ANDREW JOSEPH MERRIMAN M.D.
NPI 1467846444
Emergency Medicine in Santa Rosa, CA
About Andrew Joseph Merriman M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANDREW JOSEPH MERRIMAN M.D. (NPI 1467846444) is an individual emergency medicine provider in Santa Rosa, California, licensed in California (A147107) and active in the NPI registry since March 2015. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Baylor College Of Medicine (2015).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Andrew Joseph Merriman 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
5Medicare enrollment records show Andrew Merriman reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Santa Rosa, CA 95405
- Reassigned Medicare billing, California enrollment
- 1,699 clinicians in this Medicare group
Vallejo, CA 94589
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
San Francisco, CA 94109
- Reassigned Medicare billing, California enrollment
- 155 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 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 5
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 95405 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.
SANTA ROSA, CA 95405
SANTA ROSA, CA 95405
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 Andrew Merriman's NPI number?
The NPI number for Andrew Merriman is 1467846444. It was assigned to this individual provider in the NPPES registry on March 26, 2015.
Where is Andrew Merriman located?
Andrew Merriman practices at 1165 Montgomery Dr, Santa Rosa, CA 95405. The listed phone number is (707) 525-5300.
What is Andrew Merriman's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Andrew Merriman enrolled in Medicare?
Yes. Andrew Merriman 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 Andrew Merriman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Merriman reassigns Medicare benefits to 5 organizations: Providence Medical Foundation (Santa Rosa, CA), Permanente Medical Group Inc (Vallejo, CA), San Francisco Emergency Medical Associates (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and University Of California San Francisco (San Francisco, 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 Andrew Merriman'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 Andrew Merriman was last updated on July 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Andrew Joseph Merriman, M.D. · NPI 1467846444
Emergency Medicine physician in Santa Rosa, California. Individual provider, active in the CMS NPPES registry since March 26, 2015.
## Identity
- **NPI:** 1467846444 (Entity type: Individual)
- **Enumerated:** March 26, 2015
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A147107 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1165 MONTGOMERY DR, Santa Rosa, CA 95405-4801
- **Phone:** (707) 525-5300
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Providence Medical Foundation (NPI 1740584473, Santa Rosa, CA); Permanente Medical Group Inc (NPI 1336222397, Vallejo, CA); San Francisco Emergency Medical Associates (NPI 1134110661, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); University Of California San Francisco (NPI 1164512851, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Baylor College Of Medicine, class of 2015
## Record status
- **NPPES last updated:** July 5, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1467846444) · Data from the CMS NPPES public registry.