DR. VANESSA GRUBBS M.D.
NPI 1477567717
Internal Medicine in San Francisco, CA
About Dr. Vanessa Grubbs M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. VANESSA GRUBBS M.D. (NPI 1477567717) is an individual internal medicine provider in San Francisco, California, licensed in California (A72945) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of Duke University School Of Medicine (1997).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Dr. Vanessa Grubbs 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 Vanessa Grubbs reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94110
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1063487122 (California)
- 637 clinicians in this Medicare group
Oakland, CA 94607
- Reassigned Medicare billing, California enrollment
- 48 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 94143 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
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 Vanessa Grubbs's NPI number?
The NPI number for Vanessa Grubbs is 1477567717. It was assigned to this individual provider in the NPPES registry on July 29, 2006.
Where is Vanessa Grubbs located?
Vanessa Grubbs practices at 400 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 353-4624.
What is Vanessa Grubbs's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Vanessa Grubbs enrolled in Medicare?
Yes. Vanessa Grubbs 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 Vanessa Grubbs's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Vanessa Grubbs reassigns Medicare benefits to 2 organizations: University Of California Sfgh Medical Group (San Francisco, CA) and The West Oakland Health Council (Oakland, 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 Vanessa Grubbs'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 Vanessa Grubbs was last updated on May 28, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Dr. Vanessa Grubbs, M.D. · NPI 1477567717
Internal Medicine physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since July 29, 2006.
## Identity
- **NPI:** 1477567717 (Entity type: Individual)
- **Enumerated:** July 29, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A72945 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 400 PARNASSUS AVE, San Francisco, CA 94143-2202
- **Phone:** (415) 353-4624
## 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): University Of California Sfgh Medical Group (NPI 1356696215, San Francisco, CA); The West Oakland Health Council (NPI 1215058938, Oakland, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Duke University School Of Medicine, class of 1997
## Record status
- **NPPES last updated:** May 28, 2009
- **Other identifiers:** Medicare PIN 00A729450 (CA); Medicaid 00A729450 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1477567717) · Data from the CMS NPPES public registry.