Julieta Montilla Adsuar, MD
NPI 1811966633 · Family Medicine Physician · San Juan, PR
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Julieta Montilla Adsuar, MD is a Family Medicine Physician provider in San Juan, PR (NPI 1811966633).
Provider details
- NPI number
- 1811966633
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 13481 (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
20 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
197 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 102 | $38 |
| Office Or Other Outpatient Visit for the Evaluation and Management of Established Patient That May Not Require Presence of Healthcare Professional99211 | 84 | $22 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 11 | $101 |
Typical Medicare-allowed amounts for these services range $22–$101 (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 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 109 | 85 |
| Levothyroxine Sodiumbrand: Synthroid | 106 | 32 |
| Metformin Hcl | 92 | 24 |
| Gabapentin | 82 | 23 |
| Losartan Potassium | 80 | 25 |
| Atorvastatin Calcium | 74 | 29 |
| Prednisone |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-15
- Last updated
- 2012-12-13
Frequently asked questions
- What is Julieta Montilla Adsuar's NPI number?
- Julieta Montilla Adsuar's National Provider Identifier (NPI) is 1811966633, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Julieta Montilla Adsuar's specialty?
- Julieta Montilla Adsuar is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Julieta Montilla Adsuar located?
- Julieta Montilla Adsuar's practice location on file with NPPES is 531 Calle Sergio Cuevas, San Juan, PR 00918-2642.
- What is Julieta Montilla Adsuar's phone number?
- The practice phone number listed in the NPPES registry for Julieta Montilla Adsuar is (787) 765-0680.
- Does Julieta Montilla Adsuar accept Medicare?
- Julieta Montilla Adsuar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Julieta Montilla Adsuar's NPI active?
- Yes — Julieta Montilla Adsuar's NPI (1811966633) is active in the NPPES registry as of the last update on 2012-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.