Maureen Chapman, MD
NPI 1336566702 · Diagnostic Radiology Physician · Fremont, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maureen Chapman, MD is a Diagnostic Radiology Physician provider in Fremont, CA (NPI 1336566702).
Provider details
- NPI number
- 1336566702
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A138636 (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
12 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
2,540 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) |
|---|---|---|
| Screening Mammography77067 | 658 | $168 |
| Screening 3d Breast Mammography77063 | 649 | $65 |
| X-Ray of Chest, 2 Views71046 | 124 | $44 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 57 | $414 |
| Limited Ultrasound Scan of Abdomen76705 | 57 | $113 |
| Ultrasound Scan of Head and Neck Soft Tissue76536 | 56 | $147 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-03-24
- Last updated
- 2020-06-18
- Certified
- 2020-06-18
Frequently asked questions
- What is Maureen Chapman's NPI number?
- Maureen Chapman's National Provider Identifier (NPI) is 1336566702, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maureen Chapman's specialty?
- Maureen Chapman is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Maureen Chapman located?
- Maureen Chapman's practice location on file with NPPES is 3200 Kearney St, Fremont, CA 94538-2299.
- What is Maureen Chapman's phone number?
- The practice phone number listed in the NPPES registry for Maureen Chapman is (510) 498-2770.
- Does Maureen Chapman accept Medicare?
- Maureen Chapman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maureen Chapman's NPI active?
- Yes — Maureen Chapman's NPI (1336566702) is active in the NPPES registry as of the last update on 2020-06-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.