KATHRYN WHITAKER M.D.
NPI 1821330622
Internal Medicine - Infectious Disease in Philadelphia, PA
About Kathryn Whitaker M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHRYN WHITAKER M.D. (NPI 1821330622) is an individual infectious disease provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD461812) and active in the NPI registry since March 2013. She is enrolled in Medicare PECOS, is affiliated with Hospital Of Univ Of Pennsylvania, and is a graduate of University Of Washington School Of Medicine (2013).
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
Kathryn Whitaker 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 Reassignment
Medicare enrollment records show Kathryn Whitaker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Philadelphia, PA 19104
- Reassigned Medicare billing, Pennsylvania enrollment
- 100 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hospital Of Univ Of Pennsylvania
Acute Care Hospitals · Philadelphia, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19104 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.
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
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 Kathryn Whitaker's NPI number?
The NPI number for Kathryn Whitaker is 1821330622. It was assigned to this individual provider in the NPPES registry on March 20, 2013.
Where is Kathryn Whitaker located?
Kathryn Whitaker practices at 3400 Spruce St 3 Silverstein, Ste E, Philadelphia, PA 19104. The listed phone number is (215) 615-4724.
What is Kathryn Whitaker's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Kathryn Whitaker enrolled in Medicare?
Yes. Kathryn Whitaker 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 organization bills Medicare for Kathryn Whitaker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kathryn Whitaker reassigns Medicare benefits to University Of Penn-Medical Group (Philadelphia, PA). The 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 Kathryn Whitaker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Kathryn Whitaker affiliated with any hospitals?
According to CMS data, Kathryn Whitaker is affiliated with Hospital Of Univ Of Pennsylvania.
When was this NPI record last updated?
The NPPES record for Kathryn Whitaker was last updated on September 4, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Kathryn Whitaker, M.D. · NPI 1821330622
Infectious Disease physician in Philadelphia, Pennsylvania. Individual provider, active in the CMS NPPES registry since March 20, 2013.
## Identity
- **NPI:** 1821330622 (Entity type: Individual)
- **Enumerated:** March 20, 2013
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** MD461812 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 3400 SPRUCE ST, 3 SILVERSTEIN, STE E, Philadelphia, PA 19104
- **Phone:** (215) 615-4724
## 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:** University Of Penn-Medical Group (NPI 1194832899, Philadelphia, PA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Washington School Of Medicine, class of 2013
## Record status
- **NPPES last updated:** September 4, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1821330622) · Data from the CMS NPPES public registry.