MICHELLE FOX HUFFAKER MD
NPI 1407141641
Allergy & Immunology in Stanford, CA
About Michelle Fox Huffaker Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHELLE FOX HUFFAKER MD (NPI 1407141641) is an individual allergy & immunology provider in Stanford, California, licensed in California (A137264) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS, maintains a secondary practice location in Palo Alto, and is a graduate of Harvard Medical School (2011).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Location 1
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
Michelle Fox Huffaker 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
3Medicare enrollment records show Michelle Huffaker reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Stanford, CA 94305
- Reassigned Medicare billing, California enrollment
- 4,258 clinicians in this Medicare group
Palo Alto, CA 94304
- Reassigned Medicare billing, California enrollment
- 3,617 clinicians in this Medicare group
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 18 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 9
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.
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.
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.
STANFORD, CA 94305
STANFORD, CA 94305
STANFORD, CA 94305
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 Michelle Huffaker's NPI number?
The NPI number for Michelle Huffaker is 1407141641. It was assigned to this individual provider in the NPPES registry on June 16, 2011. The provider is also known as Michelle Caroline Fox M.D..
Where is Michelle Huffaker located?
Michelle Huffaker practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.
What is Michelle Huffaker's specialty?
The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.
Is Michelle Huffaker enrolled in Medicare?
Yes. Michelle Huffaker 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 Michelle Huffaker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michelle Huffaker reassigns Medicare benefits to 3 organizations: Stanford Health Care (Stanford, CA), Lpch Medical Group Div Of Lucile (Palo Alto, CA) and Allergy & Asthma Medical Group Of The Bay Area Inc (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 Michelle Huffaker'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 Michelle Huffaker was last updated on September 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Michelle Fox Huffaker, MD · NPI 1407141641
Allergy & Immunology physician in Stanford, California. Individual provider, active in the CMS NPPES registry since June 16, 2011.
## Identity
- **NPI:** 1407141641 (Entity type: Individual)
- **Enumerated:** June 16, 2011
- **Primary specialty:** Allergy & Immunology · taxonomy 207K00000X
- **State license:** A137264 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 PASTEUR DR, Stanford, CA 94305-2200
- **Phone:** (650) 723-4000
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Stanford Health Care (NPI 1437292927, Stanford, CA); Lpch Medical Group Div Of Lucile (NPI 1417907940, Palo Alto, CA); Allergy & Asthma Medical Group Of The Bay Area Inc (NPI 1871550590, Walnut Creek, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Harvard Medical School, class of 2011
## Record status
- **NPPES last updated:** September 4, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1407141641) · Data from the CMS NPPES public registry.