Aung Oo, M.D
NPI 1285983601 · Internal Medicine Physician · Modesto, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Aung Oo, M.D is a Internal Medicine Physician provider in Modesto, CA (NPI 1285983601).
Provider details
- NPI number
- 1285983601
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- No
- License
- 281526 (NY)
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
13 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
1,283 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 745 | $129 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 207 | $131 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 129 | $91 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 56 | $15 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 48 | $15 |
| Administration of Influenza Virus VaccineG0008 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 139 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 677 | 184 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 574 | 96 |
| Lisinopril | 427 | 109 |
| Amlodipine Besylate | 373 | 95 |
| Levothyroxine Sodium | 295 | 72 |
| Omeprazole | 277 | 74 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-08-30
- Last updated
- 2016-10-03
Frequently asked questions
- What is Aung Oo's NPI number?
- Aung Oo's National Provider Identifier (NPI) is 1285983601, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Aung Oo's specialty?
- Aung Oo is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Aung Oo located?
- Aung Oo's practice location on file with NPPES is 600 Coffee Rd, Modesto, CA 95355-4201.
- What is Aung Oo's phone number?
- The practice phone number listed in the NPPES registry for Aung Oo is (209) 524-1211.
- Does Aung Oo accept Medicare?
- Aung Oo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Aung Oo's NPI active?
- Yes — Aung Oo's NPI (1285983601) is active in the NPPES registry as of the last update on 2016-10-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.