GREGG AARON MILLER M.D.
NPI 1386756807
Emergency Medicine in San Francisco, CA
About Gregg Aaron Miller M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGG AARON MILLER M.D. (NPI 1386756807) is an individual emergency medicine provider in San Francisco, California, licensed in California (A90325) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Swedish Edmonds Hospital, and is a graduate of University Of California, San Francisco School Of Medicine (2003).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Gregg Aaron Miller M.d. 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
2Medicare enrollment records show Gregg Miller reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Longview, WA 98632
- Reassigned Medicare billing, Washington and Texas enrollments
- Also billed through NPI 1134761331 (Texas)
- 106 clinicians in this Medicare group
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 663 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 4
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.
Swedish Edmonds Hospital
Acute Care Hospitals · Edmonds, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94109 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.
SAN FRANCISCO, CA 94109
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 Gregg Miller's NPI number?
The NPI number for Gregg Miller is 1386756807. It was assigned to this individual provider in the NPPES registry on August 31, 2006.
Where is Gregg Miller located?
Gregg Miller practices at 900 Hyde St, San Francisco, CA 94109. The listed phone number is (415) 353-6613.
What is Gregg Miller's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Gregg Miller enrolled in Medicare?
Yes. Gregg Miller 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 Gregg Miller's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregg Miller reassigns Medicare benefits to 2 organizations: Cep America LLC (Longview, WA) and Swedish Health Services (Seattle, WA). 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 Gregg Miller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gregg Miller accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Gregg Miller 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.
Is Gregg Miller affiliated with any hospitals?
According to CMS data, Gregg Miller is affiliated with Swedish Edmonds Hospital.
When was this NPI record last updated?
The NPPES record for Gregg Miller was last updated on December 12, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Gregg Aaron Miller, M.D. · NPI 1386756807
Emergency Medicine physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since August 31, 2006.
## Identity
- **NPI:** 1386756807 (Entity type: Individual)
- **Enumerated:** August 31, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A90325 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 900 HYDE ST, San Francisco, CA 94109-4806
- **Phone:** (415) 353-6613
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Cep America LLC (NPI 1548920598, Longview, WA); Swedish Health Services (NPI 1619680840, Seattle, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Francisco School Of Medicine, class of 2003
## Record status
- **NPPES last updated:** December 12, 2019
- **Other identifiers:** Medicaid 00A903250 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1386756807) · Data from the CMS NPPES public registry.