DR. MELISSA BUTCHER MILLAR M.D.
NPI 1417361981
Anesthesiology in San Diego, CA
About Dr. Melissa Butcher Millar M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MELISSA BUTCHER MILLAR M.D. (NPI 1417361981) is an individual anesthesiology provider in San Diego, California, licensed in California (A156826) and active in the NPI registry since June 2014. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Saint Louis University School Of Medicine (2014).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
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
Dr. Melissa Butcher Millar 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 Melissa Millar reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- 251 clinicians in this Medicare group
San Diego, CA 92108
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Laguna Hills, CA 92653
- Reassigned Medicare billing, California enrollment
- 833 clinicians in this Medicare group
Los Angeles, CA 90048
- Reassigned Medicare billing, California enrollment
- 2,118 clinicians in this Medicare group
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 810 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.
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.
Patient Reviews User submitted
Reviews are submitted by site visitors and approved by a human moderator before publication.
Review by Tim Stewart May 22, 2024
5/5Other 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 DIEGO, CA 92103
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
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 Melissa Millar's NPI number?
The NPI number for Melissa Millar is 1417361981. It was assigned to this individual provider in the NPPES registry on June 12, 2014.
Where is Melissa Millar located?
Melissa Millar practices at 200 W Arbor Dr, San Diego, CA 92103. The listed phone number is (800) 926-8273.
What is Melissa Millar's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Melissa Millar enrolled in Medicare?
Yes. Melissa Millar 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 Melissa Millar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Millar reassigns Medicare benefits to 5 organizations: Regents Of The University Of California (San Diego, CA), Southern California Permanente Medical Group (San Diego, CA), Cep America - Anesthesia PC (Laguna Hills, CA), Cedars-Sinai Medical Care Foundation (Los Angeles, CA) and John Muir Trauma Physicians Billing Service (Walnut Creek, 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 Melissa Millar'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 Melissa Millar was last updated on March 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Dr. Melissa Butcher Millar, M.D. · NPI 1417361981
Anesthesiology physician in San Diego, California. Individual provider, active in the CMS NPPES registry since June 12, 2014.
## Identity
- **NPI:** 1417361981 (Entity type: Individual)
- **Enumerated:** June 12, 2014
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A156826 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 200 W ARBOR DR, San Diego, CA 92103-9000
- **Phone:** (800) 926-8273 · **Fax:** (888) 539-8781
## 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): Regents Of The University Of California (NPI 1356444897, San Diego, CA); Southern California Permanente Medical Group (NPI 1023425972, San Diego, CA); Cep America - Anesthesia PC (NPI 1861373631, Laguna Hills, CA); Cedars-Sinai Medical Care Foundation (NPI 1316984388, Los Angeles, CA); John Muir Trauma Physicians Billing Service (NPI 1093864837, Walnut Creek, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Saint Louis University School Of Medicine, class of 2014
## Record status
- **NPPES last updated:** March 2, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1417361981) · Data from the CMS NPPES public registry.