Tim Fitzer, MD
NPI 1801852686 · Family Medicine Physician · Berkeley, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tim Fitzer, MD is a Family Medicine Physician provider in Berkeley, CA (NPI 1801852686).
Provider details
- NPI number
- 1801852686
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A75920 (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
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
304 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 110 | $153 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 79 | $110 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 51 | $215 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 44 | $156 |
| Administration of Influenza Virus VaccineG0008 | 20 | $39 |
Typical Medicare-allowed amounts for these services range $39–$215 (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 · 70 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 237 | 75 |
| Amlodipine Besylate | 203 | 64 |
| Lisinopril | 147 | 41 |
| Losartan Potassium | 128 | 40 |
| Hydrochlorothiazide | 123 | 38 |
| Carvedilol | 98 | 26 |
| Allopurinol | 75 | 17 |
Practice location
Mailing address
Additional practice locations (1)
- 2500 Milvia StBerkeley, CA 94704-2636Phone: (510) 204-5600
Registry dates
- Enumerated
- 2006-04-21
- Last updated
- 2025-02-25
- Certified
- 2025-02-25
Frequently asked questions
- What is Tim Fitzer's NPI number?
- Tim Fitzer's National Provider Identifier (NPI) is 1801852686, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tim Fitzer's specialty?
- Tim Fitzer is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tim Fitzer located?
- Tim Fitzer's practice location on file with NPPES is 2636 Telegraph Ave, Berkeley, CA 94704-3322.
- What is Tim Fitzer's phone number?
- The practice phone number listed in the NPPES registry for Tim Fitzer is (510) 841-1647.
- Does Tim Fitzer accept Medicare?
- Tim Fitzer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tim Fitzer's NPI active?
- Yes — Tim Fitzer's NPI (1801852686) is active in the NPPES registry as of the last update on 2025-02-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.