Cristobal Rivera Ramos, M. D.
NPI 1235411463 · Internal Medicine Physician · Santa Isabel, PR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cristobal Rivera Ramos, M. D. is a Internal Medicine Physician provider in Santa Isabel, PR (NPI 1235411463).
Provider details
- NPI number
- 1235411463
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M. D.
- Sex
- Male
- Sole proprietor
- No
- License
- 28436-R (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
121 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 86 | $115 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 19 | $79 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 16 | $168 |
Typical Medicare-allowed amounts for these services range $79–$168 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 52 | 50 |
| Pantoprazole Sodium | 32 | 32 |
| Carvedilol | 29 | 22 |
| Metoprolol Succinate | 27 | 26 |
| Ciprofloxacin Hcl | 26 | 23 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 22 | 20 |
| Empagliflozin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-09-14
- Last updated
- 2015-10-07
Frequently asked questions
- What is Cristobal Rivera Ramos's NPI number?
- Cristobal Rivera Ramos's National Provider Identifier (NPI) is 1235411463, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cristobal Rivera Ramos's specialty?
- Cristobal Rivera Ramos is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Cristobal Rivera Ramos located?
- Cristobal Rivera Ramos's practice location on file with NPPES is Plz Santa Isabel, Santa Isabel, PR 00757-4002.
- What is Cristobal Rivera Ramos's phone number?
- The practice phone number listed in the NPPES registry for Cristobal Rivera Ramos is (787) 929-5882.
- Does Cristobal Rivera Ramos accept Medicare?
- Cristobal Rivera Ramos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cristobal Rivera Ramos's NPI active?
- Yes — Cristobal Rivera Ramos's NPI (1235411463) is active in the NPPES registry as of the last update on 2015-10-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.