MAMTA MADHAV SHAH MBBS
NPI 1255624045
Internal Medicine - Nephrology in Stanford, CA
About Mamta Madhav Shah Mbbs NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MAMTA MADHAV SHAH MBBS (NPI 1255624045) is an individual nephrology provider in Stanford, California, licensed in California (C182785) and active in the NPI registry since May 2011. She is enrolled in Medicare PECOS, maintains a secondary practice location in Farmington, and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses 2
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
Mamta Madhav Shah Mbbs 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 Mamta Shah reassigns Medicare billing to 2 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
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 10
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 94305 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.
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 Mamta Shah's NPI number?
The NPI number for Mamta Shah is 1255624045. It was assigned to this individual provider in the NPPES registry on May 26, 2011.
Where is Mamta Shah located?
Mamta Shah practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.
What is Mamta Shah's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Mamta Shah enrolled in Medicare?
Yes. Mamta Shah 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 Mamta Shah's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mamta Shah reassigns Medicare benefits to 2 organizations: Stanford Health Care (Stanford, CA) and Lpch Medical Group Div Of Lucile (Palo Alto, 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 Mamta Shah'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 Mamta Shah was last updated on April 23, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Mamta Madhav Shah, MBBS · NPI 1255624045
Nephrology physician in Stanford, California. Individual provider, active in the CMS NPPES registry since May 26, 2011.
## Identity
- **NPI:** 1255624045 (Entity type: Individual)
- **Enumerated:** May 26, 2011
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **State license:** C182785 (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:** 2 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) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** April 23, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1255624045) · Data from the CMS NPPES public registry.