Santiago Ulloa Ramirez
NPI 1619074960 · Surgery Physician · Guaynabo, PR
Enrolled with Medicare as Practitioner - Colorectal Surgery (proctology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Santiago Ulloa Ramirez is a Surgery Physician provider in Guaynabo, PR (NPI 1619074960).
Provider details
- NPI number
- 1619074960
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- 10722 (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
14 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 14 | $110 |
Typical Medicare-allowed amounts for these services range $110–$110 (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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Midazolam Hcl | 42 | 42 |
| Metronidazole | 39 | 34 |
| Ciprofloxacin Hcl | 37 | 33 |
| Ketorolac Tromethamine | 37 | 35 |
| Midazolam Hcl/Pfbrand: Midazolam Hcl | 35 | 35 |
| Meperidine Hcl/Pfbrand: Meperidine Hcl | 32 | 32 |
| Lidocaine | 30 | 24 |
| Peg3350/Sod Sulf,bicarb,cl/Kcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-20
- Last updated
- 2012-09-19
Frequently asked questions
- What is Santiago Ulloa Ramirez's NPI number?
- Santiago Ulloa Ramirez's National Provider Identifier (NPI) is 1619074960, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Santiago Ulloa Ramirez's specialty?
- Santiago Ulloa Ramirez is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Santiago Ulloa Ramirez located?
- Santiago Ulloa Ramirez's practice location on file with NPPES is 17 Calle Gonzalez Giusti, Guaynabo, PR 00968-3017.
- What is Santiago Ulloa Ramirez's phone number?
- The practice phone number listed in the NPPES registry for Santiago Ulloa Ramirez is (787) 707-0095.
- Does Santiago Ulloa Ramirez accept Medicare?
- Santiago Ulloa Ramirez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Santiago Ulloa Ramirez's NPI active?
- Yes — Santiago Ulloa Ramirez's NPI (1619074960) is active in the NPPES registry as of the last update on 2012-09-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.