Marin Muller, MD
NPI 1619970118 · Specialist · Santa Cruz, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marin Muller, MD is a Specialist provider in Santa Cruz, CA (NPI 1619970118).
Provider details
- NPI number
- 1619970118
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A53373 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
21 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
1,309 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 | 381 | $137 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 231 | $17 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 202 | $139 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 138 | $192 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 95 | $98 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 134 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 629 | 188 |
| Lisinopril | 275 | 74 |
| Rosuvastatin Calcium | 264 | 76 |
| Levothyroxine Sodium | 234 | 54 |
| Amlodipine Besylate | 233 | 74 |
| Gabapentin | 229 | 73 |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-05-27
- Last updated
- 2011-12-02
Frequently asked questions
- What is Marin Muller's NPI number?
- Marin Muller's National Provider Identifier (NPI) is 1619970118, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marin Muller's specialty?
- Marin Muller is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Marin Muller located?
- Marin Muller's practice location on file with NPPES is 2025 Soquel Ave, Santa Cruz, CA 95062-1323.
- What is Marin Muller's phone number?
- The practice phone number listed in the NPPES registry for Marin Muller is (831) 458-5597.
- Does Marin Muller accept Medicare?
- Marin Muller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marin Muller's NPI active?
- Yes — Marin Muller's NPI (1619970118) is active in the NPPES registry as of the last update on 2011-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.