KATELYN PASTICK MD
NPI 1376129320
Internal Medicine in Boston, MA
About Katelyn Pastick Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATELYN PASTICK MD (NPI 1376129320) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (1024794) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of University Of Minnesota Medical School (2021).
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
Katelyn Pastick Md 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
2Medicare enrollment records show Katelyn Pastick reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Massachusetts General Hospital
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02114 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.
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
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 Katelyn Pastick's NPI number?
The NPI number for Katelyn Pastick is 1376129320. It was assigned to this individual provider in the NPPES registry on March 21, 2021.
Where is Katelyn Pastick located?
Katelyn Pastick practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (617) 726-2000.
What is Katelyn Pastick's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Katelyn Pastick enrolled in Medicare?
Yes. Katelyn Pastick 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 Katelyn Pastick's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katelyn Pastick reassigns Medicare benefits to 2 organizations: Massachusetts General Physicians Organization Inc (Boston, MA) and The General Hospital Corporation (Boston, MA). 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 Katelyn Pastick's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Katelyn Pastick affiliated with any hospitals?
According to CMS data, Katelyn Pastick is affiliated with Massachusetts General Hospital.
When was this NPI record last updated?
The NPPES record for Katelyn Pastick was last updated on April 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Katelyn Pastick, MD · NPI 1376129320
Internal Medicine physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since March 21, 2021.
## Identity
- **NPI:** 1376129320 (Entity type: Individual)
- **Enumerated:** March 21, 2021
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 1024794 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 FRUIT ST, Boston, MA 02114-2621
- **Phone:** (617) 726-2000
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Minnesota Medical School, class of 2021
## Record status
- **NPPES last updated:** April 10, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1376129320) · Data from the CMS NPPES public registry.