Judith A. Callen, PA-C
Physician Assistant · Baltimore, MD
Judith A. Callen, PA-C is a physician assistant with a practice address in Baltimore, Maryland, and NPI 1689691032, issued on Jul 15, 2006. Check the license (Maryland C0002613, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Judith A. Callen
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- C0002613 MD
Self-reported in NPPES; status is on the state search - Practice location
- 201 E University Pkwy, Baltimore, MD 21218
- Phone
- (410) 554-6497
- Enumerated
- Jul 15, 2006
- Record last updated
- Nov 17, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (410) 554-6764
- Medicare enrollment
- Enrolled (PECOS I20081020000626); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,224 in Maryland → Look up another NPI →
Also registered at 201 E University Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Judith A. Callen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license C0002613Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average physician assistant in 2024
335 Medicare Part D claims for 74 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 144 claims were for opioids.
Most prescribed
- Gabapentin80 claims
- Morphine Sulfate Er46 claims
- Oxycodone-Acetaminophen38 claims
- Meloxicam29 claims
- Cyclobenzaprine Hcl22 claims
- Oxycodone Hcl19 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.
Bills Medicare through 2 group practices
- Frederick Health Hospital IncBrunswick, MD
- Medstar Medical Group II LLCGlen Burnie, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Judith A. Callen among 3,224 physician assistant records in Maryland
Judith A. Callen, PA-C is one of 3,224 physician assistant records with a practice address in Maryland. 76% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 83% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2002 · median 2017 among the 1,974 with a school on file
- Record last updated2015 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,135 physician assistant records list a practice address in Baltimore
They are 1,135 of the 35,183 NPPES records with a practice address in Baltimore, and 3,224 physician assistant records in Maryland.
All 3,224 in Maryland → Every provider in Baltimore → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Aleida Alvarez, PABaltimore, MD 212181750454146
- William Arnold, P.A.-CBaltimore, MD 212181255351359
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- Kara Cossis, PA-CBaltimore, MD 212181831281872
- Joyce Freidly, P.A.-C.Baltimore, MD 212181457421588
- Jill Glick, PABaltimore, MD 212181831139450
- Kirsten Grell, PABaltimore, MD 212181134155674
- Timothy Groves, PA-CBaltimore, MD 212181730198003
Common questions
What is Judith A. Callen, PA-C's NPI number?
Judith A. Callen, PA-C's National Provider Identifier (NPI) is 1689691032, issued on Jul 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Judith A. Callen, PA-C located?
The NPPES record lists a practice address at 201 E University Pkwy, Baltimore, MD, 21218. Phone: (410) 554-6497. Providers update this record themselves, so call before visiting.
How can I verify Judith A. Callen, PA-C's license?
NPPES lists Maryland license number C0002613, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Judith A. Callen, PA-C prescribe under Medicare Part D?
In 2024, Judith A. Callen, PA-C had 335 Medicare Part D claims for 74 beneficiaries; the average among physician assistant prescribers was 830. 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.
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.