Sangrok Oh, D.O.
NPI 1891131439 · Family Medicine Physician · Tonawanda, NY
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sangrok Oh, D.O. is a Family Medicine Physician provider in Tonawanda, NY (NPI 1891131439).
Provider details
- NPI number
- 1891131439
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 285572 (NY)
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
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
180 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) |
|---|---|---|
| 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 | 53 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 48 | $122 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 41 | $123 |
| Hemoglobin A1c Level83036 | 26 | $10 |
| Administration of Influenza Virus VaccineG0008 | 12 | $31 |
Typical Medicare-allowed amounts for these services range $10–$123 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 51 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 171 | 40 |
| Amlodipine Besylate | 165 | 46 |
| Atorvastatin Calcium | 147 | 41 |
| Rosuvastatin Calcium | 145 | 44 |
| Lisinopril | 132 | 38 |
| Alendronate Sodium | 104 | 28 |
| Hydrochlorothiazide | 96 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-05-21
- Last updated
- 2016-07-25
Frequently asked questions
- What is Sangrok Oh's NPI number?
- Sangrok Oh's National Provider Identifier (NPI) is 1891131439, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sangrok Oh's specialty?
- Sangrok Oh is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sangrok Oh located?
- Sangrok Oh's practice location on file with NPPES is 2465 Sheridan Dr, Tonawanda, NY 14150-9407.
- What is Sangrok Oh's phone number?
- The practice phone number listed in the NPPES registry for Sangrok Oh is (716) 835-9800.
- Does Sangrok Oh accept Medicare?
- Sangrok Oh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sangrok Oh's NPI active?
- Yes — Sangrok Oh's NPI (1891131439) is active in the NPPES registry as of the last update on 2016-07-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.