DR. CHRISTOPHER MICHAEL FARMER M.D.
NPI 1619136462
Internal Medicine in Round Rock, TX

NPI Status: Active since June 06, 2008

Contact Information

300 UNIVERSITY BLVD
ROUND ROCK, TX
ZIP 78665
Phone: (512) 509-0100
Fax: (512) 218-6330

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  • Individual
  • Male
  • Years of Experience 18
  • Internal Medicine
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About CHRISTOPHER FARMER

This page provides the complete NPI Profile along with additional information for Christopher Farmer, an internist established in Round Rock, Texas with a medical specialization in Internal Medicine and more than 18 years of experience. He graduated from University Of Texas Medical School At Houston in 2008. The healthcare provider is registered in the NPI registry with number 1619136462 assigned on June 2008. The practitioner's primary taxonomy code is 207R00000X with license number P1544 (TX). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1619136462
Provider Name
DR. CHRISTOPHER MICHAEL FARMER M.D.
Gender
Male
Entity Type
Individual
Location Address
300 UNIVERSITY BLVD ROUND ROCK, TX 78665
Location Phone
(512) 509-0100
Location Fax
(512) 218-6330
Mailing Address
PO BOX 844658 DALLAS, TX 75284
Medical School Name
UNIVERSITY OF TEXAS MEDICAL SCHOOL AT HOUSTON
Graduation Year
2008
Is Sole Proprietor?
No
Enumeration Date
06-06-2008
Last Update Date
09-09-2025
Code Navigator

An internist like Christopher Farmer 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

Secondary Locations

  • 2801 Franciscan Dr
    Bryan, TX 77802
    (979) 776-5967
  • 1604 Rock Prairie Rd
    College Station, TX 77845
    (979) 680-5462

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.
P1544
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.

Insurance Plans Accepted

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

  • 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
  • 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

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

Medicare Participation & PECOS Enrollment Status

Christopher Farmer 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.

Christopher Farmer 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: 9234398546

    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: I20120306000684

    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

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.

Initial hospital inpatient care per day, typically 50 minutes

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

This service was performed 155 times for 142 patients

Initial hospital inpatient care per day, typically 70 minutes

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

This service was performed 29 times for 29 patients

Initial hospital observation care per day, typically 50 minutes

Initial hospital observation care is a service where healthcare professionals monitor your health for about 50 minutes daily. This helps them understand your condition better, plan treatment, and ensure your safety. It's a routine part of hospital care.

This service was performed 66 times for 65 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $31.6 for a new patient copayment and $24.26 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 78665 ZIP code area.

New Patients Visit Costs *

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

  • Average New Patient Price $126.4
  • Minimum New Patient Price $54.84
  • Maximum New Patient Price $166.88
  • Average New Patient Copayment $31.6
  • Minimum New Patient Copayment $13.71
  • Maximum New Patient Copayment $41.72

Established Patients Visit Costs *

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

  • Average Established Patient Price $97.05
  • Minimum Established Patient Price $17.52
  • Maximum Established Patient Price $136.11
  • Average Established Patient Copayment $24.26
  • Minimum Established Patient Copayment $4.38
  • Maximum Established Patient Copayment $34.02

* 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.

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Christopher Farmer is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
ADVENTHEALTH ROLLINS BROOK608 NORTH KEY AVENUE
LAMPASAS, TX 76550
(512) 556-3682Critical Access Hospitals

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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 1619136462, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).

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
6
Unchanged
Pos 3
1
Doubled → 2
Pos 4
9
Unchanged
Pos 5
1
Doubled → 2
Pos 6
3
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
4
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
2
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 1 → 2 1 → 2 6 → 12 → 3 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 2 + 9 + 2 + 3 + 1 + 2 + 4 + 1 + 2 + 24 = 58

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

The next multiple of ten after 58 is 60. The difference is the calculated check digit.

60 - 58 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1619136462.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Ophthalmology
300 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Physical Therapist
300 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Speech-Language Pathologist
300 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Occupational Therapist
300 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Speech-Language Pathologist
300 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Physical Therapist
300 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Physical Therapist
300 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Speech-Language Pathologist
300 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Physical Therapist
300 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Dietitian, Registered
300 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Occupational Therapist
300 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Physical Therapist
300 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Occupational Therapist
300 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Otolaryngology
300 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Respiratory Therapist, Registered (Pulmonary Rehabilitation)
300 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Dietitian, Registered
300 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Emergency Medicine
300 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Family Medicine
300 UNIVERSITY BLVD, BAYLOR SCOTT & WHITE MEDICAL CENTER
ROUND ROCK, TX 78665
Physical Therapist
300 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Dietitian, Registered
300 UNIVERSITY BLVD
ROUND ROCK, TX 78665

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1619136462, enumerated as an "individual" on June 06, 2008.

The provider is located at 300 UNIVERSITY BLVD ROUND ROCK, TX 78665 and the phone number is (512) 509-0100.

Internal Medicine with taxonomy code 207R00000X.

The provider might be accepting Accepts: Blue Cross and Blue Shield of Texas and WellPoint. Please consult your insurance carrier or call the provider to verify.

Christopher Farmer is affiliated with: ADVENTHEALTH ROLLINS BROOK.