Ahchean Chen, MD
NPI 1548202773 · Anatomic Pathology & Clinical Pathology Physician · Vallejo, CA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ahchean Chen, MD is a Anatomic Pathology & Clinical Pathology Physician provider in Vallejo, CA (NPI 1548202773).
Provider details
- NPI number
- 1548202773
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 100023261 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-12
- Last updated
- 2022-01-10
Frequently asked questions
- What is Ahchean Chen's NPI number?
- Ahchean Chen's National Provider Identifier (NPI) is 1548202773, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ahchean Chen's specialty?
- Ahchean Chen is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Ahchean Chen located?
- Ahchean Chen's practice location on file with NPPES is 975 Sereno Dr, Vallejo, CA 94589-2441.
- What is Ahchean Chen's phone number?
- The practice phone number listed in the NPPES registry for Ahchean Chen is (707) 651-2174.
- Does Ahchean Chen accept Medicare?
- Ahchean Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ahchean Chen's NPI active?
- Yes — Ahchean Chen's NPI (1548202773) is active in the NPPES registry as of the last update on 2022-01-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.