DR. NANCY ALLEN PHD, MD (5/2016)
NPI 1912351651
Internal Medicine - Critical Care Medicine in West Hollywood, CA
About Dr. Nancy Allen Phd, Md (5/2016) NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NANCY ALLEN PHD, MD (5/2016) (NPI 1912351651) is an individual critical care medicine provider in West Hollywood, California, licensed in California (A154450) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS and is a graduate of Yale University School Of Medicine (2016).
NPPES Registry Identity
Specialties & Licenses
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. Nancy Allen Phd, Md (5/2016) 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 Nancy Allen reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Santa Clara, CA 95051
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 723 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 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 90048 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 Nancy Allen's NPI number?
The NPI number for Nancy Allen is 1912351651. It was assigned to this individual provider in the NPPES registry on April 19, 2016.
Where is Nancy Allen located?
Nancy Allen practices at 8700 Beverly Blvd Fl 7, West Hollywood, CA 90048. The listed phone number is (310) 423-4685.
What is Nancy Allen's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Nancy Allen enrolled in Medicare?
Yes. Nancy Allen 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 Nancy Allen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nancy Allen reassigns Medicare benefits to 5 organizations: Permanente Medical Group Inc (Santa Clara, CA), Regents Of The University Of California (San Francisco, CA), University Anesthesia Medical Group (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (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 Nancy Allen'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 Nancy Allen was last updated on August 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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. Nancy Allen, PHD, MD (5/2016) · NPI 1912351651
Critical Care Medicine physician in West Hollywood, California. Individual provider, active in the CMS NPPES registry since April 19, 2016.
## Identity
- **NPI:** 1912351651 (Entity type: Individual)
- **Enumerated:** April 19, 2016
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** A154450 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 8700 BEVERLY BLVD FL 7, West Hollywood, CA 90048-1804
- **Phone:** (310) 423-4685
## 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): Permanente Medical Group Inc (NPI 1073606299, Santa Clara, CA); Regents Of The University Of California (NPI 1376613943, San Francisco, CA); University Anesthesia Medical Group (NPI 1528137296, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Yale University School Of Medicine, class of 2016
## Record status
- **NPPES last updated:** August 24, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1912351651) · Data from the CMS NPPES public registry.