Isabel Cristina Penabad, MD
Rheumatology Physician · Philadelphia, PA
Isabel Cristina Penabad, MD is a rheumatology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1649807363, issued on Mar 24, 2020. Check the license (Pennsylvania MD489129, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Isabel Cristina Penabad
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- MD489129 PA
Self-reported in NPPES; status is on the state search - Practice location
- 3401 N Broad St, Philadelphia, PA 19140
- Phone
- (215) 707-4600
- Enumerated
- Mar 24, 2020
- Record last updated
- Jan 27, 2026
- Fax
- (215) 707-4034
- Medicare enrollment
- Enrolled (PECOS I20251104001634); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 413 in Pennsylvania → Look up another NPI →
Also registered at 3401 N Broad St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Abdelaal Abdelbaky, MDNeurological Surgery Physician1437429107
- Ziyodakhon Abdujabborova, MDInternal Medicine Physician1699391839
- Asia Abdul-Haqq, CNMAdvanced Practice Midwife1588679161
Verify Isabel Cristina Penabad in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD489129Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average rheumatology physician in 2024
259 Medicare Part D claims for 47 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D.
Most prescribed
- Methotrexate32 claims
- Hydroxychloroquine Sulfate29 claims
- Humira27 claims
- Allopurinol17 claims
- Mycophenolate Mofetil14 claims
- Prednisone13 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 one group practice
- Temple Faculty Practice Plan IncPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Isabel Cristina Penabad among 413 rheumatology physician records in Pennsylvania
Isabel Cristina Penabad, MD is one of 413 rheumatology physician records with a practice address in Pennsylvania. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 96% of them.
- NPI issued2020 · 96% of these records are older, 3% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2020 · median 2004 among the 275 with a school on file
- Record last updated2026 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Pennsylvania
There are 413 rheumatology physician records in Pennsylvania.
All 413 in Pennsylvania → Every provider in Philadelphia → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Steven Berney, MDPhiladelphia, PA 191401144217043
- Marissa Blum, MDPhiladelphia, PA 191401316080229
- Lawrence Brent, MDPhiladelphia, PA 191401043271729
- Philip Cohen, MDPhiladelphia, PA 191401235167362
- Xuan GaoPhiladelphia, PA 191401528485885
- Arundathi Jayatilleke, MDPhiladelphia, PA 191401427232834
- Terrence Kilfoil, D.O.Philadelphia, PA 191401992914584
- Yiu Tak Leung, MD PHDPhiladelphia, PA 191401790947075
Common questions
What is Isabel Cristina Penabad, MD's NPI number?
Isabel Cristina Penabad, MD's National Provider Identifier (NPI) is 1649807363, issued on Mar 24, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Isabel Cristina Penabad, MD located?
The NPPES record lists a practice address at 3401 N Broad St, Philadelphia, PA, 19140. Phone: (215) 707-4600. Providers update this record themselves, so call before visiting.
How can I verify Isabel Cristina Penabad, MD's license?
NPPES lists Pennsylvania license number MD489129, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Isabel Cristina Penabad, MD prescribe under Medicare Part D?
In 2024, Isabel Cristina Penabad, MD had 259 Medicare Part D claims for 47 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.