Matthew Kirk, M.D.
NPI 1215370846 · Family Medicine Physician · Santa Rosa, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Kirk, M.D. is a Family Medicine Physician provider in Santa Rosa, CA (NPI 1215370846).
Provider details
- NPI number
- 1215370846
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 0116028936 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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 · 125 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 583 | 204 |
| Lisinopril | 281 | 104 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 230 | 45 |
| Losartan Potassium | 203 | 75 |
| Amlodipine Besylate | 195 | 70 |
| Tamsulosin Hcl | 190 | 71 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-04-13
- Last updated
- 2024-10-03
- Certified
- 2024-10-03
Frequently asked questions
- What is Matthew Kirk's NPI number?
- Matthew Kirk's National Provider Identifier (NPI) is 1215370846, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Kirk's specialty?
- Matthew Kirk is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Kirk located?
- Matthew Kirk's practice location on file with NPPES is 401 Bicentennial Way Ste 250, Santa Rosa, CA 95403-2149.
- What is Matthew Kirk's phone number?
- The practice phone number listed in the NPPES registry for Matthew Kirk is (707) 393-4000.
- Does Matthew Kirk accept Medicare?
- Matthew Kirk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Kirk's NPI active?
- Yes — Matthew Kirk's NPI (1215370846) is active in the NPPES registry as of the last update on 2024-10-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.