DR. KATHY JANE WEISHAAR MD
NPI 1629031828
Internal Medicine in Frederick, MD
About Dr. Kathy Jane Weishaar Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KATHY JANE WEISHAAR MD (NPI 1629031828) is an individual internal medicine provider in Frederick, Maryland, licensed in Maryland (D0062975) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Kathy Jane Weishaar Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Kathy Weishaar reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Frederick, MD 21701
- Reassigned Medicare billing, Maryland enrollment
- 270 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21701 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
FREDERICK, MD 21701
FREDERICK, MD 21701
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 Kathy Weishaar's NPI number?
The NPI number for Kathy Weishaar is 1629031828. It was assigned to this individual provider in the NPPES registry on April 10, 2006.
Where is Kathy Weishaar located?
Kathy Weishaar practices at 400 W 7th St, Frederick, MD 21701. The listed phone number is (240) 566-4722.
What is Kathy Weishaar's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Kathy Weishaar enrolled in Medicare?
Yes. Kathy Weishaar is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Kathy Weishaar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kathy Weishaar reassigns Medicare benefits to Hospitalist Medicine Physicians Of Maryland PC (Frederick, MD). 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 Kathy Weishaar'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 Kathy Weishaar was last updated on January 4, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Dr. Kathy Jane Weishaar, MD · NPI 1629031828
Internal Medicine physician in Frederick, Maryland. Individual provider, active in the CMS NPPES registry since April 10, 2006.
## Identity
- **NPI:** 1629031828 (Entity type: Individual)
- **Enumerated:** April 10, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** D0062975 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 400 W 7TH ST, Frederick, MD 21701-4506
- **Phone:** (240) 566-4722 · **Fax:** (240) 566-4755
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Hospitalist Medicine Physicians Of Maryland PC (NPI 1992945471, Frederick, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 4, 2016
- **Other identifiers:** Medicare UPIN I28026 (MD); Medicaid 407945100 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1629031828) · Data from the CMS NPPES public registry.