Pat Kouwabunpat, MD
NPI 1063625069 · Family Medicine Physician · Santa Ana, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Pat Kouwabunpat, MD is a Family Medicine Physician provider in Santa Ana, CA (NPI 1063625069).
Provider details
- NPI number
- 1063625069
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A97918 (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
236 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 | 83 | $84 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 47 | $133 |
| Brief Communication Technology-Based Service, E.g. Virtual Check-In, By a Physician Or Other Qualified Health Care Professional Who Can Report Evaluation and Management Services, Provided to an Established Patient, Not Originating From a Related E/M ServicG2012 | 47 | $13 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 40 | $68 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 19 | $59 |
Typical Medicare-allowed amounts for these services range $13–$133 (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 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 100 | 41 |
| Amlodipine Besylate | 43 | 15 |
| Metformin Hcl | 39 | 17 |
| Losartan Potassium | 37 | 14 |
| Omeprazole | 33 | 12 |
| Lisinopril | 29 | 14 |
| Acetaminophen With Codeinebrand: Acetaminophen-Codeine |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-07
- Last updated
- 2023-02-23
- Certified
- 2023-02-23
Frequently asked questions
- What is Pat Kouwabunpat's NPI number?
- Pat Kouwabunpat's National Provider Identifier (NPI) is 1063625069, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Pat Kouwabunpat's specialty?
- Pat Kouwabunpat is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Pat Kouwabunpat located?
- Pat Kouwabunpat's practice location on file with NPPES is 1610 W Edinger Ave, Santa Ana, CA 92704-4339.
- What is Pat Kouwabunpat's phone number?
- The practice phone number listed in the NPPES registry for Pat Kouwabunpat is (714) 641-1610.
- Does Pat Kouwabunpat accept Medicare?
- Pat Kouwabunpat is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Pat Kouwabunpat's NPI active?
- Yes — Pat Kouwabunpat's NPI (1063625069) is active in the NPPES registry as of the last update on 2023-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.