Dr. Garrett Clark, DO

  • Erie, PA
  • Internist
NPI1063677524
Medicare services, 2020
34
Part D claims, 2024
111
Hospital affiliations
1
Industry payments
$1,592
State license
1
Practice address
135 East 38th Street, Erie, PA 16504
Practice phone
Call (814) 860-2576
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Erie VA Medical Center

Hospital · Erie, Pennsylvania

See all 1 affiliations

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Dr. Garrett Clark is an internist in Erie, Pennsylvania

Dr. Clark practices at Erie VA Medical Center in Erie, Pennsylvania, part of Veterans Health Administration.

Dr. Clark's NPI, 1063677524, was assigned on July 24, 2008. Dr. Clark graduated from Lake Erie College of Osteopathic Medicine - Seton Hill in 2006. Dr. Clark holds Pennsylvania license OS014422.

NPI and contact details
NPI enumeration date
July 24, 2008
NPI status
Active
Practice phone
(814) 860-2576
Professional email
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Personal email
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Mobile number
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Sex
Male
Medical school graduation
2006

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. Garrett Clark practices at Erie VA Medical Center in Erie, Pennsylvania

Dr. Clark's primary practice is Erie VA Medical Center, at 135 East 38th Street, Erie, PA 16504 in Erie County. The practice phone is (814) 860-2576.

Source: Dmand AI Affiliation Data

Dr. Garrett Clark is affiliated with 1 site of care

Dr. Clark's primary practice is Erie VA Medical Center in Erie, Pennsylvania, part of Veterans Health Administration. Dr. Clark's employer is on file too: a hospital.

See Dr. Clark's affiliation in Dmand AI

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Garrett Clark's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Clark practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Erie VA Medical CenterAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Garrett Clark is one of 5,665 internists in Pennsylvania

Internal medicine is Dr. Clark's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Clark is licensed in Pennsylvania.

Specialties and state licenses

  • Internal medicine, PennsylvaniaPrimaryLicense OS014422 · taxonomy 207R00000X

Internists near Dr. Clark

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Garrett Clark billed Medicare for 34 services in 2020

CMS data shows 34 Medicare services from Dr. Clark across 1 procedure code in 2020, all of them office visits. Medicare paid $1,721 for them. Every service was in an office.

Medicare services, 202034
Paid by Medicare$1,721
Procedure codes1

Dr. Clark's Medicare services by type, 2019 to 2020

  • 2019
  • 2020
Office and hospital visits
2019: 1762020: 3481%

Dr. Clark compared with the Pennsylvania median for internists, 2020

  • Dr. Clark
  • Pennsylvania median
Medicare services
34vs 41792% below
Part D claims
70vs 22469% below

Medians across 5,518 internists in Pennsylvania with Dmand AI profiles that report each measure.

Dr. Clark's most billed Medicare procedure codes, 2020

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Garrett Clark's patients have a median age of 69

Across all payers, Dmand AI patient panel data puts Dr. Clark's median patient age at 69, with 42% women.

Dr. Clark's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women42%
  • Men58%

Source: Dmand AI Patient Panel Data

Dr. Garrett Clark wrote 111 Medicare Part D claims in 2024

In 2024, Dr. Clark wrote 111 Medicare Part D claims. 100% of them were for generic drugs. CMS names the drug for 70 of them, across 5 drugs with 11 or more claims each, at $558 in total drug cost. In 2023, CMS named 29 claims across 2 drugs.

Part D claims, 2024111
Drugs named by CMS5
Total drug cost$558

Dr. Clark's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 292024: 70141%

Drugs named by CMS: 5 in 2024, 2 in 2023.

See all prescribing by Dr. Clark

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Dr. Garrett Clark received $1,592 in industry payments from 2016 to 2025

CMS Open Payments shows 85 general payments to Dr. Clark from 24 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $423.

General payments to Dr. Clark by program year, 2016 to 2025

Companies that paid Dr. Clark the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Clark

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Garrett Clark graduated from Lake Erie College of Osteopathic Medicine - Seton Hill

Dr. Clark graduated from Lake Erie College of Osteopathic Medicine - Seton Hill in 2006.

  1. Medical schoolLake Erie College of Osteopathic Medicine - Seton Hill

Source: Dmand AI Professional Profile Data

Sources for Dr. Garrett Clark's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Garrett Clark

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Garrett Clark's NPI number?

Dr. Garrett Clark's NPI number is 1063677524. It was assigned on July 24, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Garrett Clark?

Dr. Garrett Clark is an internist in Erie, Pennsylvania. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Garrett Clark practice?

Dr. Clark practices at 135 East 38th Street, Erie, PA 16504. Dr. Clark's primary practice is Erie VA Medical Center in Erie, Pennsylvania, part of Veterans Health Administration.

What is Dr. Garrett Clark's office phone number?

The practice phone on file for Dr. Clark is (814) 860-2576.

What is Dr. Garrett Clark's medical license number?

Dr. Clark holds Pennsylvania license OS014422.

Which hospitals is Dr. Garrett Clark affiliated with?

Dr. Clark practices at Erie VA Medical Center in Erie, Pennsylvania.

Does Dr. Garrett Clark accept Medicare?

Yes. CMS data shows Dr. Clark billed Medicare for 34 services in 2020.

What services does Dr. Garrett Clark bill to Medicare?

In 2020, Dr. Clark's most billed Medicare services were office visit, established patient (99213).

Where did Dr. Garrett Clark go to medical school?

Dr. Clark graduated from Lake Erie College of Osteopathic Medicine - Seton Hill in 2006.

What drugs does Dr. Garrett Clark prescribe most?

In 2024 Medicare Part D data, Dr. Clark's most prescribed drugs by claims were Metformin HCl, Simvastatin and Donepezil HCl.

Has Dr. Garrett Clark received payments from drug or device companies?

CMS Open Payments shows $1,592 in general payments to Dr. Clark from 24 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. Garrett Clark been practicing?

Dr. Clark graduated from medical school in 2006, 20 years ago.

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