Douglas S. Ahn, DPT
Physical Therapist · College Park, MD
Douglas S. Ahn, DPT is a physical therapist with a practice address in College Park, Maryland, and NPI 1841569050, issued on Dec 16, 2011. Check the license (Maryland 23906, as entered in NPPES) with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Douglas S. Ahn
- Credential
- DPT
- Primary taxonomy
- Physical Therapist 225100000X
- License number
- 23906 MD
Self-reported in NPPES; status is on the state search - Practice location
- 4321 Hartwick RD, College Park, MD 20740
- Phone
- (301) 277-6616
- Enumerated
- Dec 16, 2011
- Record last updated
- Dec 16, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (301) 277-6618
- Entity
- Type 1 · individual
Also registered at 4321 Hartwick RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicholas Bell, PTPhysical Therapist1295275659
- Conrad Carter, DPTPhysical Therapist1831524362
- Scott Ellis, MS, ATCAthletic Trainer1033142880
- Uchenna NdubisiPhysical Therapist1851641575
- Chinedu Onyeji, DPTPhysical Therapist1740563188
- Eric Schuettenberg, DPTPhysical Therapist1467851295
Verify Douglas S. Ahn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 23906Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22 physical therapist records list a practice address in College Park
They are 22 of the 492 NPPES records with a practice address in College Park, and 6,177 physical therapist records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 22 in College Park → All 6,177 in Maryland → Every provider in College Park →
Other physical therapist records in Maryland
- Rachelle Vera Abante, PTBaltimore, MD1881138931
- Donald Abaria, PHYSICAL THERAPISTLutherville Timonium, MD1114049038
- Aderonke M Abassi, PHYSICAL THERAPISTForestville, MD1619458122
- Eirika Abbey, PT, DPTBaltimore, MD1346718046
- Nisrin Abdel RahmanColumbia, MD1386165231
- Ibrahim Abdullah, D.P.T.Baltimore, MD1104088368
- Aneyza Abdulsani, P.T.Pasadena, MD1568765071
- Ian Tristan AbedejosSilver Spring, MD1861973315
- Heather Abel, MSPTBaltimore, MD1306968813
- Dan Abellanosa, P.T.Randallstown, MD1992074504
Common questions
What is Douglas S. Ahn, DPT's NPI number?
Douglas S. Ahn, DPT's National Provider Identifier (NPI) is 1841569050, issued on Dec 16, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Douglas S. Ahn, DPT located?
The NPPES record lists a practice address at 4321 Hartwick RD, College Park, MD, 20740. Phone: (301) 277-6616. Providers update this record themselves, so call before visiting.
How can I verify Douglas S. Ahn, DPT's license?
NPPES lists Maryland license number 23906, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity 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. 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.