Adrian Chiem, MD
NPI 1508445248 · Obstetrics Physician · Boston, MA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Adrian Chiem, MD is a Obstetrics Physician provider in Boston, MA (NPI 1508445248).
Provider details
- NPI number
- 1508445248
- Entity type
- Individual
- Primary specialty
- Obstetrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2021-04-07
- Last updated
- 2025-07-08
- Certified
- 2025-07-08
Frequently asked questions
- What is Adrian Chiem's NPI number?
- Adrian Chiem's National Provider Identifier (NPI) is 1508445248, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Adrian Chiem's specialty?
- Adrian Chiem is listed in the NPPES registry with a primary specialty of Obstetrics Physician (Allopathic & Osteopathic Physicians).
- Where is Adrian Chiem located?
- Adrian Chiem's practice location on file with NPPES is 75 Francis St, Boston, MA 02115-6110.
- What is Adrian Chiem's phone number?
- The practice phone number listed in the NPPES registry for Adrian Chiem is (617) 732-4806.
- Does Adrian Chiem accept Medicare?
- Adrian Chiem is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Adrian Chiem's NPI active?
- Yes — Adrian Chiem's NPI (1508445248) is active in the NPPES registry as of the last update on 2025-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.