William Oh, M.D.
NPI 1770586117 · Orthopaedic Surgery Physician · Tamuning, GU
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Oh, M.D. is a Orthopaedic Surgery Physician provider in Tamuning, GU (NPI 1770586117).
Provider details
- NPI number
- 1770586117
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 17710 (KY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
- Orthopaedic Hand Surgery Physician207XS0106X
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
21 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
918 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 509 | $90 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 150 | $66 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 108 | $166 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 70 | $128 |
| X-Ray of Knee, 4 Or More Views73564 | 57 | $40 |
| X-Ray of Shoulder, Minimum of 2 Views73030 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 3 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Celecoxib | 27 |
| Naproxen | 23 |
| Ibuprofen | 13 |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do notinclude cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means no Part D record, never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Practice location
Mailing address
Additional practice locations (2)
- 303 S Main StBluffton, IN 46714-2503Phone: (260) 919-3006
- 401 Long Rapids PlzAlpena, MI 49707-1394Phone: (989) 356-9333Fax: (989) 356-0804
Registry dates
- Enumerated
- 2005-05-31
- Last updated
- 2023-04-25
- Certified
- 2023-04-25
Frequently asked questions
- What is William Oh's NPI number?
- William Oh's National Provider Identifier (NPI) is 1770586117, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Oh's specialty?
- William Oh is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is William Oh located?
- William Oh's practice location on file with NPPES is 388 Ypao Rd, Tamuning, GU 96913-3701.
- What is William Oh's phone number?
- The practice phone number listed in the NPPES registry for William Oh is (671) 646-8881.
- Does William Oh accept Medicare?
- William Oh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Oh's NPI active?
- Yes — William Oh's NPI (1770586117) is active in the NPPES registry as of the last update on 2023-04-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.