze - PPO
  • Standard Expanded Bronze + Vision + Adult Dental - PPO
  • Standard Gold - PPO
  • Standard Gold + Vision + Adult Dental - PPO
  • Standard Silver - PPO
  • Standard Silver + Vision + Adult Dental - PPO
  • Blue Advantage Bronze HMO? 204 - HMO
  • Blue Advantage Bronze HMO? 301 - HMO
  • Blue Advantage Bronze HMO? Standard - HMO
  • Blue Advantage Gold HMO? 206 - HMO
  • Blue Advantage Gold HMO? 603 - HMO
  • Blue Advantage Gold HMO? Standard - HMO
  • Blue Advantage Plus Bronze? 303 - POS
  • Blue Advantage Plus Bronze? 305 - POS
  • Blue Advantage Plus Bronze? Standard - POS
  • Blue Advantage Plus Gold? 203 - POS
  • Blue Advantage Plus Gold? 803 - POS
  • Blue Advantage Plus Gold? Standard - POS
  • Blue Advantage Plus Silver? 202 - POS
  • Blue Advantage Plus Silver? 605 - POS
  • Blue Advantage Plus Silver? Standard - POS
  • Blue Advantage Security HMO? 200 - HMO
  • Blue Advantage Silver HMO? 205 - HMO
  • Blue Advantage Silver HMO? 801 - HMO
  • Blue Advantage Silver HMO? Standard - HMO
  • MyBlue Health Bronze? 402 - HMO
  • Community Premier Bronze 003 (No deductible for PCP, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) - HMO
  • Community Premier Bronze 018 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) - HMO
  • Community Premier Gold 005 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) - HMO
  • Community Premier Gold 021 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) - HMO
  • Community Premier Silver 012 (No deductible for PCP, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) - HMO
  • Community Premier Silver 020 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) - HMO
  • Molina Gold Core 1640 - HMO
  • Molina Gold Core 1640 Plus with Adult Dental and Vision - HMO
  • Molina Gold Core 1640 Plus with Adult Vision - HMO
  • Molina Gold Saver 750 - HMO
  • Molina Gold Saver 750 Plus with Adult Dental and Vision - HMO
  • Molina Gold Saver 750 Plus with Adult Vision - HMO
  • Molina Gold Standard - HMO
  • Molina Silver Core - HMO
  • Molina Silver Core Plus with Adult Dental and Vision - HMO
  • Molina Silver Core Plus with Adult Vision - HMO
  • Molina Silver Saver with Four Free PCP Visits - HMO
  • Molina Silver Standard - HMO
  • Bronze Classic 4700 - EPO
  • Bronze Classic Standard - EPO
  • Bronze Elite + PCP Saver Plus - EPO
  • Bronze Simple Breathe Easy with Enhanced COPD Benefits - EPO
  • Bronze Simple Chronic Care CKM - EPO
  • Bronze Simple Diabetes - EPO
  • Gold Classic - EPO
  • Gold Classic Guided Care - HMO
  • Gold Classic Standard - EPO
  • Gold Classic Standard Guided Care - HMO
  • Gold Elite - EPO
  • Gold Simple Diabetes Guided Care - HMO
  • Gold Simple Guided Care - HMO
  • Silver Classic - EPO
  • Silver Classic Standard - EPO
  • Silver Classic Standard Guided Care - HMO
  • Silver Simple Breathe Easy with Enhanced COPD Benefits Guided Care - HMO
  • Silver Simple Chronic Care CKM Guided Care - HMO
  • Silver Simple Diabetes Guided Care - HMO
  • Silver Simple Guided Care - HMO
  • UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care) - HMO
  • UHC Bronze Essential ($0 Virtual Urgent Care) - HMO
  • UHC Bronze Standard - HMO
  • UHC Bronze Standard+ (Dental + Vision) - HMO
  • UHC Gold Advantage ($0 Virtual Urgent Care, $8 Tier 2 Rx) - HMO
  • UHC Gold Advantage+ ($0 Virtual Urgent Care, $8 Tier 2 Rx, Dental + Vision) - HMO
  • UHC Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $8 Tier 2 Rx) - HMO
  • UHC Gold Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, $8 Tier 2 Rx, Dental + Vision) - HMO
  • UHC Gold Standard - HMO
  • UHC Silver Advantage ($0 Virtual Urgent Care, $5 Tier 2 Rx) - HMO
  • UHC Silver Advantage+ ($0 Virtual Urgent Care, $5 Tier 2 Rx, Dental + Vision) - HMO
  • UHC Silver Standard - HMO
  • UHC Silver Value ($0 Virtual Urgent Care) - HMO
  • UHC Silver Value+ ($0 Virtual Urgent Care, Dental + Vision) - HMO
  • Wellpoint Essential Bronze 4000 HSA (+ Incentives) - HMO
  • Wellpoint Essential Bronze 6000 ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
  • Wellpoint Essential Bronze 6000 Adult Dental/Vision ($0 Virtual PCP+$0 Select Drugs) - HMO
  • Wellpoint Essential Bronze 7500 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
  • Wellpoint Essential Bronze POS 4500 ($0 Virtual PCP + $0 Select Drugs + Incentives) - POS
  • Wellpoint Essential Bronze POS 5500 ($0 Virtual PCP + $0 Select Drugs + Incentives) - POS
  • Wellpoint Essential Bronze POS 7500 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) - POS
  • Wellpoint Essential Catastrophic (+ Incentives) - HMO
  • Wellpoint Essential Gold 1500 ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
  • Wellpoint Essential Gold 2000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
  • Wellpoint Essential Gold 800 ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
  • Wellpoint Essential Gold POS 1000 ($0 Virtual PCP + $0 Select Drugs + Incentives) - POS
  • Wellpoint Essential Gold POS 2000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) - POS
  • Wellpoint Essential Gold POS 700 ($0 Virtual PCP + $0 Select Drugs + Incentives) - POS
  • Wellpoint Essential Silver 1850 ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
  • Wellpoint Essential Silver 3500 ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
  • Wellpoint Essential Silver 3500 Adult Dental/Vision ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
  • Wellpoint Essential Silver 6000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
  • Wellpoint Essential Silver POS 2500 ($0 Virtual PCP + $0 Select Drugs + Incentives) - POS
  • Wellpoint Essential Silver POS 4000 ($0 Virtual PCP + $0 Select Drugs + Incentives) - POS

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
00R283OTHER (01)TXBLUE CROSS BLUE SHIELD
115814904MEDICAID (05)TX 

Medicare Participation & PECOS Enrollment Status

Henry Grainger is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Henry Grainger is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 446146898

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20040224000823

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Provider Referred Orders for Durable Medical Equipment, Devices & Supplies

The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.

Durable Medical Equipment

  • DME-Medical/Surgical Supplies (DA023N)

    Alginate or other fiber gelling dressing, wound cover, sterile, pad size 16 sq. in. or less, each dressing (HCPCS:A6196)

    2 DME suppliers used 19 Medicare Claims 871 Services Paid

  • DME-Other DME (DE000N)

    Nebulizer, with compressor (HCPCS:E0570)

    1 DME suppliers used 27 Medicare Claims 27 Services Paid

  • DME-Other DME (DE017N)

    Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service (HCPCS:K0553)

    2 DME suppliers used 16 Medicare Claims 16 Services Paid

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Annual alcohol misuse screening, 5 to 15 minutes

An annual alcohol misuse screening is a 15-minute check-up to assess your drinking habits. It helps identify if you're consuming alcohol in a way that could harm your health. This is not a judgment, but a tool to promote your wellbeing.

This service was performed 24 times for 24 patients

Annual depression screening, 5 to 15 minutes

An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.

This service was performed 22 times for 22 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

This service was performed 21 times for 21 patients

Established patient office or other outpatient visit, 20-29 minutes

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

This service was performed 20 times for 14 patients

Established patient office or other outpatient visit, 30-39 minutes

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

This service was performed 87 times for 43 patients

Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes

An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.

This service was performed 57 times for 44 patients

Injection of drug or substance under skin or into muscle

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

This service was performed 35 times for 23 patients

Injection, dexamethasone sodium phosphate, 1 mg

Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.

This service was performed 76 times for 19 patients

Nursing facility discharge management, more than 30 minutes

Nursing facility discharge management over 30 minutes is a comprehensive process where a healthcare team prepares you for leaving the facility. It involves creating a tailored plan, coordinating care, and ensuring a smooth transition to your next care setting.

This service was performed 36 times for 29 patients

Physician supervision of a patient under a medicare-approved hospice (patient not present) requiring complex and multidisciplinary care modalities involving regular physician development and/or revision of care plans, review of subsequent reports of patien

This service involves a doctor overseeing a patient's care in a hospice, even when the patient isn't present. The doctor regularly creates or adjusts care plans, and reviews patient reports. This supervision is needed for complex, multidisciplinary treatments. It's part of ensuring quality care under Medicare's hospice benefit.

This service was performed 15 times for 13 patients

Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes

A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.

This service was performed 925 times for 63 patients

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes

A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.

This service was performed 44 times for 29 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $33.51 for a new patient copayment and $25.67 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 77091 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $134.06
  • Minimum New Patient Price $58.24
  • Maximum New Patient Price $176.98
  • Average New Patient Copayment $33.51
  • Minimum New Patient Copayment $14.56
  • Maximum New Patient Copayment $44.24

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $102.71
  • Minimum Established Patient Price $18.6
  • Maximum Established Patient Price $143.93
  • Average Established Patient Copayment $25.67
  • Minimum Established Patient Copayment $4.65
  • Maximum Established Patient Copayment $35.98

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
45D0687455
Facility Type
Physician Office
Certificate Effective Date
September 01, 2024
Certificate Expiration Date
August 31, 2026
Laboratory Director
HENRY J. GRAINGER
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Henry Grainger to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1306892005, we treat the final digit (5) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
3
Unchanged
Pos 3
0
Doubled → 0
Pos 4
6
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
9
Unchanged
Pos 7
2
Doubled → 4
Pos 8
0
Unchanged
Pos 9
0
Doubled → 0
Check
5
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 0 → 0 8 → 16 → 7 2 → 4 0 → 0

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 3 + 0 + 6 + 1 + 6 + 9 + 4 + 0 + 0 + 24 = 55

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 55 is 60. The difference is the calculated check digit.

60 - 55 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1306892005.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Family Medicine
511A W TIDWELL RD
HOUSTON, TX 77091
Internal Medicine
511A W TIDWELL RD
HOUSTON, TX 77091
General Practice
511A W TIDWELL RD
HOUSTON, TX 77091
Nurse Practitioner (Family)
511A W TIDWELL RD
HOUSTON, TX 77091

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1306892005, enumerated as an "individual" on May 25, 2006.

The provider is located at 511A W TIDWELL RD HOUSTON, TX 77091 and the phone number is (713) 694-9709.

Internal Medicine with taxonomy code 207R00000X.

The provider might be accepting Accepts: Ambetter from Arizona Complete Health, Ambetter. Please consult your insurance carrier or call the provider to verify.