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DAVID MICHAEL CHATHAM M.D., L.AC.
NPI 1790992824
Acupuncturist in Bellevue, WA

Active since May 17, 2007PECOS Enrolled
14810 LAKE HILLS BLVD STE A-2, BELLEVUE, WA 98007(425) 985-4576(425) 373-1416 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About David Michael Chatham M.d., L.ac. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DAVID MICHAEL CHATHAM M.D., L.AC. (NPI 1790992824) is an individual acupuncturist in Bellevue, Washington, licensed in Washington (502) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1790992824
Entity TypeIndividualMale
Primary Taxonomy171100000X
Provider Legal NameDAVID MICHAEL CHATHAMCredential: M.D., L.AC.
Location Address14810 LAKE HILLS BLVD STE A-2Bellevue, WA 98007-5821
Mailing Address14810 Se Lake Hills Blvd., Suite A-2Bellevue, WA 98007-5821 · (425) 985-4576 · Fax (425) 373-1416
Phone(425) 985-4576
Fax(425) 373-1416
Sole ProprietorYes
Enumeration DateMay 17, 2007
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1790992824 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAcupuncturistOther Service Providers
Taxonomy Code171100000X
License✔ Licensed in WA · 502
Definition
An acupuncturist is a person who performs ancient therapy for alleviation of pain, anesthesia and treatment of some diseases. Acupuncturists use long, fine needles inserted into specific points in order to treat painful conditions or produce anesthesia.
Also ListedGeneral PracticeTaxonomy 208D00000X · License 29819 (WA)

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

David Michael Chatham M.d., L.ac. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show David Chatham reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Therapeutic Health Services
Methadone
1305 SENECA ST
Seattle, WA 98101
  • Reassigned Medicare billing, Washington enrollment
  • 26 clinicians in this Medicare group
NPI 1053400077 (206) 323-0930

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 David Chatham's NPI number?

The NPI number for David Chatham is 1790992824. It was assigned to this individual provider in the NPPES registry on May 17, 2007.

Where is David Chatham located?

David Chatham practices at 14810 Lake Hills Blvd Ste A-2, Bellevue, WA 98007. The listed phone number is (425) 985-4576.

What is David Chatham's specialty?

The primary specialty registered for this NPI is Acupuncturist with taxonomy code 171100000X.

Is David Chatham enrolled in Medicare?

Yes. David Chatham is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for David Chatham's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David Chatham reassigns Medicare benefits to Therapeutic Health Services (Seattle, WA). The 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 David Chatham's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for David Chatham was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.