Marie Tumusok, M.D.
NPI 1437340015 · Internal Medicine Physician · Davis, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marie Tumusok, M.D. is a Internal Medicine Physician provider in Davis, CA (NPI 1437340015).
Provider details
- NPI number
- 1437340015
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A98755 (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
18 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
1,170 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 | 364 | $134 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 258 | $137 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 229 | $96 |
| Administration of Influenza Virus VaccineG0008 | 88 | $34 |
| Admn Sarscov2 Vacc 1 Dose90480 | 50 | $46 |
| Physician Or Allowed Practitioner Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians and |
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 | 503 | 135 |
| Levothyroxine Sodium | 364 | 91 |
| Amlodipine Besylate | 346 | 97 |
| Gabapentin | 299 | 93 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 244 | 40 |
| Losartan Potassium | 222 | 65 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-08-07
- Last updated
- 2015-07-07
Frequently asked questions
- What is Marie Tumusok's NPI number?
- Marie Tumusok's National Provider Identifier (NPI) is 1437340015, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marie Tumusok's specialty?
- Marie Tumusok is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marie Tumusok located?
- Marie Tumusok's practice location on file with NPPES is 2030 Sutter Place, Davis, CA 95616-6212.
- What is Marie Tumusok's phone number?
- The practice phone number listed in the NPPES registry for Marie Tumusok is (530) 750-5904.
- Does Marie Tumusok accept Medicare?
- Marie Tumusok is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marie Tumusok's NPI active?
- Yes — Marie Tumusok's NPI (1437340015) is active in the NPPES registry as of the last update on 2015-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.