CRYSTAL HAN M.D.
NPI 1922539352
Psychiatry & Neurology - Child & Adolescent Psychiatry in Cambridge, MA
About Crystal Han M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CRYSTAL HAN M.D. (NPI 1922539352) is an individual child & adolescent psychiatry provider in Cambridge, Massachusetts, licensed in Massachusetts (291689) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Crystal Han M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Crystal Han reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CAMBRIDGE, MA 02138
CAMBRIDGE, MA 02138
CAMBRIDGE, MA 02138
CAMBRIDGE, MA 02138
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Crystal Han's NPI number?
The NPI number for Crystal Han is 1922539352. It was assigned to this individual provider in the NPPES registry on March 27, 2017.
Where is Crystal Han located?
Crystal Han practices at 75 Mount Auburn St, Cambridge, MA 02138. The listed phone number is (608) 469-2591.
What is Crystal Han's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.
Is Crystal Han enrolled in Medicare?
Yes. Crystal Han is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Crystal Han's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Crystal Han reassigns Medicare benefits to 2 organizations: Massachusetts General Physicians Organization Inc (Boston, MA) and The General Hospital Corporation (Boston, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Crystal Han's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Crystal Han accept?
Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and WellSense Health Plan list Crystal Han as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Crystal Han was last updated on June 27, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Crystal Han, M.D. · NPI 1922539352
Child & Adolescent Psychiatry physician in Cambridge, Massachusetts. Individual provider, active in the CMS NPPES registry since March 27, 2017.
## Identity
- **NPI:** 1922539352 (Entity type: Individual)
- **Enumerated:** March 27, 2017
- **Primary specialty:** Psychiatry & Neurology - Child & Adolescent Psychiatry · taxonomy 2084P0804X
- **State license:** 291689 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 75 MOUNT AUBURN ST, Cambridge, MA 02138-4960
- **Phone:** (608) 469-2591
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 27, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1922539352) · Data from the CMS NPPES public registry.