Thomas Yohannan, M.D.
NPI 1396034096 · Diagnostic Radiology Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Yohannan, M.D. is a Diagnostic Radiology Physician provider in Stanford, CA (NPI 1396034096).
Provider details
- NPI number
- 1396034096
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 59915-20 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 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
1,197 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) |
|---|---|---|
| Nuclear Medicine Study From Skull Base to Mid-Thigh With Ct Scan78815 | 268 | $401 |
| Nuclear Medicine Study From Skull Base to Mid-Thigh78812 | 114 | $325 |
| Nuclear Medicine Study Whole Body With Ct Scan78816 | 103 | $577 |
| Ct Scan of Chest With Contrast71260 | 100 | $82 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 91 | $144 |
| Fluorodeoxyglucose F-18 Fdg, Diagnostic, Per Study Dose, Up to 45 MillicuriesA9552 | 81 | $353 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-04-04
- Last updated
- 2022-01-14
- Certified
- 2022-01-14
Frequently asked questions
- What is Thomas Yohannan's NPI number?
- Thomas Yohannan's National Provider Identifier (NPI) is 1396034096, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Yohannan's specialty?
- Thomas Yohannan is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Yohannan located?
- Thomas Yohannan's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Thomas Yohannan's phone number?
- The practice phone number listed in the NPPES registry for Thomas Yohannan is (650) 723-4000.
- Does Thomas Yohannan accept Medicare?
- Thomas Yohannan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Yohannan's NPI active?
- Yes — Thomas Yohannan's NPI (1396034096) is active in the NPPES registry as of the last update on 2022-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.