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DR. ALLISON SCOTT BAKER M.D.
NPI 1740449065
Psychiatry & Neurology - Child & Adolescent Psychiatry in Wellesley, MA

Active since June 02, 2008PECOS EnrolledAccepts Medicare Assignment
486 WASHINGTON ST, WELLESLEY, MA 02482(646) 580-8673(617) 249-2049 Get Directions Write a Review

NPPES record last updated: December 10, 2018. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Allison Scott Baker M.d. NPPES

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

DR. ALLISON SCOTT BAKER M.D. (NPI 1740449065) is an individual child & adolescent psychiatry provider in Wellesley, Massachusetts, licensed in Massachusetts (265102) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS, maintains a secondary practice location in Boston, and is a graduate of University Of Virginia School Of Medicine (2006).

NPPES Registry Identity

NPI1740449065
Entity TypeIndividualFemale
Primary Taxonomy2084P0804X
Provider Legal NameDR. ALLISON SCOTT BAKERCredential: M.D.
Location Address486 WASHINGTON STWellesley, MA 02482-5971
Mailing Address486 Washington StWellesley, MA 02482-5971 · (646) 580-8673 · Fax (617) 249-2049
Phone(646) 580-8673
Fax(617) 249-2049
Sole ProprietorYes
Medical School CMSUniversity Of Virginia School Of MedicineGraduated 2006
Enumeration DateJune 2, 2008
Last NPPES UpdateDecember 10, 2018
✔ NPI 1740449065 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0804X
License✔ Licensed in MA · 265102
Definition
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License 246394 (NY)
486 WASHINGTON ST, Wellesley, MA 02482
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Secondary Practice Location 1

Location 1185 Cambridge StBoston, MA 02114-2790 · Phone (617) 724-5026

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Harvard Pilgrim Health Care, Taro Health, 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

Dr. Allison Scott Baker M.d. 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 ID9032419775
PECOS Enrollment IDI20151201003081
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 Allison Baker reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The General Hospital Corporation
12 mi
General Acute Care Hospital
55 FRUIT ST, BULFINCH 360
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,234 clinicians in this Medicare group
NPI 1023049236 (617) 726-2000
Massachusetts General Physicians Organization Inc
12 mi
Dermatology
55 FRUIT ST, BUL 2
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,360 clinicians in this Medicare group
NPI 1801874573 (617) 724-0287

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

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

RICHARD H STELLAR EDD PC
Psychologist (Clinical)
486 WASHINGTON ST
WELLESLEY, MA 02482
Norfolk County (781) 235-6969
DR. PAUL OLIVER JOHNSON DMD
Dentist (Pediatric Dentistry)
486 WASHINGTON ST
WELLESLEY, MA 02482
Norfolk County (781) 237-2151
NEWTON WELLESLEY DENTAL GROUP
Dentist (General Practice)
486 WASHINGTON ST
WELLESLEY, MA 02482
Norfolk County (781) 235-6300
VILLAGE DENTAL OF NEW ENGLAND PLLC
Dentist
486 WASHINGTON ST
WELLESLEY, MA 02482
Norfolk County (617) 969-8725
STEPHEN J. NOXON, DMD, MSD, PC
Dentist (Orthodontics and Dentofacial Orthopedics)
486 WASHINGTON ST
WELLESLEY, MA 02482
Norfolk County (781) 235-7181
WELLESLEY ORAL SURGERY AND IMPLANT CENTER, PLLC
Clinic/Center (Oral and Maxillofacial Surgery)
486 WASHINGTON ST
WELLESLEY, MA 02482
Norfolk County (781) 235-5225
DR. STEPHEN JAMES NOXON DMD, MSD
Dentist (Orthodontics and Dentofacial Orthopedics)
486 WASHINGTON ST
WELLESLEY, MA 02482
Norfolk County (781) 235-7181
PAMELA PAPPAS DMD
Dentist (Endodontics)
486 WASHINGTON ST
WELLESLEY, MA 02482
Norfolk County (781) 235-8447

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 Allison Baker's NPI number?

The NPI number for Allison Baker is 1740449065. It was assigned to this individual provider in the NPPES registry on June 2, 2008.

Where is Allison Baker located?

Allison Baker practices at 486 Washington St, Wellesley, MA 02482. The listed phone number is (646) 580-8673.

What is Allison Baker's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Is Allison Baker enrolled in Medicare?

Yes. Allison Baker 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 Allison Baker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Allison Baker reassigns Medicare benefits to 2 organizations: The General Hospital Corporation (Boston, MA) and Massachusetts General Physicians Organization Inc (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 Allison Baker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Allison Baker accept?

Health plans from Harvard Pilgrim Health Care, Taro Health and WellSense Health Plan list Allison Baker 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 Allison Baker was last updated on December 10, 2018. 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.