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KATELYN SEAVER
NPI 1881213643
Physician Assistant in Boston, MA

Active since April 13, 2020PECOS EnrolledAccepts Medicare Assignment
50 STANIFORD ST STE 102, BOSTON, MA 02114(202) 660-0050(415) 252-7176 Get Directions Write a Review

NPPES record last updated: March 14, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 14, 2025, Jun 17, 2021, Apr 13, 2020 (3 updates tracked since 2020).

About Katelyn Seaver NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KATELYN SEAVER (NPI 1881213643) is an individual physician assistant in Boston, Massachusetts, licensed in Massachusetts (PA7970) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1881213643
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameKATELYN SEAVER
Location Address50 STANIFORD ST STE 102Boston, MA 02114-2517
Mailing Address1 Embarcadero Ctr Ste 1900San Francisco, CA 94111-3723 · (415) 658-6791
Phone(202) 660-0050
Fax(415) 252-7176
Sole ProprietorYes
Medical School CMSOtherGraduated 2021
Enumeration DateApril 13, 2020
Last NPPES UpdateMarch 14, 20253 updates tracked since enumeration
NPPES CertifiedMarch 14, 2025
✔ NPI 1881213643 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in MA · PA7970
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
50 STANIFORD ST STE 102, Boston, MA 02114
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Katelyn Seaver 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.

PECOS PAC ID6103220710
PECOS Enrollment IDI20210804001316
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220071
Location55 Fruit StreetBoston, MA 02114 · Suffolk County
Emergency services Birthing friendly

Physician 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.

New Patient
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Seaver's NPI number?

The NPI number for Katelyn Seaver is 1881213643. It was assigned to this individual provider in the NPPES registry on April 13, 2020.

Where is Katelyn Seaver located?

Katelyn Seaver practices at 50 Staniford St Ste 102, Boston, MA 02114. The listed phone number is (202) 660-0050.

What is Katelyn Seaver's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Katelyn Seaver enrolled in Medicare?

Yes. Katelyn Seaver 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.

What insurance does Katelyn Seaver accept?

Health plans from Anthem Blue Cross and Blue Shield list Katelyn Seaver as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Katelyn Seaver affiliated with any hospitals?

According to CMS data, Katelyn Seaver is affiliated with Massachusetts General Hospital.

When was this NPI record last updated?

The NPPES record for Katelyn Seaver was last updated on March 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.