Ernest Oh, M.D.
NPI 1710321864 · Pain Medicine (Physical Medicine & Rehabilitation) Physician · Riverside, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ernest Oh, M.D. is a Pain Medicine (Physical Medicine & Rehabilitation) Physician provider in Riverside, CA (NPI 1710321864).
Provider details
- NPI number
- 1710321864
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Physical Medicine & Rehabilitation) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A134499 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 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
768 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 | 325 | $131 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 120 | $94 |
| Injection of Substance Into Lower Spine Canal Using Imaging Guidance62323 | 113 | $99 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 42 | $73 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 39 | $171 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 1,723 | 341 |
| Gabapentin | 608 | 166 |
| Duloxetine Hcl | 531 | 140 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 490 | 95 |
| Pregabalin | 415 | 102 |
| Tramadol Hcl | 309 | 78 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$595 across 30 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)
- 11234 Anderson StLoma Linda University Medical Center- Pm&rLoma Linda, CA 92354-2804Phone: (909) 558-6202
Registry dates
- Enumerated
- 2013-04-19
- Last updated
- 2025-04-14
- Certified
- 2025-04-14
Frequently asked questions
- What is Ernest Oh's NPI number?
- Ernest Oh's National Provider Identifier (NPI) is 1710321864, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ernest Oh's specialty?
- Ernest Oh is listed in the NPPES registry with a primary specialty of Pain Medicine (Physical Medicine & Rehabilitation) Physician (Allopathic & Osteopathic Physicians).
- Where is Ernest Oh located?
- Ernest Oh's practice location on file with NPPES is 7117 Brockton Ave, Riverside, CA 92506-2658.
- What is Ernest Oh's phone number?
- The practice phone number listed in the NPPES registry for Ernest Oh is (951) 782-3765.
- Does Ernest Oh accept Medicare?
- Ernest Oh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ernest Oh's NPI active?
- Yes — Ernest Oh's NPI (1710321864) is active in the NPPES registry as of the last update on 2025-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.