Sang Wook An, M.D.
Internal Medicine Physician · Baltimore, MD
Sang Wook An, M.D. is an internal medicine physician with a practice address in Baltimore, Maryland, and NPI 1033437017, issued on May 14, 2010. Check the license (Maryland D0075745, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Sang Wook An
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D0075745 MD
Self-reported in NPPES; status is on the state search - Practice location
- 7602 Belair RD, Baltimore, MD 21236
- Phone
- (410) 663-8100
- Enumerated
- May 14, 2010
- Record last updated
- Jun 21, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (410) 663-8119
- Medicare enrollment
- Enrolled (PECOS I20130913000590); accepts Medicare assignment
- Medical or professional school
- Temple University School Of Medicine, 2010
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 7602 Belair RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kathryn Gossard, CRNPFamily Nurse Practitioner1851179246
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- Brian Kahn, MDCardiovascular Disease Physician1609879907
- Lana Kim, CRNPAdult Health Nurse Practitioner1376952184
Verify Sang Wook An in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0075745Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average internal medicine physician in 2024
8,395 Medicare Part D claims for 575 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 24 claims were for opioids.
Most prescribed
- Atorvastatin Calcium882 claims
- Amlodipine Besylate512 claims
- Losartan Potassium318 claims
- Lisinopril309 claims
- Pantoprazole Sodium292 claims
- Fluticasone Propionate274 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 MIPS final score for 2023 (Medicare payment program): 92.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Maryland Family Care IncBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sang Wook An among 3,904 internal medicine physician records in Maryland
Sang Wook An, M.D. 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 2010, is newer than 64% of them.
- NPI issued2010 · 64% of these records are older, 33% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2010 · median 2003 among the 2,445 with a school on file
- Record last updated2013 · 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).
1,278 internal medicine physician records list a practice address in Baltimore
They are 1,278 of the 35,183 NPPES records with a practice address in Baltimore, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Baltimore → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Charurope Apibunyopas, MDBaltimore, MD 212361326004417
- Steven Bentman, MDBaltimore, MD 212361861431280
- Naomi Cutler, M.D.Baltimore, MD 212361003843020
- Fernando Ferro, M.D.Baltimore, MD 212361245297258
- Marion Kowalewski, M.D.Baltimore, MD 212361538126461
- Lo An Lai, MDBaltimore, MD 212361205875523
- Alice Lee, M.D.Baltimore, MD 212361710925854
- Keith Lee, MDBaltimore, MD 212361750321014
Common questions
What is Sang Wook An, M.D.'s NPI number?
Sang Wook An, M.D.'s National Provider Identifier (NPI) is 1033437017, issued on May 14, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Sang Wook An, M.D. located?
The NPPES record lists a practice address at 7602 Belair RD, Baltimore, MD, 21236. Phone: (410) 663-8100. Providers update this record themselves, so call before visiting.
How can I verify Sang Wook An, M.D.'s license?
NPPES lists Maryland license number D0075745, 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 Sang Wook An, M.D. prescribe under Medicare Part D?
In 2024, Sang Wook An, M.D. had 8,395 Medicare Part D claims for 575 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Sang Wook An, M.D.'s MIPS final score?
The 2023 MIPS final score is 92.6 of 100. 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.