JENNIFER LYNN GRAY M.D.
NPI 1841494465
Hospitalist in Denver, CO

NPI Status: Active since June 14, 2007

Contact Information

835 E 18TH AVE STE 110
DENVER, CO
ZIP 80218
Phone: (303) 825-4646
Fax: (303) 825-3215

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NPPES record last updated: October 10, 2022. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Oct 10, 2022, Aug 10, 2018, Nov 1, 2017 and 1 more (4 updates tracked since 2016).

  • Individual
  • Female
  • Hospitalist
  • PECOS Enrolled
  • Opted-Out Medicare

About JENNIFER GRAY

This page provides the complete NPI Profile along with additional information for Jennifer Gray, a provider established in Denver, Colorado with a medical specialization in Hospitalist. The healthcare provider is registered in the NPI registry with number 1841494465 assigned on June 2007. The practitioner's primary taxonomy code is 208M00000X with license number 01069712A (IN). The provider is registered as an individual and her NPI record was last updated 4 years ago.

NPI
1841494465
Provider Name
JENNIFER LYNN GRAY M.D.
Other Name
JENNIFER LYNN KOVAL M.D.
Other Name Type
Former Name (1)
Gender
Female
Entity Type
Individual
Location Address
835 E 18TH AVE STE 110 DENVER, CO 80218
Location Phone
(303) 825-4646
Location Fax
(303) 825-3215
Mailing Address
835 E 18TH AVE STE 110 DENVER, CO 80218
Mailing Phone
(303) 825-4646
Mailing Fax
(303) 825-3215
Is Sole Proprietor?
No
Enumeration Date
06-14-2007
Last Update Date
10-10-2022
Code Navigator



The provider doesn't accept Medicare and has signed an affidavit to be excluded from the Medicare program. If you are a Medicare beneficiary this means a provider can charge whatever they want for services rendered but must follow certain rules to do so. Jennifer Gray opted out of Medicare effective on 06-09-2025 until 06-09-2027. Opt out periods last for two years and cannot be terminated unless the provider is opting out for the very first time and the affidavit is terminated no later than 90 days after the opt out effective date. Opt-out affidavits might renew automatically renew every two years. The provider opted out of Medicare but is permitted to order and refer services to other healthcare providers.

Location Map

Secondary Locations

  • 14300 Orchard Pkwy
    Westminster, CO 80023
    (720) 627-4200

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

Hospitalist

Taxonomy Code
208M00000X
Type
Allopathic & Osteopathic Physicians
License No.
01069712A
License State
IN
Taxonomy Description
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

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)
1207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

01069712A (IN)
2207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

DR.0053894 (CO)

Insurance Plans Accepted

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

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
201027670MEDICAID (05)IN 

Medicare Participation & PECOS Enrollment Status

Jennifer Gray 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

  • Opted-Out of Medicare? Yes

  • Opt-Out Effective Date: 06-09-2025

  • Opt-Out End Date: 06-09-2027

  • Eligible to Order and Refer? Yes

  • 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.

Administration of influenza virus vaccine

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

This service was performed 18 times for 17 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 48 times for 48 patients

Assessment of emotional or behavioral problems

Assessment of emotional or behavioral problems involves a thorough evaluation of your feelings, thoughts, and behaviors. It's a process where professionals study patterns over time to identify potential issues like anxiety, depression, or other mental health conditions.

This service was performed 84 times for 53 patients

Automated urinalysis test

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

This service was performed 23 times for 15 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more

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 317 times for 134 patients

Influenza vaccine, inactivated

The Influenza vaccine, inactivated, is a shot given to protect against the flu. It contains killed virus particles that help your body build immunity to the flu. It's recommended annually to keep your protection up-to-date. It's safe for ages 6 months and up.

This service was performed 16 times for 16 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

This service was performed 55 times for 55 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

This service was performed 12 times for 12 patients

Physician Visit Costs

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 80218 ZIP code area.

New Patients Visit Costs *

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

  • Average New Patient Price $132.55
  • Minimum New Patient Price $58.06
  • Maximum New Patient Price $174.82
  • Average New Patient Copayment $33.13
  • Minimum New Patient Copayment $14.51
  • Maximum New Patient Copayment $43.7

Established Patients Visit Costs *

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

  • Average Established Patient Price $102.03
  • Minimum Established Patient Price $18.88
  • Maximum Established Patient Price $142.79
  • Average Established Patient Copayment $25.5
  • Minimum Established Patient Copayment $4.72
  • Maximum Established Patient Copayment $35.69

* 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.

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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 1841494465, 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 75. The final step is to find the difference between that total and the next multiple of ten (80 - 75 = 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
8
Unchanged
Pos 3
4
Doubled → 8
Pos 4
1
Unchanged
Pos 5
4
Doubled → 8
Pos 6
9
Unchanged
Pos 7
4
Doubled → 8
Pos 8
4
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
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 4 → 8 4 → 8 4 → 8 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 8 + 1 + 8 + 9 + 8 + 4 + 1 + 2 + 24 = 75

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

The next multiple of ten after 75 is 80. The difference is the calculated check digit.

80 - 75 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1841494465.

Other Providers at the Same Location


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

Hospitalist
835 E 18TH AVE STE 110
DENVER, CO 80218
Hospitalist
835 E 18TH AVE STE 110
DENVER, CO 80218
Hospitalist
835 E 18TH AVE STE 110
DENVER, CO 80218
Hospitalist
835 E 18TH AVE STE 110
DENVER, CO 80218
Hospitalist
835 E 18TH AVE STE 110
DENVER, CO 80218
Hospitalist
835 E 18TH AVE STE 110
DENVER, CO 80218
Hospitalist
835 E 18TH AVE STE 110
DENVER, CO 80218
Hospitalist
835 E 18TH AVE STE 110
DENVER, CO 80218
Hospitalist
835 E 18TH AVE STE 110
DENVER, CO 80218
Hospitalist
835 E 18TH AVE STE 110
DENVER, CO 80218
Hospitalist
835 E 18TH AVE STE 110
DENVER, CO 80218
Internal Medicine
835 E 18TH AVE STE 110
DENVER, CO 80218
Hospitalist
835 E 18TH AVE STE 110
DENVER, CO 80218
Hospitalist
835 E 18TH AVE STE 110
DENVER, CO 80218
Hospitalist
835 E 18TH AVE STE 110
DENVER, CO 80218
Hospitalist
835 E 18TH AVE STE 110
DENVER, CO 80218
Hospitalist
835 E 18TH AVE STE 110
DENVER, CO 80218
Hospitalist
835 E 18TH AVE STE 110
DENVER, CO 80218
Hospitalist
835 E 18TH AVE STE 110
DENVER, CO 80218
Hospitalist
835 E 18TH AVE STE 110
DENVER, CO 80218

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1841494465, enumerated as an "individual" on June 14, 2007.

The provider is located at 835 E 18TH AVE STE 110 DENVER, CO 80218 and the phone number is (303) 825-4646.

Hospitalist with taxonomy code 208M00000X.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.