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KATHERINE MARGARET ALLEN MD
NPI 1366029985
Obstetrics & Gynecology in Muskegon, MI

Active since March 28, 2021PECOS EnrolledAccepts Medicare Assignment
1675 LEAHY ST STE 201, MUSKEGON, MI 49442(231) 672-8287(231) 727-5223 Get Directions Write a Review

NPPES record last updated: August 17, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 17, 2025, Mar 28, 2021 (2 updates tracked since 2021).

About Katherine Margaret Allen Md NPPES

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

KATHERINE MARGARET ALLEN MD (NPI 1366029985) is an individual obstetrics & gynecology provider in Muskegon, Michigan, licensed in Massachusetts (1024727) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, is affiliated with Boston Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1366029985
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameKATHERINE MARGARET ALLENCredential: MD
Location Address1675 LEAHY ST STE 201Muskegon, MI 49442-5542
Mailing Address1675 Leahy St Ste 201Muskegon, MI 49442-5542 · (231) 672-8287
Phone(231) 672-8287
Fax(231) 727-5223
Sole ProprietorNo
Medical School CMSMedical College Of WisconsinGraduated 2021
Enumeration DateMarch 28, 2021
Last NPPES UpdateAugust 17, 20252 updates tracked since enumeration
NPPES CertifiedAugust 17, 2025
✔ NPI 1366029985 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in MA · 1024727
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
1675 LEAHY ST STE 201, Muskegon, MI 49442
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1850 Harrison Avenue, FL 4, Yawkey BldgBoston, MA 02118-2908 · Phone (617) 414-2000
Location 2725 Albany St, FL 5, Shapiro BldgBoston, MA 02118-2908 · Phone (617) 414-2000

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, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Katherine Margaret Allen 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.

PECOS PAC ID8325541907
PECOS Enrollment IDI20250910002930
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Katherine Allen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Boston University Obstetrics And Gynecology Foundation, Inc.
773 mi
Obstetrics & Gynecology
1 BOSTON MEDICAL CTR PL
Boston, MA 02118
  • Reassigned Medicare billing, Massachusetts enrollment
  • 158 clinicians in this Medicare group
NPI 1063459568 (617) 414-2000
South Boston Community Health Center
774 mi
Community Health
409 W BROADWAY
South Boston, MA 02127
  • Reassigned Medicare billing, Massachusetts enrollment
  • 136 clinicians in this Medicare group
NPI 1669447413 (617) 269-7500

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.

Boston Medical Center

Acute Care Hospitals · Boston, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220031
Location1 Boston Medical Center PlaceBoston, MA 02118 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49442 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
$126.15 typical visit price
range $54.34 – $166.68
Typical copayment $31.53 (range $13.58 – $41.67)
Most-billed visit code 99204
Established Patient
$68.07 typical visit price
range $17.09 – $135.40
Typical copayment $17.01 (range $4.27 – $33.85)
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.

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.

ASHLEY LANG DO
Student in an Organized Health Care Education/Training Program
1675 LEAHY ST STE 201
MUSKEGON, MI 49442
Muskegon County (231) 672-6600
MOLLI SHOLAR DO
Student in an Organized Health Care Education/Training Program
1675 LEAHY ST STE 201
MUSKEGON, MI 49442
Muskegon County (231) 672-6600
LAUREN SABRINA FLORES DO
Student in an Organized Health Care Education/Training Program
1675 LEAHY ST STE 201
MUSKEGON, MI 49442
Muskegon County (231) 672-6600
DR. JULIE MARIE FLEEGAL DO
Student in an Organized Health Care Education/Training Program
1675 LEAHY ST STE 201
MUSKEGON, MI 49442
Muskegon County (231) 672-6600
JAMES ROBERT WHITE DO
Student in an Organized Health Care Education/Training Program
1675 LEAHY ST STE 201
MUSKEGON, MI 49442
Muskegon County (231) 672-6600
SATHIYAKALA RAJENDIRAN
Obstetrics & Gynecology
1675 LEAHY ST STE 201
MUSKEGON, MI 49442
Muskegon County (231) 740-6180
AUSTIN ALAN POULSON
Emergency Medicine
1675 LEAHY ST STE 201
MUSKEGON, MI 49442
Muskegon County (231) 672-8289
ANGELA LESCHINSKY
Student in an Organized Health Care Education/Training Program
1675 LEAHY ST STE 201
MUSKEGON, MI 49442
Muskegon County (231) 672-6600

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 Katherine Allen's NPI number?

The NPI number for Katherine Allen is 1366029985. It was assigned to this individual provider in the NPPES registry on March 28, 2021.

Where is Katherine Allen located?

Katherine Allen practices at 1675 Leahy St Ste 201, Muskegon, MI 49442. The listed phone number is (231) 672-8287.

What is Katherine Allen's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Katherine Allen enrolled in Medicare?

Yes. Katherine Allen 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 Katherine Allen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Allen reassigns Medicare benefits to 2 organizations: Boston University Obstetrics And Gynecology Foundation, Inc. (Boston, MA) and South Boston Community Health Center (South 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 Katherine Allen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Katherine Allen accept?

Health plans from Anthem Blue Cross and Blue Shield list Katherine Allen 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 Katherine Allen affiliated with any hospitals?

According to CMS data, Katherine Allen is affiliated with Boston Medical Center.

When was this NPI record last updated?

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