SUSAN AMBER CUMMINGS MD
NPI 1619946514
Internal Medicine - Gastroenterology in Redwood City, CA
About Susan Amber Cummings Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SUSAN AMBER CUMMINGS MD (NPI 1619946514) is an individual gastroenterology provider in Redwood City, California, licensed in California (G47562) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in San Jose, and is a graduate of Other (1979).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 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
Susan Amber Cummings 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
2Medicare enrollment records show Susan Cummings reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Palo Alto, CA 94306
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1043354020 (California), NPI 1629301346 (California)
- 2,460 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 82 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 2
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 94062 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
REDWOOD CITY, CA 94062
REDWOOD CITY, CA 94062
REDWOOD CITY, CA 94062
REDWOOD CITY, CA 94062
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 Susan Cummings's NPI number?
The NPI number for Susan Cummings is 1619946514. It was assigned to this individual provider in the NPPES registry on March 14, 2006.
Where is Susan Cummings located?
Susan Cummings practices at 2900 Whipple Ave Ste 245, Redwood City, CA 94062. The listed phone number is (650) 365-3700.
What is Susan Cummings's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Susan Cummings enrolled in Medicare?
Yes. Susan Cummings 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 Susan Cummings's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Susan Cummings reassigns Medicare benefits to 2 organizations: County Of Santa Clara (Palo Alto, CA) and Regents Of The University Of California - Ucsf (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 Susan Cummings'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 Susan Cummings was last updated on July 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Susan Amber Cummings, MD · NPI 1619946514
Gastroenterology physician in Redwood City, California. Individual provider, active in the CMS NPPES registry since March 14, 2006.
## Identity
- **NPI:** 1619946514 (Entity type: Individual)
- **Enumerated:** March 14, 2006
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** G47562 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2900 WHIPPLE AVE STE 245, Redwood City, CA 94062-2851
- **Phone:** (650) 365-3700
## 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): County Of Santa Clara (NPI 1144330614, Palo Alto, CA); Regents Of The University Of California - Ucsf (NPI 1265890263, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1979
## Record status
- **NPPES last updated:** July 15, 2026
- **Other identifiers:** Medicaid 00G475620 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1619946514) · Data from the CMS NPPES public registry.