Isabel Penabad, MD
NPI 1649807363 · Rheumatology Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Isabel Penabad, MD is a Rheumatology Physician provider in Philadelphia, PA (NPI 1649807363).
Provider details
- NPI number
- 1649807363
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD489129 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 32 | — |
| Hydroxychloroquine Sulfate | 29 | 13 |
| Adalimumabbrand: Humira | 27 | — |
| Allopurinol | 17 | — |
| Mycophenolate Mofetil | 14 | — |
| Prednisone | 13 | — |
| Amlodipine Besylate | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-03-24
- Last updated
- 2026-01-27
- Certified
- 2026-01-27
Frequently asked questions
- What is Isabel Penabad's NPI number?
- Isabel Penabad's National Provider Identifier (NPI) is 1649807363, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isabel Penabad's specialty?
- Isabel Penabad is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Isabel Penabad located?
- Isabel Penabad's practice location on file with NPPES is 3401 N Broad St, Philadelphia, PA 19140-5103.
- What is Isabel Penabad's phone number?
- The practice phone number listed in the NPPES registry for Isabel Penabad is (215) 707-4600.
- Does Isabel Penabad accept Medicare?
- Isabel Penabad is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Isabel Penabad's NPI active?
- Yes — Isabel Penabad's NPI (1649807363) is active in the NPPES registry as of the last update on 2026-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.