Joseph Barth, MD
Internal Medicine Physician · Prince Frederick, MD
Joseph Barth, MD is an internal medicine physician with a practice address in Prince Frederick, Maryland, and NPI 1164571741, issued on Jan 10, 2007. Check the license (Maryland D52242, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Joseph Barth
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D52242 MD
Self-reported in NPPES; status is on the state search - Practice location
- 110 Hospital RD Ste 310, Prince Frederick, MD 20678
- Phone
- (410) 535-2005
- Enumerated
- Jan 10, 2007
- Entity
- Type 1 · individual
Also registered at 110 Hospital RD Ste 310
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elaine Cira, CRNP-FFamily Nurse Practitioner1366597734
- Waseema Dalvi, MDHospitalist Physician1427117555
- Deborah Davis, CRNPWomen's Health Nurse Practitioner1487649232
- Barbara Estes, M.D.Obstetrics & Gynecology Physician1508998816
- Hilary Ginter, MDObstetrics & Gynecology Physician1144221227
- Ashly Gray, CRNPNurse Practitioner1497381586
Verify Joseph Barth in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D52242Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
3.0 times the Medicare Part D claims of the average internal medicine physician in 2024
8,379 Medicare Part D claims for 538 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 179 claims were for opioids.
Most prescribed
- Atorvastatin Calcium618 claims
- Losartan Potassium439 claims
- Tamsulosin Hcl251 claims
- Gabapentin250 claims
- Hydrochlorothiazide250 claims
- Lisinopril245 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 Medicare quality score for 2023: 88 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).
One hospital or facility affiliation
- Calvert Internal Medicine Group, PADunkirk, MD
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
12 internal medicine physician records list a Prince Frederick practice address
They are 12 of the 663 NPPES records with a Prince Frederick practice address, and 4,220 internal medicine physician records in Maryland.
All 12 in Prince Frederick → All 4,220 in Maryland → Every provider in Prince Frederick →
Other internal medicine physician records in Maryland
- Joshua Aaron, MDElkton, MD1396703351
- Alina Aasim, M.D.Baltimore, MD1174057905
- Eduardo Abarca Rojas, M.D.Parkville, MD1538447628
- Rasheed Abassi, M.D.Clinton, MD1376608620
- Shastine Abate, MDBaltimore, MD1922199405
- Ghulam Abbas, MDFrederick, MD1477658045
- Hashim AbbasBaltimore, MD1396171070
- Shamima Abbas, MDKensington, MD1750445896
- Nourelhuda Abbas Hamed, MDSilver Spring, MD1699339473
- Arsalan Abbasi, MDWestminster, MD1942762604
Common questions
What is Joseph Barth, MD's NPI number?
Joseph Barth, MD's National Provider Identifier (NPI) is 1164571741, issued on Jan 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Barth, MD located?
The NPPES record lists a practice address at 110 Hospital RD Ste 310, Prince Frederick, MD, 20678. Phone: (410) 535-2005. Providers update this record themselves, so call before visiting.
How can I verify Joseph Barth, MD's license?
NPPES lists Maryland license number D52242, 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 Joseph Barth, MD prescribe under Medicare Part D?
In 2024, Joseph Barth, MD had 8,379 Medicare Part D claims for 538 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
What is Joseph Barth, MD's Medicare quality score?
The 2023 MIPS final score is 88 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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.