Peter Kao, MD
NPI 1275611188 · Allergy & Immunology Physician · Stockton, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Kao, MD is a Allergy & Immunology Physician provider in Stockton, CA (NPI 1275611188).
Provider details
- NPI number
- 1275611188
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A82545 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azelastine Hcl | 62 | 23 |
| Fluticasone Propionate | 40 | 18 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 37 | 21 |
| Ciclesonidebrand: Alvesco | 28 | — |
| Budesonide/Formoterol Fumaratebrand: Breyna | 27 | — |
| Montelukast Sodium | 23 | — |
| Ipratropium Bromide | 21 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2021-12-13
Frequently asked questions
- What is Peter Kao's NPI number?
- Peter Kao's National Provider Identifier (NPI) is 1275611188, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Kao's specialty?
- Peter Kao is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Kao located?
- Peter Kao's practice location on file with NPPES is 7373 West Ln, Stockton, CA 95210-3377.
- What is Peter Kao's phone number?
- The practice phone number listed in the NPPES registry for Peter Kao is (209) 476-2000.
- Does Peter Kao accept Medicare?
- Peter Kao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Kao's NPI active?
- Yes — Peter Kao's NPI (1275611188) is active in the NPPES registry as of the last update on 2021-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.