Janet L. Alcorn, PT
Physical Therapist · Gaithersburg, MD
Janet L. Alcorn, PT is a physical therapist with a practice address in Gaithersburg, Maryland, and NPI 1780754549, issued on Nov 9, 2006. Check the license (Maryland 16507, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Janet L. Alcorn
- Credential
- PT
- Primary taxonomy
- Physical Therapist 225100000X
- License number
- 16507 MD
Self-reported in NPPES; status is on the state search - Practice location
- 655 Watkins Mill RD, Gaithersburg, MD 20879
- Phone
- (240) 632-4000
- Enumerated
- Nov 9, 2006
- Record last updated
- May 28, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110512000737); accepts Medicare assignment
- Medical or professional school
- University Of Connecticut School Of Medicine, 1985
- Entity
- Type 1 · individual
8 nearest physical therapist records → All 6,177 in Maryland → Look up another NPI →
Also registered at 655 Watkins Mill RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kathleen AdeshogaInternal Medicine Physician1184360257
- Seema Agrawal, RDNutritionist1770615627
- Danso Ako-Adjei, MDDermatology Physician1205248853
Verify Janet L. Alcorn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 16507Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Kaiser Foundation Health Plan OF The Mid Atlantic States, IncLargo, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Janet L. Alcorn among 6,177 physical therapist records in Maryland
Janet L. Alcorn, PT is one of 6,177 physical therapist records with a practice address in Maryland. 36% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 85% newer
- In a Medicare fileYes · 36% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated1985 · median 2015 among the 2,359 with a school on file
- Record last updated2021 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225100000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
72 physical therapist records list a practice address in Gaithersburg
They are 72 of the 2,580 NPPES records with a practice address in Gaithersburg, and 6,177 physical therapist records in Maryland.
All 6,177 in Maryland → Every provider in Gaithersburg → Physical Therapist nationwide →
The 8 physical therapist records with the nearest ZIP codes
- Julianne BorkGaithersburg, MD 208791912896200
- Danita Daniels-Holden, PTGaithersburg, MD 208791649460973
- Sherri Dela CruzGaithersburg, MD 208791437981313
- Sophie DengGaithersburg, MD 208791285719815
- Alan HuangGaithersburg, MD 208791952702789
- Brianna LopezGaithersburg, MD 208791225870579
- Kevin Murphy, PTGaithersburg, MD 208791770733495
- Kareen Newvillamor, PTGaithersburg, MD 208791548510654
Common questions
What is Janet L. Alcorn, PT's NPI number?
Janet L. Alcorn, PT's National Provider Identifier (NPI) is 1780754549, issued on Nov 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Janet L. Alcorn, PT located?
The NPPES record lists a practice address at 655 Watkins Mill RD, Gaithersburg, MD, 20879. Phone: (240) 632-4000. Providers update this record themselves, so call before visiting.
How can I verify Janet L. Alcorn, PT's license?
NPPES lists Maryland license number 16507, 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. 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.