MRS. KELSEY LYNN PEIFER CRNP
NPI 1912553595
Nurse Practitioner - Pediatrics in Frederick, MD
About Mrs. Kelsey Lynn Peifer Crnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. KELSEY LYNN PEIFER CRNP (NPI 1912553595) is an individual pediatrics provider in Frederick, Maryland, licensed in Maryland (R200974) and active in the NPI registry since August 2019. She is enrolled in Medicare PECOS.
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 (PECOS)
Mrs. Kelsey Lynn Peifer Crnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Kelsey Peifer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21202
- Reassigned Medicare billing, Maryland enrollment
- 257 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.
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 Kelsey Peifer's NPI number?
The NPI number for Kelsey Peifer is 1912553595. It was assigned to this individual provider in the NPPES registry on August 10, 2019.
Where is Kelsey Peifer located?
Kelsey Peifer practices at 6131 Baldridge Ter, Frederick, MD 21701. The listed phone number is (240) 446-7867.
What is Kelsey Peifer's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.
Is Kelsey Peifer enrolled in Medicare?
Yes. Kelsey Peifer is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Kelsey Peifer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kelsey Peifer reassigns Medicare benefits to Maryland Family Care, Inc. (Baltimore, 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 Kelsey Peifer'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 Kelsey Peifer was last updated on August 10, 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.
# Mrs. Kelsey Lynn Peifer, CRNP · NPI 1912553595
Pediatrics physician in Frederick, Maryland. Individual provider, active in the CMS NPPES registry since August 10, 2019.
## Identity
- **NPI:** 1912553595 (Entity type: Individual)
- **Enumerated:** August 10, 2019
- **Primary specialty:** Nurse Practitioner - Pediatrics · taxonomy 363LP0200X
- **State license:** R200974 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 6131 BALDRIDGE TER, Frederick, MD 21701-5858
- **Phone:** (240) 446-7867
## 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:** Maryland Family Care, Inc. (NPI 1598718256, Baltimore, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 10, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1912553595) · Data from the CMS NPPES public registry.