Ramon E. Cao, M.D.
Anesthesiology Physician · San Juan, PR
Ramon E. Cao, M.D. is an anesthesiology physician with a practice address in San Juan, Puerto Rico, and NPI 1215974027, issued on Jun 1, 2006. Check the license (Puerto Rico 15812, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ramon E. Cao
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License numbers
- 15812 PR
D0061359 MD
Self-reported in NPPES; status is on the state search - Practice location
- 735 Ave Ponce DE Leon, San Juan, PR 00917
- Phone
- (787) 379-6786
- Enumerated
- Jun 1, 2006
- Record last updated
- Apr 5, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (787) 767-6138
- Medicaid ID
- 405179300 MD
- Medicare enrollment
- Enrolled (PECOS I20051010000460); accepts Medicare assignment
- Medical or professional school
- University Central Del Caribe Escuela De Medicina, 1999
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 191 in Puerto Rico → Look up another NPI →
Also registered at 735 Ave Ponce DE Leon
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Miguel Abreu, M.D., FACCClinical Cardiac Electrophysiology Physician1649294687
- Luis Acaba, M.D.Hematology & Oncology Physician1225031396
- Vanessa ArroyoPharmacist1497686182
- Liz Betancourt, PH.DCounseling Psychologist1639568132
- Yudit Brito PequeraGeneral Practice Physician1013119304
- Pedro Del Valle De Tomas, MDInternal Medicine Physician1023126430
Verify Ramon E. Cao 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 15812Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average anesthesiology physician in 2024
38 Medicare Part D claims for 11 beneficiaries, against an average of 402 among the 4,319 providers of this specialty who prescribed in Part D.
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: $18.65
1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 17,774 providers of this specialty with any payment received $669.59 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
- Grh Anesthesia Group, PscSan Juan, PR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ramon E. Cao among 191 anesthesiology physician records in Puerto Rico
Ramon E. Cao, M.D. is one of 191 anesthesiology physician records with a practice address in Puerto Rico. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 40% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 47% of these records are
- Graduated1999 · median 1994 among the 89 with a school on file
- Record last updated2011 · 71% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in Puerto Rico
There are 191 anesthesiology physician records in Puerto Rico.
All 191 in Puerto Rico → Every provider in San Juan → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Noel Colon De Leon, M.D.San Juan, PR 009171215970934
- Ana Corripio Sanchez, MDSan Juan, PR 009171386741619
- Rosa Frasqueri, MDSan Juan, PR 009171598967283
- Matias Gil De Rubio Maldonado, MDSan Juan, PR 009171497826994
- Edgardo Rivera Hernandez, MDSan Juan, PR 009171164467171
- Gloria Santaella De Figueroa, MDSan Juan, PR 009171972763951
- Orlando Aponte, M.D.San Juan, PR 009181487675286
- Miguel Eliza Garcia, 5396Rio Piedras, PR 009181699738104
Common questions
What is Ramon E. Cao, M.D.'s NPI number?
Ramon E. Cao, M.D.'s National Provider Identifier (NPI) is 1215974027, issued on Jun 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ramon E. Cao, M.D. located?
The NPPES record lists a practice address at 735 Ave Ponce DE Leon, San Juan, PR, 00917. Phone: (787) 379-6786. Providers update this record themselves, so call before visiting.
How can I verify Ramon E. Cao, M.D.'s license?
NPPES lists Puerto Rico license number 15812, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Ramon E. Cao, M.D. prescribe under Medicare Part D?
In 2024, Ramon E. Cao, M.D. had 38 Medicare Part D claims for 11 beneficiaries; the average among anesthesiology physician prescribers was 402. 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.