Stephanie B. Carpenter, MD
Internal Medicine Physician · Prince Frederick, MD
Stephanie B. Carpenter, MD is an internal medicine physician with a practice address in Prince Frederick, Maryland, and NPI 1871754499, issued on Jun 17, 2008. Check the license (Maryland D74973, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Stephanie B. Carpenter
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- D74973 MD
01069672A IN
11014288A IN
Self-reported in NPPES; status is on the state search - Practice location
- 238 Merrimac CT, Prince Frederick, MD 20678
- Phone
- (410) 535-0892
- Enumerated
- Jun 17, 2008
- Record last updated
- Feb 2, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (410) 535-5677
- Medicaid IDs
- 599308300 MD
201029140 IN - Medicare enrollment
- Enrolled (PECOS I20130611000142); accepts Medicare assignment
- Medical or professional school
- Howard University College Of Medicine, 2008
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 238 Merrimac CT
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jacqueline Leclercq, CRNPNurse Practitioner1891126827
- Amy Szatanek, LCSWSocial Worker1699175331
- Marziyeh Viverette, FNP-BCFamily Nurse Practitioner1952856874
Verify Stephanie B. Carpenter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D74973Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
87 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 78.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Gilchrist Hospice Care IncLandover, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephanie B. Carpenter among 3,904 internal medicine physician records in Maryland
Stephanie B. Carpenter, 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 2008, is newer than 56% of them.
- NPI issued2008 · 56% of these records are older, 39% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2008 · median 2003 among the 2,445 with a school on file
- Record last updated2017 · 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).
15 internal medicine physician records list a practice address in Prince Frederick
They are 15 of the 663 NPPES records with a practice address in Prince Frederick, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Prince Frederick → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Joseph Barth, MDPrince Frederick, MD 206781164571741
- Eric Berg, M.D.Prince Frederick, MD 206781346315157
- Viplav DeogaonkarPrince Frederick, MD 206781609339050
- Ikenna Ihim, MDPrince Frederick, MD 206781679955066
- Parul Jani, M.D.Prince Frederick, MD 206781174527501
- Charles Judge, M.D.Prince Frederick, MD 206781821147489
- Jonathan Lowenthal, MDPrince Frederick, MD 206781861553711
- Nayantara Mendonca, MDPrince Frederick, MD 206781952453359
Common questions
What is Stephanie B. Carpenter, MD's NPI number?
Stephanie B. Carpenter, MD's National Provider Identifier (NPI) is 1871754499, issued on Jun 17, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Stephanie B. Carpenter, MD located?
The NPPES record lists a practice address at 238 Merrimac CT, Prince Frederick, MD, 20678. Phone: (410) 535-0892. Providers update this record themselves, so call before visiting.
How can I verify Stephanie B. Carpenter, MD's license?
NPPES lists Maryland license number D74973, 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 Stephanie B. Carpenter, MD prescribe under Medicare Part D?
In 2024, Stephanie B. Carpenter, MD had 87 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Stephanie B. Carpenter, MD's MIPS final score?
The 2023 MIPS final score is 78.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.