Thomas Mundorff, MD
NPI 1154385383 · Internal Medicine Physician · Oroville, CA
Thomas Mundorff, MD is a Internal Medicine Physician provider in Oroville, CA (NPI 1154385383).
Provider details
- NPI number
- 1154385383
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G25438 (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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
547 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 | 531 | $92 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 16 | $222 |
Typical Medicare-allowed amounts for these services range $92–$222 (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 · 58 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 124 | 23 |
| Furosemide | 107 | 31 |
| Amlodipine Besylate | 106 | 33 |
| Atorvastatin Calcium | 103 | 32 |
| Sertraline Hcl | 86 | 22 |
| Omeprazole | 86 | 22 |
| Trazodone Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-14
- Last updated
- 2023-03-07
Frequently asked questions
- What is Thomas Mundorff's NPI number?
- Thomas Mundorff's National Provider Identifier (NPI) is 1154385383, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Mundorff's specialty?
- Thomas Mundorff is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Mundorff located?
- Thomas Mundorff's practice location on file with NPPES is 2721 Olive Hwy, Oroville, CA 95966.
- What is Thomas Mundorff's phone number?
- The practice phone number listed in the NPPES registry for Thomas Mundorff is (530) 533-6061.
- Is Thomas Mundorff's NPI active?
- Yes — Thomas Mundorff's NPI (1154385383) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.