NPPES file of Aug 9, 2026

Sangwoon Han, M.D.

Psychiatry Physician · Frederick, MD

Sangwoon Han, M.D. is a psychiatry physician with a practice address in Frederick, Maryland, and NPI 1477542181, issued on Oct 14, 2005. Check the license (Maryland D35524, 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
1477542181
Name
Sangwoon Han
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
D35524 MD
Self-reported in NPPES; status is on the state search
Practice location
350 Montevue LN, Frederick, MD 21702
Phone
(301) 694-1029
Enumerated
Oct 14, 2005
Record last updated
Jul 13, 2026
Fax
(301) 631-3111
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest psychiatry physician records → All 1,451 in Maryland → Look up another NPI →

Also registered at 350 Montevue LN

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Fredrick Balius, M.S.W., LCSW-CClinical Social Worker1225027139
  2. Eva Beavan, MSW, LCSW-CClinical Social Worker1194806927
  3. Stacy Benner, PTPhysical Therapist1104390962
  4. Sylvia Bennett, CRNPObstetrics & Gynecology Nurse Practitioner1740279413
  5. Linda BoydSpeech-Language Pathologist1801363585
  6. Barbara Brookmyer, M.D.Family Medicine Physician1548259203

Verify Sangwoon Han in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D35524    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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97% fewer Medicare Part D claims than the average psychiatry physician in 2024

31 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Sangwoon Han31
  2. Specialty average1,000

Most prescribed

  1. Buspirone Hcl12 claims
  2. Citalopram Hbr12 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.

Sangwoon Han among 1,451 psychiatry physician records in Maryland

Sangwoon Han, M.D. is one of 1,451 psychiatry physician records with a practice address in Maryland. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 94% newer
  • In a Medicare fileYes · 63% of these records are
  • In the CMS Doctors and Clinicians fileNo · 36% of these records are
  • Record last updated2026 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in Maryland

There are 1,451 psychiatry physician records in Maryland.

All 1,451 in Maryland → Every provider in Frederick → Psychiatry Physician nationwide →

The 8 psychiatry physician records with the nearest ZIP codes

  1. Larry Edelstein, M.D.Frederick, MD 217021841302460
  2. Aurangzeb Khan, M.D.Frederick, MD 217021689676959
  3. Allan Levy, M.D.Frederick, MD 217021437152733
  4. Jeffrey Mendell, M.D.Frederick, MD 217021760661854
  5. Jane Terry, M.D.Frederick, MD 217021861481632
  6. Lawrence Costello, M.D.Frederick, MD 217011689678260
  7. Angela Dumitrache, M.D.Frederick, MD 217031245238328
  8. Thomas Goldman, MDFrederick, MD 217031164578068

Common questions

What is Sangwoon Han, M.D.'s NPI number?

Sangwoon Han, M.D.'s National Provider Identifier (NPI) is 1477542181, issued on Oct 14, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Sangwoon Han, M.D. located?

The NPPES record lists a practice address at 350 Montevue LN, Frederick, MD, 21702. Phone: (301) 694-1029. Providers update this record themselves, so call before visiting.

How can I verify Sangwoon Han, M.D.'s license?

NPPES lists Maryland license number D35524, 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 Sangwoon Han, M.D. prescribe under Medicare Part D?

In 2024, Sangwoon Han, M.D. had 31 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.