NPPES file of Aug 9, 2026

John Peter Serlemitsos, MD

Internal Medicine Physician · Crownsville, MD

John Peter Serlemitsos, MD is an internal medicine physician with a practice address in Crownsville, Maryland, and NPI 1861405367, issued on Aug 14, 2006. Check the license (Maryland D0032654, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1861405367
Name
John Peter Serlemitsos
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
D0032654 MD
Self-reported in NPPES; status is on the state search
Practice location
2033 Penderbrooke Dr, Crownsville, MD 21032
Phone
(443) 790-2689
Enumerated
Aug 14, 2006
Record last updated
Oct 31, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(443) 292-8296
Medicaid ID
557101400 MD
Medicare enrollment
Enrolled (PECOS I20071127000812); accepts Medicare assignment
Medical or professional school
University Of Maryland School Of Medicine, 1984
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify John Peter Serlemitsos in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0032654
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maryland license search

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32% more Medicare Part D claims than the average internal medicine physician in 2024

4,187 Medicare Part D claims for 100 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 36 claims were for opioids.

  1. John Serlemitsos4,187
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium306 claims
  2. Amlodipine Besylate254 claims
  3. Levothyroxine Sodium139 claims
  4. Mirtazapine123 claims
  5. Donepezil Hcl116 claims
  6. Memantine Hcl114 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

John Peter Serlemitsos among 3,904 internal medicine physician records in Maryland

John Peter Serlemitsos, MD is one of 3,904 internal medicine physician records with a practice address in Maryland. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 55% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1984 · median 2003 among the 2,445 with a school on file
  • Record last updated2011 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

3 internal medicine physician records list a practice address in Crownsville

They are 3 of the 82 NPPES records with a practice address in Crownsville, and 3,904 internal medicine physician records in Maryland.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Mary Bracken, MDCrownsville, MD 210321841498680
  2. Robert Stern, MDCrownsville, MD 210321063425320
  3. Charles Eck, MDHunt Valley, MD 210311518939743
  4. Mark Lamos, M.D.Hunt Valley, MD 210311295782241
  5. Samantha Ober, M.D.Hunt Valley, MD 210311235524034
  6. Cyrus Asadi, D.O.Cockeysville, MD 210301518048230
  7. Annie Bishai, M.D.Hunt Valley, MD 210301164666897
  8. Barbara Carroll, M.D.Cockeysville, MD 210301194714006

Common questions

What is John Peter Serlemitsos, MD's NPI number?

John Peter Serlemitsos, MD's National Provider Identifier (NPI) is 1861405367, issued on Aug 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Peter Serlemitsos, MD located?

The NPPES record lists a practice address at 2033 Penderbrooke Dr, Crownsville, MD, 21032. Phone: (443) 790-2689. Providers update this record themselves, so call before visiting.

How can I verify John Peter Serlemitsos, MD's license?

NPPES lists Maryland license number D0032654, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John Peter Serlemitsos, MD prescribe under Medicare Part D?

In 2024, John Peter Serlemitsos, MD had 4,187 Medicare Part D claims for 100 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.