Judith Callen, PA-C
NPI 1689691032 · Physician Assistant · Baltimore, MD
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Judith Callen, PA-C is a Physician Assistant provider in Baltimore, MD (NPI 1689691032).
Provider details
- NPI number
- 1689691032
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- C0002613 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
99 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 56 | $114 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 25 | $80 |
| Telephone Medical Discussion With Physician, 5-10 Minutes99441 | 18 | $50 |
Typical Medicare-allowed amounts for these services range $50–$114 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 80 | 23 |
| Morphine Sulfatebrand: Morphine Sulfate Er | 46 | — |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 38 | — |
| Meloxicam | 29 | — |
| Cyclobenzaprine Hcl | 22 | 13 |
| Oxycodone Hcl | 19 | — |
| Tizanidine Hcl | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-15
- Last updated
- 2015-11-17
Frequently asked questions
- What is Judith Callen's NPI number?
- Judith Callen's National Provider Identifier (NPI) is 1689691032, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Judith Callen's specialty?
- Judith Callen is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Judith Callen located?
- Judith Callen's practice location on file with NPPES is 201 E University Pkwy, Baltimore, MD 21218-2829.
- What is Judith Callen's phone number?
- The practice phone number listed in the NPPES registry for Judith Callen is (410) 554-6497.
- Does Judith Callen accept Medicare?
- Judith Callen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Judith Callen's NPI active?
- Yes — Judith Callen's NPI (1689691032) is active in the NPPES registry as of the last update on 2015-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.