John Nimtz, MD
NPI 1851341804 · Anesthesiology Physician · Santa Rosa, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Nimtz, MD is a Anesthesiology Physician provider in Santa Rosa, CA (NPI 1851341804).
Provider details
- NPI number
- 1851341804
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- G44002 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
186 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) |
|---|---|---|
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 68 | $133 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 33 | $139 |
| Anesthesia for Retinal Surgery00145 | 32 | $208 |
| Anesthesia for Procedure on Nerves, Muscles, Tendons, and Tissue of Forearm, Wrist, and Hand01810 | 24 | $165 |
| Injection of Anesthetic Agent And/Or Steroid Into Arm Nerve Bundle (brachial Plexus)64415 | 16 | $70 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 13 | $174 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 49 | 27 |
| Amlodipine Besylate | 30 | 18 |
| Tamsulosin Hcl | 23 | — |
| Levothyroxine Sodium | 20 | 13 |
| Sertraline Hcl | 19 | — |
| Pantoprazole Sodium | 19 | 11 |
| Losartan Potassium |
Practice location
Mailing address
Additional practice locations (1)
- 510 Doyle Park DrSanta Rosa, CA 95405-4570Phone: (707) 303-8366
Registry dates
- Enumerated
- 2006-05-11
- Last updated
- 2021-11-09
- Certified
- 2021-11-09
Frequently asked questions
- What is John Nimtz's NPI number?
- John Nimtz's National Provider Identifier (NPI) is 1851341804, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Nimtz's specialty?
- John Nimtz is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Nimtz located?
- John Nimtz's practice location on file with NPPES is 1165 Montgomery Dr, Santa Rosa, CA 95405-4801.
- What is John Nimtz's phone number?
- The practice phone number listed in the NPPES registry for John Nimtz is (707) 546-3210.
- Does John Nimtz accept Medicare?
- John Nimtz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Nimtz's NPI active?
- Yes — John Nimtz's NPI (1851341804) is active in the NPPES registry as of the last update on 2021-11-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.