Martha Castro, PA-C
Physician Assistant · Bronx, NY
Martha Castro, PA-C is a physician assistant with a practice address in Bronx, New York, and NPI 1104143056, issued on Apr 30, 2010. Check the license (New York 013991, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Martha Castro
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 013991 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1250 Waters PL, Bronx, NY 10461
- Phone
- (718) 652-0003
- Enumerated
- Apr 30, 2010
- Record last updated
- Aug 22, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (718) 652-0815
- Medicare enrollment
- Enrolled (PECOS I20101004001352); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 15,555 in New York → Look up another NPI →
Also registered at 1250 Waters PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Arthur Abelow, MDGastroenterology Physician1235242728
- Ami Abraham, DOPulmonary Disease Physician1790947232
- Nitya Abraham, M.D.Urogynecology and Reconstructive Pelvic Surgery (Urology) Physician1417152349
- Toyin Ajasin, LCSWClinical Social Worker1275783938
- Petros Anagnostakis, PTAPhysical Therapy Assistant1609065762
- Larissa Arango, PT, DPTPhysical Therapist1699307983
Verify Martha Castro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 013991Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average physician assistant in 2024
231 Medicare Part D claims for 86 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 34 claims were for opioids.
Most prescribed
- Gabapentin43 claims
- Baclofen27 claims
- Tramadol Hcl17 claims
- Lidocaine15 claims
- Cyclobenzaprine Hcl12 claims
- Methylprednisolone12 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.
The MIPS final score for 2023 (Medicare payment program): 12.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $113.91
5 payments; by number, the most common kind was food and beverage; the largest payer was DePuy Synthes Sales Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Shein Orthopaedics, PLLCBronx, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Martha Castro among 15,555 physician assistant records in New York
Martha Castro, PA-C is one of 15,555 physician assistant records with a practice address in New York. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 26% of them.
- NPI issued2010 · 26% of these records are older, 71% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2010 · median 2018 among the 8,158 with a school on file
- Record last updated2013 · 48% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,014 physician assistant records list a practice address in Bronx
They are 1,014 of the 32,017 NPPES records with a practice address in Bronx, and 15,555 physician assistant records in New York.
All 15,555 in New York → Every provider in Bronx → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Sanford Abramson, PABronx, NY 104611962506287
- Zehra Ahmed, PABronx, NY 104611871697193
- Michelle Alexis, PABronx, NY 104611861582769
- Teresa Berardi, PABronx, NY 104611346333580
- Derrick Birmingham, RPABronx, NY 104611952336380
- Theresa Capra, PABronx, NY 104611457456162
- Patricia Cremins, RPA-CBronx, NY 104611063506020
- Karen Fragano, PABronx, NY 104611861582736
Common questions
What is Martha Castro, PA-C's NPI number?
Martha Castro, PA-C's National Provider Identifier (NPI) is 1104143056, issued on Apr 30, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Martha Castro, PA-C located?
The NPPES record lists a practice address at 1250 Waters PL, Bronx, NY, 10461. Phone: (718) 652-0003. Providers update this record themselves, so call before visiting.
How can I verify Martha Castro, PA-C's license?
NPPES lists New York license number 013991, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Martha Castro, PA-C prescribe under Medicare Part D?
In 2024, Martha Castro, PA-C had 231 Medicare Part D claims for 86 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Martha Castro, PA-C's MIPS final score?
The 2023 MIPS final score is 12.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.