ANN DIAMOND MD
NPI 1033137385
Family Medicine in Chelan, WA
About Ann Diamond Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANN DIAMOND MD (NPI 1033137385) is an individual family medicine provider in Chelan, Washington, licensed in Washington (MD00033304) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (1993).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 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 and accepts Medicare assignment
Ann Diamond Md 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
6Medicare enrollment records show Ann Diamond reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chelan, WA 98816
- Reassigned Medicare billing, Washington enrollment
- Medicare enrollment name: Chelan County Public Hospital District No 2
- 154 clinicians in this Medicare group
Chelan, WA 98816
- Reassigned Medicare billing, Washington enrollment
- 81 clinicians in this Medicare group
Wenatchee, WA 98801
- Reassigned Medicare billing, Washington enrollment
- 558 clinicians in this Medicare group
Ketchikan, AK 99901
- Reassigned Medicare billing, Alaska enrollment
- 156 clinicians in this Medicare group
Supai, AZ 86435
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Dhhs Ihs Phoenix Area
- 210 clinicians in this Medicare group
Teecnospos, AZ 86514
- Reassigned Medicare billing, Texas enrollment
- 572 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98816 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
CHELAN, WA 98816
CHELAN, WA 98816
CHELAN, WA 98816
CHELAN, WA 98816
CHELAN, WA 98816
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 Ann Diamond's NPI number?
The NPI number for Ann Diamond is 1033137385. It was assigned to this individual provider in the NPPES registry on July 17, 2006.
Where is Ann Diamond located?
Ann Diamond practices at 503 E Highland Ave, Chelan, WA 98816. The listed phone number is (509) 682-3300.
What is Ann Diamond's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Ann Diamond enrolled in Medicare?
Yes. Ann Diamond 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 Ann Diamond's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ann Diamond reassigns Medicare benefits to 6 organizations: Chelan County Public Hospital Dist No 2 (Chelan, WA), Columbia Valley Community Health (Chelan, WA), Wenatchee Valley Hospital (Wenatchee, WA), Peacehealth (Ketchikan, AK), Dhhs Ihs Phoenix (Supai, AZ) and 1 more organization, listed in the Medicare section above. 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 Ann Diamond's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ann Diamond accept?
Health plans from Moda Health Plan, Inc. and Premera Blue Cross Blue Shield of Alaska list Ann Diamond 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 Ann Diamond was last updated on July 26, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Ann Diamond, MD · NPI 1033137385
Family Medicine physician in Chelan, Washington. Individual provider, active in the CMS NPPES registry since July 17, 2006.
## Identity
- **NPI:** 1033137385 (Entity type: Individual)
- **Enumerated:** July 17, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** MD00033304 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 503 E HIGHLAND AVE, Chelan, WA 98816-8631
- **Phone:** (509) 682-3300
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Chelan County Public Hospital Dist No 2 (NPI 1831358696, Chelan, WA); Columbia Valley Community Health (NPI 1356374698, Chelan, WA); Wenatchee Valley Hospital (NPI 1669719688, Wenatchee, WA); Peacehealth (NPI 1801965736, Ketchikan, AK); Dhhs Ihs Phoenix (NPI 1184901829, Supai, AZ); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1993
## Record status
- **NPPES last updated:** July 26, 2019
- **Other identifiers:** Medicaid 000780 (WA); Other P01584564 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1033137385) · Data from the CMS NPPES public registry.