Dr. Matthew Gary Petersen, MD
- Medicare services, 2023
- 363
- Part D claims, 2022
- 12
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 900 23rd St NW, Washington, DC 20037
- Practice phone
- Call (202) 716-4605
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Petersen's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Matthew Gary Petersen is an internist in Washington, District of Columbia
Dr. Petersen practices at The George Washington University Hospital in Washington, District of Columbia, part of Universal Health Services.
Dr. Petersen's NPI, 1629565767, was assigned on April 14, 2018. Dr. Petersen graduated from University of Utah School of Medicine in 2018. Dr. Petersen holds District of Columbia license MD049069.
- NPI
- 1629565767NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5799192845
- NPI enumeration date
- April 14, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (202) 716-4605
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Matthew Gary Petersen practices at The George Washington University Hospital in Washington, District of Columbia
Dr. Petersen's primary practice is The George Washington University Hospital, at 900 23rd St NW, Washington, DC 20037 in The District County. The practice phone is (202) 716-4605.
- The George Washington University Hospital900 23rd St NW, Washington, DC 20037 · The District CountyPhone(202) 716-4605
Source: Dmand AI Affiliation Data
Dr. Matthew Gary Petersen is affiliated with 2 sites of care and 1 medical group
Dr. Petersen's primary practice is The George Washington University Hospital in Washington, District of Columbia, part of Universal Health Services. The medical group on file is The GW Medical Faculty Associates. Dmand AI also links Dr. Petersen to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Matthew Gary Petersen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Petersen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The George Washington University Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Matthew Gary Petersen is one of 660 internists in District of Columbia
Internal medicine is Dr. Petersen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Petersen is licensed in District of Columbia.
Specialties and state licenses
- Internal medicine, District of ColumbiaPrimary
Internists near Dr. Petersen
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. Matthew Gary Petersen billed Medicare for 363 services in 2023
CMS data shows 363 Medicare services from Dr. Petersen across 7 procedure codes in 2023. Medicare paid $29,564 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Petersen's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 3252023: 36312%
Dr. Petersen compared with the District of Columbia median for internists, 2023
- Dr. Petersen
- District of Columbia median
- Medicare services
- 363vs 354Close to median
- Part D claims
- 12vs 11089% below
Medians across 591 internists in District of Columbia with Dmand AI profiles that report each measure.
Dr. Petersen's most billed Medicare procedure codes, 2023
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Petersen and other internists in District of Columbia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Matthew Gary Petersen's patients have a median age of 71
Across all payers, Dmand AI patient panel data puts Dr. Petersen's median patient age at 71, with 58% women.
Dr. Petersen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women58%
- Men42%
Source: Dmand AI Patient Panel Data
Dr. Matthew Gary Petersen wrote 12 Medicare Part D claims in 2022
In 2022, Dr. Petersen wrote 12 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $38 in total drug cost. In 2021, CMS named 22 claims across 2 drugs.
Dr. Petersen's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 222022: 1245%
Drugs named by CMS: 1 in 2022, 2 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Matthew Gary Petersen takes part in Medicare
Dr. Petersen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Matthew Gary Petersen graduated from University of Utah School of Medicine
Dr. Petersen graduated from University of Utah School of Medicine in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Matthew Gary Petersen's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Matthew Gary Petersen
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. Matthew Gary Petersen's NPI number?
Dr. Matthew Gary Petersen's NPI number is 1629565767. It was assigned on April 14, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Matthew Gary Petersen?
Dr. Matthew Gary Petersen is an internist in Washington, District of Columbia. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Matthew Gary Petersen practice?
Dr. Petersen practices at 900 23rd St NW, Washington, DC 20037. Dr. Petersen's primary practice is The George Washington University Hospital in Washington, District of Columbia, part of Universal Health Services. Dmand AI also links Dr. Petersen to 1 group practice or clinic.
What is Dr. Matthew Gary Petersen's office phone number?
The practice phone on file for Dr. Petersen is (202) 716-4605.
What is Dr. Matthew Gary Petersen's medical license number?
Dr. Petersen holds District of Columbia license MD049069.
Which hospitals is Dr. Matthew Gary Petersen affiliated with?
Dr. Petersen practices at The George Washington University Hospital in Washington, District of Columbia.
What medical group is Dr. Matthew Gary Petersen part of?
Dr. Petersen is linked to The GW Medical Faculty Associates.
Does Dr. Matthew Gary Petersen accept Medicare?
Yes. CMS data shows Dr. Petersen billed Medicare for 363 services in 2023, and Dr. Petersen accepts Medicare assignment.
What services does Dr. Matthew Gary Petersen bill to Medicare?
In 2023, Dr. Petersen's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99231).
Where did Dr. Matthew Gary Petersen go to medical school?
Dr. Petersen graduated from University of Utah School of Medicine in 2018.
What drugs does Dr. Matthew Gary Petersen prescribe most?
In 2022 Medicare Part D data, Dr. Petersen's most prescribed drugs by claims were Losartan Potassium.
How long has Dr. Matthew Gary Petersen been practicing?
Dr. Petersen graduated from medical school in 2018, 8 years ago.
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