WILLIAM CHEN DO
NPI 1720575871
Family Medicine in Farmington, NM
About William Chen Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM CHEN DO (NPI 1720575871) is an individual family medicine provider in Farmington, New Mexico, licensed in New Mexico (DO2024-0004) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with San Juan Regional Medical Center Inc, and is a graduate of Touro Un College Of Osteopathic Medicine, Vallejo (2018).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
William Chen Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show William Chen reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bloomfield, NM 87413
- Reassigned Medicare billing, Texas enrollment
- 572 clinicians in this Medicare group
Espanola, NM 87532
- Reassigned Medicare billing, New Mexico enrollment
- 322 clinicians in this Medicare group
Indio, CA 92201
- Reassigned Medicare billing, California enrollment
- 404 clinicians in this Medicare group
Fairfield, CA 94534
- Reassigned Medicare billing, California enrollment
- 225 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
San Juan Regional Medical Center Inc
Acute Care Hospitals · Farmington, NMPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 87401 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FARMINGTON, NM 87401
FARMINGTON, NM 87401
FARMINGTON, NM 87401
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 William Chen's NPI number?
The NPI number for William Chen is 1720575871. It was assigned to this individual provider in the NPPES registry on April 15, 2018.
Where is William Chen located?
William Chen practices at 1001 W Broadway Ste D&e, Farmington, NM 87401. The listed phone number is (505) 327-4796.
What is William Chen's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is William Chen enrolled in Medicare?
Yes. William Chen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for William Chen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Chen reassigns Medicare benefits to 4 organizations: Dhhs, Phs, Naihs, Shiprock Hospital (Bloomfield, NM), Presbyterian Medical Services (Espanola, NM), St. John's Community Health (Indio, CA) and Northbay Health Medical Foundation (Fairfield, CA). 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 William Chen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is William Chen affiliated with any hospitals?
According to CMS data, William Chen is affiliated with San Juan Regional Medical Center Inc.
When was this NPI record last updated?
The NPPES record for William Chen was last updated on January 11, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# William Chen, DO · NPI 1720575871
Family Medicine physician in Farmington, New Mexico. Individual provider, active in the CMS NPPES registry since April 15, 2018.
## Identity
- **NPI:** 1720575871 (Entity type: Individual)
- **Enumerated:** April 15, 2018
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** DO2024-0004 (New Mexico)
- **Sole proprietor:** No
## Practice location
- **Address:** 1001 W BROADWAY STE D&E, Farmington, NM 87401-5638
- **Phone:** (505) 327-4796 · **Fax:** (505) 599-9351
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Dhhs, Phs, Naihs, Shiprock Hospital (NPI 1760427587, Bloomfield, NM); Presbyterian Medical Services (NPI 1306175922, Espanola, NM); St. John's Community Health (NPI 1609624980, Indio, CA); Northbay Health Medical Foundation (NPI 1760283527, Fairfield, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Touro Un College Of Osteopathic Medicine, Vallejo, class of 2018
## Record status
- **NPPES last updated:** January 11, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1720575871) · Data from the CMS NPPES public registry.