Ryan Uyan, MD
NPI 1275996050 · Geriatric Medicine (Internal Medicine) Physician · Monterey Park, CA
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Uyan, MD is a Geriatric Medicine (Internal Medicine) Physician provider in Monterey Park, CA (NPI 1275996050).
Provider details
- NPI number
- 1275996050
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A160771 (CA)
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
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
545 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 35 Minutes99232 | 230 | $80 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 155 | $122 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 59 | $135 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 46 | $117 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 39 | $85 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 16 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 25 | 24 |
| Prednisone | 23 | 22 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 22 | 21 |
| Levofloxacin | 19 | 17 |
| Atorvastatin Calcium | 17 | 16 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 17 | 17 |
Practice location
Mailing address
Additional practice locations (2)
- 757 Westwood PlzLos Angeles, CA 90095-3017Phone: (310) 825-8253
- 110 Irving St NwDept of Internal MedicineWashington, DC 20010-3017Phone: (202) 877-2835Fax: (202) 877-8288
Registry dates
- Enumerated
- 2016-03-30
- Last updated
- 2024-01-16
- Certified
- 2024-01-16
Frequently asked questions
- What is Ryan Uyan's NPI number?
- Ryan Uyan's National Provider Identifier (NPI) is 1275996050, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Uyan's specialty?
- Ryan Uyan is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Uyan located?
- Ryan Uyan's practice location on file with NPPES is 525 N Garfield Ave, Monterey Park, CA 91754-1202.
- What is Ryan Uyan's phone number?
- The practice phone number listed in the NPPES registry for Ryan Uyan is (626) 573-2222.
- Does Ryan Uyan accept Medicare?
- Ryan Uyan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Uyan's NPI active?
- Yes — Ryan Uyan's NPI (1275996050) is active in the NPPES registry as of the last update on 2024-01-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.