Crystal Han, M.D.
NPI 1922539352 · Child & Adolescent Psychiatry Physician · Cambridge, MA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Crystal Han, M.D. is a Child & Adolescent Psychiatry Physician provider in Cambridge, MA (NPI 1922539352).
Provider details
- NPI number
- 1922539352
- Entity type
- Individual
- Primary specialty
- Child & Adolescent Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
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
9 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
- 2017-03-27
- Last updated
- 2022-06-27
- Certified
- 2022-06-27
Frequently asked questions
- What is Crystal Han's NPI number?
- Crystal Han's National Provider Identifier (NPI) is 1922539352, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Crystal Han's specialty?
- Crystal Han is listed in the NPPES registry with a primary specialty of Child & Adolescent Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Crystal Han located?
- Crystal Han's practice location on file with NPPES is 75 Mount Auburn St, Cambridge, MA 02138-4960.
- What is Crystal Han's phone number?
- The practice phone number listed in the NPPES registry for Crystal Han is (608) 469-2591.
- Does Crystal Han accept Medicare?
- Crystal Han is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Crystal Han's NPI active?
- Yes — Crystal Han's NPI (1922539352) is active in the NPPES registry as of the last update on 2022-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.