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MRS. KATIE MARY MCMILLEN FNP-BC
NPI 1790214278
Nurse Practitioner - Family in Boston, MA

Active since June 08, 2017PECOS EnrolledAccepts Medicare Assignment
725 ALBANY STREET, SHAPIRO 7, SUITE B, BOSTON, MA 02118(617) 638-8456(617) 638-8465 Get Directions Write a Review

NPPES record last updated: February 15, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 15, 2019, Jun 8, 2017 (2 updates tracked since 2017).

About Mrs. Katie Mary Mcmillen Fnp-bc NPPES

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

MRS. KATIE MARY MCMILLEN FNP-BC (NPI 1790214278) is an individual family provider in Boston, Massachusetts, licensed in Massachusetts (RN2263962) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS, is affiliated with Boston Medical Center, and maintains a secondary practice location in Wakefield.

NPPES Registry Identity

NPI1790214278
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMRS. KATIE MARY MCMILLENCredential: FNP-BC
Location Address725 ALBANY STREET, SHAPIRO 7, SUITE BBoston, MA 02118
Mailing Address720 Harrison Avenue, Dob 503Boston, MA 02118-2371
Phone(617) 638-8456
Fax(617) 638-8465
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateJune 8, 2017
Last NPPES UpdateFebruary 15, 20192 updates tracked since enumeration
✔ NPI 1790214278 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MA · RN2263962
725 ALBANY STREET, Boston, MA 02118
Open in Google Maps ↗

Other Names 1

Other Name (5)Kaitlin Mary James

Secondary Practice Location 1

Location 1603 Salem StWakefield, MA 01880 · Phone (781) 679-5129

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include WellSense Health Plan.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

Mrs. Katie Mary Mcmillen Fnp-bc 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 ID2567701030
PECOS Enrollment IDI20190227001787
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 Reassignment

Medicare enrollment records show Katie Mcmillen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Boston University Neurology Associates, Inc.
Same address
Neurology
725 ALBANY ST, SUITE 7B, SHAPIRO BLDG
Boston, MA 02118
  • Reassigned Medicare billing, Massachusetts enrollment
  • 68 clinicians in this Medicare group
NPI 1528005436 (617) 638-8456

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection of trigger points, 3 or more muscles 20553
Trigger point injection therapy involves injecting medication into specific areas of your muscles, known as trigger points. These are areas that produce pain and discomfort. If you have three or more muscles affected, each will be treated individually.
35 services18 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
31 services22 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
17 services12 patients

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 02118 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
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
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.

MR. TIMOTHY MICHAEL BRITT PA-C
Physician Assistant
725 ALBANY STREET, SHAPIRO 4, SUITE B
BOSTON, MA 02118
Suffolk County (617) 638-5633
DR. DAVID M. GREER MD
Psychiatry & Neurology (Vascular Neurology)
725 ALBANY STREET, SHAPIRO 7, SUITE B
BOSTON, MA 02118
Suffolk County (617) 638-8456
HORMUZDIYAR HENRY DASENBROCK MD
Neurological Surgery
725 ALBANY STREET, SHAPIRO 7, SUITE C
BOSTON, MA 02118
Suffolk County (617) 638-8992
JUAN-PABLO LOPEZ-ZERTUCHE ORTIZ M.D.
Internal Medicine (Rheumatology)
725 ALBANY STREET, SUITE 6B, SHAPIRO BLDG
BOSTON, MA 02118
Suffolk County (617) 638-7460
DR. DEBJANI SAHNI M.D.
Dermatology
725 ALBANY STREET, SHAPIRO 8
BOSTON, MA 02118
Suffolk County (617) 638-7420
POOJA R. RAVAL M.D.
Internal Medicine
725 ALBANY STREET, SHAPIRO 5 & 6
BOSTON, MA 02118
Suffolk County (617) 414-5951
ARTHUR ROLAND CELESTIN M.D.
Surgery (Plastic and Reconstructive Surgery)
725 ALBANY STREET, SUITE 8A, SHAPIRO BUILDING
BOSTON, MA 02118
Suffolk County (617) 638-8419
SEAN DOHERTY PA-C
Physician Assistant (Surgical)
725 ALBANY STREET, SHAPIRO 3, SUITE A
BOSTON, MA 02118
Suffolk County (617) 414-4861

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 Katie Mcmillen's NPI number?

The NPI number for Katie Mcmillen is 1790214278. It was assigned to this individual provider in the NPPES registry on June 8, 2017. The provider is also known as Kaitlin Mary James.

Where is Katie Mcmillen located?

Katie Mcmillen practices at 725 Albany Street Shapiro 7, Suite B, Boston, MA 02118. The listed phone number is (617) 638-8456.

What is Katie Mcmillen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Katie Mcmillen enrolled in Medicare?

Yes. Katie Mcmillen 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 organization bills Medicare for Katie Mcmillen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katie Mcmillen reassigns Medicare benefits to Boston University Neurology Associates, Inc. (Boston, MA). 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 Katie Mcmillen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Katie Mcmillen accept?

Health plans from WellSense Health Plan list Katie Mcmillen 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 Katie Mcmillen affiliated with any hospitals?

According to CMS data, Katie Mcmillen is affiliated with Boston Medical Center.

When was this NPI record last updated?

The NPPES record for Katie Mcmillen was last updated on February 15, 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.