Ira Chan, M.D.
NPI 1972618866 · Obstetrics & Gynecology Physician · Sunnyvale, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ira Chan, M.D. is a Obstetrics & Gynecology Physician provider in Sunnyvale, CA (NPI 1972618866).
Provider details
- NPI number
- 1972618866
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G133888 (CA)
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 tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 885 Washington StBoston, MA 02111-1415Phone: (617) 482-7555Fax: (617) 482-2930
Registry dates
- Enumerated
- 2006-08-20
- Last updated
- 2018-03-17
Frequently asked questions
- What is Ira Chan's NPI number?
- Ira Chan's National Provider Identifier (NPI) is 1972618866, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ira Chan's specialty?
- Ira Chan is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Ira Chan located?
- Ira Chan's practice location on file with NPPES is 301 Old San Francisco Rd, Sunnyvale, CA 94086-6386.
- What is Ira Chan's phone number?
- The practice phone number listed in the NPPES registry for Ira Chan is (408) 730-4240.
- Does Ira Chan accept Medicare?
- Ira Chan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ira Chan's NPI active?
- Yes — Ira Chan's NPI (1972618866) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.