Dr. Ramon E. Cao, MD
- Medicare services, 2020
- 24
- Medicare patients, 2024
- 59
- Part D claims, 2024
- 38
- Hospital affiliations
- 1
- Industry payments
- $4,874
- Practice address
- Cont Torre Auxilio Mutuo Ofc 704 735 Ave Ponce De Leon, San Juan, PR 00917-5029
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Grh Anesthesia Group - San Juan (Cont Torre Auxilio Mutuo Ofc)
Surgical practice · San Juan, Puerto Rico
Find Dr. Cao's professional email, personal email and mobile number
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Dr. Ramon E. Cao is an anesthesiologist in San Juan, Puerto Rico
Dr. Cao practices at Grh Anesthesia Group - San Juan (Cont Torre Auxilio Mutuo Ofc) in San Juan, Puerto Rico.
Dr. Cao's NPI, 1215974027, was assigned on June 1, 2006. Dr. Cao graduated from University Central Del Caribe Escuela De Medicina in 1999. Dr. Cao holds Maryland license D0061359.
- NPI
- 1215974027NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0840265807
- NPI enumeration date
- June 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ramon E. Cao practices at 2 locations in San Juan, Puerto Rico
Dr. Cao's primary practice is Grh Anesthesia Group - San Juan (Cont Torre Auxilio Mutuo Ofc), at Cont Torre Auxilio Mutuo Ofc 704 735 Ave Ponce De Leon, San Juan, PR 00917-5029. The NPI Registry lists Dr. Cao's practice address as 735 Ave Ponce De Leon, San Juan, PR 00917.
- Grh Anesthesia Group - San Juan (Cont Torre Auxilio Mutuo Ofc)PrimaryCont Torre Auxilio Mutuo Ofc 704 735 Ave Ponce De Leon, San Juan, PR 00917-5029
- NPI Registry address735 Ave Ponce De Leon, San Juan, PR 00917Phone(787) 379-6786
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Ramon E. Cao is affiliated with 2 sites of care and 1 medical group
Dr. Cao's primary practice is Grh Anesthesia Group - San Juan (Cont Torre Auxilio Mutuo Ofc) in San Juan, Puerto Rico. Dr. Cao is also affiliated with Hospital Auxilio Mutuo. The medical group on file is GRH Anesthesia Group.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Ramon E. Cao's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cao practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Grh Anesthesia Group - San Juan (Cont Torre Auxilio Mutuo Ofc) | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ramon E. Cao is one of 150 anesthesiologists in Puerto Rico
Anesthesiology is Dr. Cao's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dmand AI has Dr. Cao's licenses on file in 2 states: Maryland and Puerto Rico.
Specialties and state licenses
- Anesthesiology, MarylandPrimary
- Puerto Rico license
Anesthesiologists near Dr. Cao
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ramon E. Cao billed Medicare for 24 services in 2020
CMS data shows 24 Medicare services from Dr. Cao across 2 procedure codes in 2020, for 59 Medicare patients. Medicare paid $6,198 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Cao's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Anesthesia
- 2019: 242020: 24No change
Dr. Cao compared with the Puerto Rico median for anesthesiologists, 2020
- Dr. Cao
- Puerto Rico median
- Medicare services
- 24vs 3123% below
- Medicare patients
- 59vs 4048% above
- Part D claims
- 11vs 2250% below
Medians across 118 anesthesiologists in Puerto Rico with Dmand AI profiles that report each measure.
Dr. Cao's most billed Medicare procedure codes, 2020
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Cao and other anesthesiologists in Puerto Rico.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ramon E. Cao treated 59 Medicare patients in 2024, average age 75
CMS counts 59 Medicare patients who saw Dr. Cao in 2024. The largest group is 75 to 84, with 23 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.30, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Cao's median patient age at 39, with 75% women.
Dr. Cao's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Cao's Medicare patients by sex, 2024
- Women3763%
- Men2237%
Chronic conditions among Dr. Cao's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes61%
- Arthritis56%
- Chronic kidney disease39%
- Anxiety31%
- Ischemic heart disease29%
- Osteoporosis27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Cao's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 39
Patient panel by sex, all payers
- Women75%
- Men25%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ramon E. Cao wrote 38 Medicare Part D claims in 2024
In 2024, Dr. Cao wrote 38 Medicare Part D claims for 11 patients. 97% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $43 in total drug cost.
Dr. Cao's Part D claims by kind of drug, 2024
- Generic37 claims97%
- Brand-name and other1 claims3%
Dr. Cao's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Ramon E. Cao takes part in Medicare
Dr. Cao accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Ramon E. Cao received $4,874 in industry payments from 2016 to 2025
CMS Open Payments shows 62 general payments to Dr. Cao from 7 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 45% of the total. Merck Sharp & Dohme Corporation paid the most, $2,040.
General payments to Dr. Cao by program year, 2016 to 2025
General payments to Dr. Cao by kind, 2016 to 2025
- Food and beverage$2,20845%
- Speaker and faculty fees$1,50031%
- Travel and lodging$1,16624%
Companies that paid Dr. Cao the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ramon E. Cao graduated from University Central Del Caribe Escuela De Medicina
Dr. Cao graduated from University Central Del Caribe Escuela De Medicina in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ramon E. Cao's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ramon E. Cao
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ramon E. Cao's NPI number?
Dr. Ramon E. Cao's NPI number is 1215974027. It was assigned on June 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ramon E. Cao?
Dr. Ramon E. Cao is an anesthesiologist in San Juan, Puerto Rico. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Ramon E. Cao practice?
Dr. Cao practices at Cont Torre Auxilio Mutuo Ofc 704 735 Ave Ponce De Leon, San Juan, PR 00917-5029. Dr. Cao also practices at 735 Ave Ponce De Leon, San Juan, PR 00917. Dr. Cao's primary practice is Grh Anesthesia Group - San Juan (Cont Torre Auxilio Mutuo Ofc) in San Juan, Puerto Rico.
What is Dr. Ramon E. Cao's medical license number?
Dr. Cao holds Maryland license D0061359, one of the licenses on file in 2 states.
Which states has Dr. Ramon E. Cao been licensed in?
Dmand AI has state licenses on file for Dr. Cao in Maryland and Puerto Rico.
Which hospitals is Dr. Ramon E. Cao affiliated with?
Dr. Cao is affiliated with Hospital Auxilio Mutuo.
What medical group is Dr. Ramon E. Cao part of?
Dr. Cao is linked to GRH Anesthesia Group.
Does Dr. Ramon E. Cao accept Medicare?
Yes. CMS data shows Dr. Cao billed Medicare for 24 services in 2020, and Dr. Cao accepts Medicare assignment.
How many Medicare patients does Dr. Ramon E. Cao see?
CMS counts 59 Medicare patients who saw Dr. Cao in 2024, with an average age of 75.
What services does Dr. Ramon E. Cao bill to Medicare?
In 2020, Dr. Cao's most billed Medicare services were anesthesia (01844) and anesthesia (01402).
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Where did Dr. Ramon E. Cao go to medical school?
Dr. Cao graduated from University Central Del Caribe Escuela De Medicina in 1999.
What drugs does Dr. Ramon E. Cao prescribe most?
In 2021 Medicare Part D data, Dr. Cao's most prescribed drugs by claims were Olanzapine.
Has Dr. Ramon E. Cao received payments from drug or device companies?
CMS Open Payments shows $4,874 in general payments to Dr. Cao from 7 companies from 2016 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Ramon E. Cao been practicing?
Dr. Cao graduated from medical school in 1999, 27 years ago.
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