Deborah Oh, MD
NPI 1346467800 · Endocrinology, Diabetes & Metabolism Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Deborah Oh, MD is a Endocrinology, Diabetes & Metabolism Physician provider in San Diego, CA (NPI 1346467800).
Provider details
- NPI number
- 1346467800
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A83445 (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
19 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
274 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 | 101 | $136 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 65 | $3 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 47 | $97 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 28 | $177 |
| Blood Glucose (sugar) Level82947 | 19 | $4 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 14 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 200 | 61 |
| Semaglutidebrand: Ozempic | 124 | 33 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 87 | 36 |
| Empagliflozinbrand: Jardiance | 82 | 26 |
| Glipizide | 81 | 30 |
| Sitagliptin Phosphatebrand: Januvia | 54 | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-19
- Last updated
- 2007-11-30
Frequently asked questions
- What is Deborah Oh's NPI number?
- Deborah Oh's National Provider Identifier (NPI) is 1346467800, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Deborah Oh's specialty?
- Deborah Oh is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Deborah Oh located?
- Deborah Oh's practice location on file with NPPES is 4405 Vandever Ave, San Diego, CA 92120-3315.
- What is Deborah Oh's phone number?
- The practice phone number listed in the NPPES registry for Deborah Oh is (619) 528-5000.
- Does Deborah Oh accept Medicare?
- Deborah Oh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Deborah Oh's NPI active?
- Yes — Deborah Oh's NPI (1346467800) is active in the NPPES registry as of the last update on 2007-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.