Moonmock Oh, M.D.
NPI 1902838881 · Family Medicine Physician · Irvine, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Moonmock Oh, M.D. is a Family Medicine Physician provider in Irvine, CA (NPI 1902838881).
Provider details
- NPI number
- 1902838881
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A107209 (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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
4,022 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) |
|---|---|---|
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, Each Additional 20 Minutes99458 | 670 | $42 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 606 | $67 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes99457 | 460 | $54 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 450 | $138 |
| Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99439 | 431 | $52 |
| Telephone Medical Discussion With Physician, 11-20 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 114 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 992 | 301 |
| Amlodipine Besylate | 437 | 137 |
| Metformin Hclbrand: Metformin Hcl Er | 427 | 124 |
| Losartan/Hydrochlorothiazidebrand: Losartan-Hydrochlorothiazide | 416 | 119 |
| Finasteride | 416 | 117 |
| Tamsulosin Hcl | 377 | 125 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,055 across 14 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
Registry dates
- Enumerated
- 2006-07-07
- Last updated
- 2012-11-19
Frequently asked questions
- What is Moonmock Oh's NPI number?
- Moonmock Oh's National Provider Identifier (NPI) is 1902838881, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Moonmock Oh's specialty?
- Moonmock Oh is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Moonmock Oh located?
- Moonmock Oh's practice location on file with NPPES is 3500 Barranca Pkwy, Irvine, CA 92606-8226.
- What is Moonmock Oh's phone number?
- The practice phone number listed in the NPPES registry for Moonmock Oh is (949) 552-8217.
- Does Moonmock Oh accept Medicare?
- Moonmock Oh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Moonmock Oh's NPI active?
- Yes — Moonmock Oh's NPI (1902838881) is active in the NPPES registry as of the last update on 2012-11-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.