Dr. Peter C. Belitsos, MD

  • Towson, MD
  • Gastroenterologist
NPI1619978871
Medicare services, 2023
863
Part D claims, 2026
920
Publications
5
Industry payments
$160
Insurance carriers
2
Practice address
6701 N Charles St, Towson, MD 21204
Practice phone
Call (443) 849-2000
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Greater Baltimore Medical Center

Towson, Maryland

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Dr. Peter C. Belitsos is a gastroenterologist in Towson, Maryland

Dr. Belitsos practices at Greater Baltimore Medical Center in Towson, Maryland.

Dr. Belitsos' NPI, 1619978871, was assigned on August 9, 2005. Dr. Belitsos graduated from The Johns Hopkins University School of Medicine in 1983. Dr. Belitsos holds Maryland license D0034193.

NPI and contact details
NPI enumeration date
August 9, 2005
NPI status
Active
Practice phone
(443) 849-2000
Professional email
Get email
Personal email
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Mobile number
Get number
Sex
Male
Estimated age
69
Medical school graduation
1983

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

Dr. Peter C. Belitsos practices at Greater Baltimore Medical Center in Towson, Maryland

Dr. Belitsos' primary practice is Greater Baltimore Medical Center, at 6701 N Charles St, Towson, MD 21204 in Baltimore County. The practice phone is (443) 849-2000.

  • Greater Baltimore Medical Center
    6701 N Charles St, Towson, MD 21204 · Baltimore CountyPhone(443) 849-2000

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Peter C. Belitsos is affiliated with 1 site of care

Dr. Belitsos' primary practice is Greater Baltimore Medical Center in Towson, Maryland.

Greater Baltimore Medical CenterTowson, MarylandPrimary

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dmand AI tracks the EHR system at Dr. Peter C. Belitsos' practice

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

EHR by site
SiteEHR vendor and product
Greater Baltimore Medical CenterAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Peter C. Belitsos is one of 405 gastroenterologists in Maryland

Gastroenterology is Dr. Belitsos' primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Belitsos is board certified in gastroenterology by the American Board of Internal Medicine. Dr. Belitsos is licensed in Maryland.

Specialties and state licenses

  • Gastroenterology, MarylandPrimaryLicense D0034193 · 1986 to 2026 · taxonomy 207RG0100X

Clinical focus

Dmand AI lists acid reflux, acute gastroduodenitis, acute skin infection, adjustment disease, alzheimer's disease, aneurysm, arteritis and arthritis among the conditions Dr. Belitsos treats.

Gastroenterologists near Dr. Belitsos

Counts of gastroenterologists 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. Peter C. Belitsos billed Medicare for 863 services in 2023

CMS data shows 863 Medicare services from Dr. Belitsos across 9 procedure codes in 2023. Medicare paid $78,844 for them. Every service was in an office.

Medicare services, 2023863
Paid by Medicare$78,844
Procedure codes9

Dr. Belitsos' Medicare services by type, 2022 to 2023

  • 2022
  • 2023
Office and hospital visits
2022: 5942023: 5901%
Other services
2022: 3992023: 15461%
Surgery
2022: 1212023: 8331%
Tests and treatments
2022: 2282023: 3684%

Dr. Belitsos compared with the Maryland median for gastroenterologists, 2023

  • Dr. Belitsos
  • Maryland median
Medicare services
863vs 66829% above
Part D claims
624vs 39259% above

Medians across 396 gastroenterologists in Maryland with Dmand AI profiles that report each measure.

Dr. Belitsos' 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.

See all procedures by Dr. Belitsos

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Belitsos and other gastroenterologists in Maryland.

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

Dr. Peter C. Belitsos' patients have a median age of 71

Across all payers, Dmand AI patient panel data puts Dr. Belitsos' median patient age at 71, with 38% women.

Dr. Belitsos' 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

  • Women38%
  • Men63%

Source: Dmand AI Patient Panel Data

Dr. Peter C. Belitsos wrote 920 Medicare Part D claims in 2026

In 2026, Dr. Belitsos wrote 920 Medicare Part D claims for 153 patients. 89% of them were for generic drugs. CMS names the drug for 624 of them, across 25 drugs with 11 or more claims each, at $39,364 in total drug cost. In 2023, CMS named 1,696 claims across 52 drugs.

Part D claims, 2026920
Drugs named by CMS25
Total drug cost$39,364
Part D patients153

Dr. Belitsos' Part D claims by kind of drug, 2026

  • Generic823 claims89%
  • Brand-name and other97 claims11%

Dr. Belitsos' 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.

Drug classes CMS tracks in Dr. Belitsos' Part D claims, 2026

  • Antibiotics1%12 of 920 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1,6962024: 62463%

Drugs named by CMS: 25 in 2024, 52 in 2023.

See all prescribing by Dr. Belitsos

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

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Dr. Peter C. Belitsos has 5 publications on record

Dmand AI links 5 papers to Dr. Belitsos. The most frequent topics are Diarrhea, Duodenum and Acquired Immunodeficiency Syndrome.

Papers5

Topics Dr. Belitsos writes about most

  • Diarrhea
  • Duodenum
  • Acquired Immunodeficiency Syndrome
  • AIDS-Related Opportunistic Infections
  • Cryptosporidiosis
  • Cryptosporidium
  • Stomach

Recent publications by Dr. Belitsos

See all 5 publications and co-authors

See who Dr. Belitsos researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Belitsos works with, so you can find a warm path to the right gastroenterologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Peter C. Belitsos received $160 in industry payments from 2016 to 2022

CMS Open Payments shows 5 general payments to Dr. Belitsos from 5 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Valeant Pharmaceuticals International paid the most, $55.

General payments to Dr. Belitsos by program year, 2016 to 2022

Companies that paid Dr. Belitsos the most, 2016 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Belitsos

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

Dr. Peter C. Belitsos has 1 award and honors on record

Dmand AI lists 1 award for Dr. Belitsos, most recently ACP Fellow in 1996.

Awards and honors for Dr. Belitsos

  1. 1996
    • ACP Fellow

Source: Dmand AI Professional Profile Data

Dr. Peter C. Belitsos graduated from The Johns Hopkins University School of Medicine

Dr. Belitsos graduated from The Johns Hopkins University School of Medicine in 1983. Dr. Belitsos is a member of ACG and ACP.

  1. Medical schoolThe Johns Hopkins University School of Medicine
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Peter C. Belitsos accepts plans from 2 insurance carriers

Dr. Belitsos is in network with 2 carriers, including Blue Cross Blue Shield of Michigan and Regence Health Plans. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Michigan
  • Regence Health Plans

Plan types Dr. Belitsos accepts, by number of carriers

  1. Medicare2
  2. PPO2
  3. HMO1
  4. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Peter C. Belitsos'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice 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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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. Peter C. Belitsos

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. Peter C. Belitsos' NPI number?

Dr. Peter C. Belitsos' NPI number is 1619978871. It was assigned on August 9, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Peter C. Belitsos?

Dr. Peter C. Belitsos is a gastroenterologist in Towson, Maryland. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Peter C. Belitsos practice?

Dr. Belitsos practices at 6701 N Charles St, Towson, MD 21204. Dr. Belitsos' primary practice is Greater Baltimore Medical Center in Towson, Maryland.

What is Dr. Peter C. Belitsos' office phone number?

The practice phone on file for Dr. Belitsos is (443) 849-2000. Dmand AI also checks direct phone and mobile numbers, available with a free account.

What is Dr. Peter C. Belitsos' email address?

Dmand AI checks professional and personal email addresses for Dr. Belitsos through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.

What is Dr. Peter C. Belitsos' medical license number?

Dr. Belitsos holds Maryland license D0034193.

Does Dr. Peter C. Belitsos accept Medicare?

Yes. CMS data shows Dr. Belitsos billed Medicare for 863 services in 2023.

Is Dr. Peter C. Belitsos board certified?

Yes. Dr. Belitsos is board certified in gastroenterology by the American Board of Internal Medicine.

What services does Dr. Peter C. Belitsos bill to Medicare?

In 2023, Dr. Belitsos' most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99215).

Where did Dr. Peter C. Belitsos go to medical school?

Dr. Belitsos graduated from The Johns Hopkins University School of Medicine in 1983.

Show 6 more questionsShow fewer questions

What drugs does Dr. Peter C. Belitsos prescribe most?

In 2024 Medicare Part D data, Dr. Belitsos' most prescribed drugs by claims were Levothyroxine Sodium, Atorvastatin Calcium and Amlodipine Besylate.

Has Dr. Peter C. Belitsos received payments from drug or device companies?

CMS Open Payments shows $160 in general payments to Dr. Belitsos from 5 companies from 2016 to 2022. The largest total came from Valeant Pharmaceuticals International.

How long has Dr. Peter C. Belitsos been practicing?

Dr. Belitsos graduated from medical school in 1983, 43 years ago.

Does Dr. Peter C. Belitsos do research?

Dmand AI links 5 publications to Dr. Belitsos.

What EHR does Dr. Peter C. Belitsos' practice use?

Dmand AI tracks the EHR system at Greater Baltimore Medical Center. The vendor and product are available with a free Dmand AI account.

What insurance does Dr. Peter C. Belitsos accept?

Dr. Belitsos is in network with 2 carriers, including Blue Cross Blue Shield of Michigan and Regence Health Plans. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

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