Carlos A. Martinez Crespi, MD
Hematology & Oncology Physician · Aibonito, PR
Carlos A. Martinez Crespi, MD is a hematology & oncology physician with a practice address in Aibonito, Puerto Rico, and NPI 1407368210, issued on Nov 2, 2017. Check the license (Puerto Rico 23311, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Carlos A. Martinez Crespi
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 23311 PR
Self-reported in NPPES; status is on the state search - Practice location
- Carr #726 KM 0.4 Barrio EL Pueblo, Aibonito, PR 00705
- Phone
- (787) 954-8001
- Enumerated
- Nov 2, 2017
- Record last updated
- Jul 31, 2026
- Medicare enrollment
- Enrolled (PECOS I20240323000283); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 134 in Puerto Rico → Look up another NPI →
Verify Carlos A. Martinez Crespi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Puerto Rico board licenses this profession
Search for license 23311Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
142 Medicare Part D claims for 60 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Prednisone12 claims
- Famotidine11 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.
Industry payments in 2024: $896.34
28 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 8,560 providers of this specialty with any payment received $7,481.41 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.
One hospital affiliation
- Hospital Menonita DE CayeyCayey, PR · Acute Care Hospitals
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
Carlos A. Martinez Crespi among 134 hematology & oncology physician records in Puerto Rico
Carlos A. Martinez Crespi, MD is one of 134 hematology & oncology physician records with a practice address in Puerto Rico. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 95% of them.
- NPI issued2017 · 95% of these records are older, 2% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2016 · median 2001 among the 98 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 207RH0003X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Puerto Rico
There are 134 hematology & oncology physician records in Puerto Rico.
All 134 in Puerto Rico → Every provider in Aibonito → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Arnaldo Rojas Figueroa, MDAibonito, PR 007051669900650
- Amarilys Mangual, M.D.Yauco, PR 006981437263936
- Monica Santiago Casiano, M.D.Yauco Puerto Rico, PR 006981396920518
- Anna Di Marco, M.D.Ponce, PR 007161992981690
- Miguel Diaz Ferriol, MDPonce, PR 007161245767193
- Maryknoll De La Paz, MDPonce, PR 007171740414291
- Rolando Jimenez, M.D.Ponce, PR 007171780691238
- Caroline Rivera Olmo, M.D.Vega Baja, PR 006931033305123
Common questions
What is Carlos A. Martinez Crespi, MD's NPI number?
Carlos A. Martinez Crespi, MD's National Provider Identifier (NPI) is 1407368210, issued on Nov 2, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Carlos A. Martinez Crespi, MD located?
The NPPES record lists a practice address at Carr #726 KM 0.4 Barrio EL Pueblo, Aibonito, PR, 00705. Phone: (787) 954-8001. Providers update this record themselves, so call before visiting.
How can I verify Carlos A. Martinez Crespi, MD's license?
NPPES lists Puerto Rico license number 23311, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Carlos A. Martinez Crespi, MD prescribe under Medicare Part D?
In 2024, Carlos A. Martinez Crespi, MD had 142 Medicare Part D claims for 60 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.