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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CECELIA PLAEHN MD
NPI 1205539038
Family Medicine in Boston, MA

Active since March 22, 2023PECOS Enrolled
11 MELNEA CASS BLVD, BOSTON, MA 02119(617) 414-2080 Get Directions Write a Review

NPPES record last updated: October 1, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 1, 2026, Aug 3, 2026, Jun 21, 2023 and 1 more (4 updates tracked since 2023).

About Cecelia Plaehn Md NPPES

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

CECELIA PLAEHN MD (NPI 1205539038) is an individual family medicine provider in Boston, Massachusetts, licensed in Massachusetts (1027352) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Creighton University School Of Medicine (2023).

NPPES Registry Identity

NPI1205539038
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameCECELIA PLAEHNCredential: MD
Location Address11 MELNEA CASS BLVDBoston, MA 02119-4401
Mailing Address960 Massachusetts Avenue, Fl 2Boston, MA 02118-2690
Phone(617) 414-2080
Sole ProprietorNo
Medical School CMSCreighton University School Of MedicineGraduated 2023
Enumeration DateMarch 22, 2023
Last NPPES UpdateOctober 1, 20264 updates tracked since enumeration
NPPES CertifiedOctober 1, 2026
✔ NPI 1205539038 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in MA · 1027352
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
11 MELNEA CASS BLVD, Boston, MA 02119
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Secondary Practice Locations 2

Location 1409 W BroadwayBoston, MA 02127-2245 · Phone (617) 269-7500
Location 21 Boston Medical Center Place, Dowling 5th FLBoston, MA 02118-2908 · Phone (617) 414-4465

Other Identifiers 1

Medicaid110202499AMA

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 (PECOS)

Cecelia Plaehn Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6901267376
PECOS Enrollment IDI20260901002410
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 Cecelia Plaehn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Boston University Family Medicine, Inc.
0.2 mi
Family Medicine
1 BOSTON MEDICAL CTR PL
Boston, MA 02118
  • Reassigned Medicare billing, Massachusetts enrollment
  • 113 clinicians in this Medicare group
NPI 1134166390 (617) 414-2080

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 02119 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.

KATHERINE A GERGEN BARNETT MD
Family Medicine
11 MELNEA CASS BLVD
BOSTON, MA 02119
Suffolk County (617) 414-2080
HEATHER E ROSS MD
Family Medicine
11 MELNEA CASS BLVD
BOSTON, MA 02119
Suffolk County (617) 414-2080
JOSIE OUELLETTE NP
Nurse Practitioner (Family)
11 MELNEA CASS BLVD
BOSTON, MA 02119
Suffolk County (617) 414-2080
KRISTEN M. HANSSEN MD
Family Medicine
11 MELNEA CASS BLVD
BOSTON, MA 02119
Suffolk County (617) 414-2080
REBECCA ANNE BILODEAU
Social Worker (Clinical)
11 MELNEA CASS BLVD
BOSTON, MA 02119
Suffolk County (617) 414-2035
MS. JENNIFER MEADE PROIETTI NP
Nurse Practitioner (Family)
11 MELNEA CASS BLVD
BOSTON, MA 02119
Suffolk County (617) 414-2080
EMILY GRACE MCKEON CNP
Nurse Practitioner (Family)
11 MELNEA CASS BLVD
BOSTON, MA 02119
Suffolk County (617) 414-2080
COURTNEY CAMERON PHARMD
Pharmacist (Ambulatory Care)
11 MELNEA CASS BLVD
BOSTON, MA 02119
Suffolk County (617) 638-5893

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 Cecelia Plaehn's NPI number?

The NPI number for Cecelia Plaehn is 1205539038. It was assigned to this individual provider in the NPPES registry on March 22, 2023.

Where is Cecelia Plaehn located?

Cecelia Plaehn practices at 11 Melnea Cass Blvd, Boston, MA 02119. The listed phone number is (617) 414-2080.

What is Cecelia Plaehn's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Cecelia Plaehn enrolled in Medicare?

Yes. Cecelia Plaehn is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Cecelia Plaehn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Cecelia Plaehn reassigns Medicare benefits to Boston University Family Medicine, 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 Cecelia Plaehn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Cecelia Plaehn accept?

Health plans from Anthem Blue Cross and Blue Shield list Cecelia Plaehn 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.

When was this NPI record last updated?

The NPPES record for Cecelia Plaehn was last updated on October 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 days 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.