MS. ALLYSON CLAIRE COOK
NPI 1528325313
Internal Medicine - Hospice and Palliative Medicine in Dallas, TX
About Ms. Allyson Claire Cook NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. ALLYSON CLAIRE COOK (NPI 1528325313) is an individual hospice and palliative medicine provider in Dallas, Texas, licensed in California (A148353) and active in the NPI registry since April 2012. She is enrolled in Medicare PECOS and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses 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
Ms. Allyson Claire Cook 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
4Medicare enrollment records show Allyson Cook reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
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 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.
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.
DALLAS, TX 75235
DALLAS, TX 75235
DALLAS, TX 75235
DALLAS, TX 75235
DALLAS, TX 75235
DALLAS, TX 75235
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 Allyson Cook's NPI number?
The NPI number for Allyson Cook is 1528325313. It was assigned to this individual provider in the NPPES registry on April 18, 2012.
Where is Allyson Cook located?
Allyson Cook practices at 5201 Harry Hines Blvd Graduate Medical Education, Dallas, TX 75235. The listed phone number is (214) 590-8058.
What is Allyson Cook's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hospice and Palliative Medicine, with taxonomy code 207RH0002X.
Is Allyson Cook enrolled in Medicare?
Yes. Allyson Cook 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 Allyson Cook's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Allyson Cook reassigns Medicare benefits to 4 organizations: 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 Allyson Cook'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 Allyson Cook was last updated on August 26, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Ms. Allyson Claire Cook · NPI 1528325313
Hospice and Palliative Medicine physician in Dallas, Texas. Individual provider, active in the CMS NPPES registry since April 18, 2012.
## Identity
- **NPI:** 1528325313 (Entity type: Individual)
- **Enumerated:** April 18, 2012
- **Primary specialty:** Internal Medicine - Hospice and Palliative Medicine · taxonomy 207RH0002X
- **State license:** A148353 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 5201 HARRY HINES BLVD, GRADUATE MEDICAL EDUCATION, Dallas, TX 75235-7708
- **Phone:** (214) 590-8058
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1235322348, 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:** Other, class of 2012
## Record status
- **NPPES last updated:** August 26, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1528325313) · Data from the CMS NPPES public registry.