Eun Oh, MD
NPI 1558391672 · Internal Medicine Physician · Oro Valley, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eun Oh, MD is a Internal Medicine Physician provider in Oro Valley, AZ (NPI 1558391672).
Provider details
- NPI number
- 1558391672
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 41023 (AZ)
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 tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
922 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 358 | $124 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 210 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 163 | $88 |
| Office Or Other Outpatient Visit for the Evaluation and Management of Established Patient That May Not Require Presence of Healthcare Professional99211 | 74 | $22 |
| Administration of Influenza Virus VaccineG0008 | 73 | $31 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 85 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 337 | 93 |
| Lisinopril | 163 | 42 |
| Pantoprazole Sodium | 148 | 42 |
| Semaglutidebrand: Ozempic | 127 | 24 |
| Amlodipine Besylate | 119 | 29 |
| Levothyroxine Sodiumbrand: Synthroid | 100 | 25 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$747 across 36 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 760 E Pusch View LnOro Valley, AZ 85737-9235Phone: (520) 547-5688Fax: (520) 547-4661
Registry dates
- Enumerated
- 2006-07-04
- Last updated
- 2018-06-01
Frequently asked questions
- What is Eun Oh's NPI number?
- Eun Oh's National Provider Identifier (NPI) is 1558391672, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eun Oh's specialty?
- Eun Oh is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Eun Oh located?
- Eun Oh's practice location on file with NPPES is 555 E Vuelta Caminata Del Rio, Oro Valley, AZ 85737.
- What is Eun Oh's phone number?
- The practice phone number listed in the NPPES registry for Eun Oh is (520) 547-5688.
- Does Eun Oh accept Medicare?
- Eun Oh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eun Oh's NPI active?
- Yes — Eun Oh's NPI (1558391672) is active in the NPPES registry as of the last update on 2018-06-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.