Andrew Gerenraich, DO
NPI 1811571045 · Family Medicine Physician · Santa Cruz, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Gerenraich, DO is a Family Medicine Physician provider in Santa Cruz, CA (NPI 1811571045).
Provider details
- NPI number
- 1811571045
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 23190 (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
5 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
23 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 | 23 | $92 |
Typical Medicare-allowed amounts for these services range $92–$92 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 48 | 18 |
| Lisinopril | 27 | — |
| Furosemide | 20 | — |
| Losartan Potassium | 18 | — |
| Levothyroxine Sodium | 17 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 16 | — |
| Alendronate Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-05-12
- Last updated
- 2024-08-09
- Certified
- 2024-08-09
Frequently asked questions
- What is Andrew Gerenraich's NPI number?
- Andrew Gerenraich's National Provider Identifier (NPI) is 1811571045, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Gerenraich's specialty?
- Andrew Gerenraich is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Gerenraich located?
- Andrew Gerenraich's practice location on file with NPPES is 1119 Pacific Ave Ste 200, Santa Cruz, CA 95060-4464.
- What is Andrew Gerenraich's phone number?
- The practice phone number listed in the NPPES registry for Andrew Gerenraich is (831) 426-5550.
- Does Andrew Gerenraich accept Medicare?
- Andrew Gerenraich is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Gerenraich's NPI active?
- Yes — Andrew Gerenraich's NPI (1811571045) is active in the NPPES registry as of the last update on 2024-08-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.