DR. ANN M. RASMUSSON M.D.
NPI 1255412607
Psychiatry & Neurology - Psychiatry in Boston, MA

Active since October 18, 2006PECOS EnrolledAccepts Medicare Assignment
55 FRUIT STREET, BOSTON, MA 02114(203) 710-2347 Get Directions Write a Review

NPPES record last updated: November 18, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Nov 18, 2024, Dec 13, 2023, Feb 15, 2022 and 1 more (4 updates tracked since 2021).

About Dr. Ann M. Rasmusson M.d. NPPES

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

DR. ANN M. RASMUSSON M.D. (NPI 1255412607) is an individual psychiatry provider in Boston, Massachusetts, licensed in Massachusetts (272670) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Boston, and is a graduate of University Of Chicago, Pritzker School Of Medicine (1984).

NPPES Registry Identity

NPI1255412607
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. ANN M. RASMUSSONCredential: M.D.
Location Address55 FRUIT STREETBoston, MA 02114-2696
Mailing Address16 Upton St Apt 3Boston, MA 02118-1792 · (203) 710-2347
Sole ProprietorNo
Medical School CMSUniversity Of Chicago, Pritzker School Of MedicineGraduated 1984
Enumeration DateOctober 18, 2006
Last NPPES UpdateNovember 18, 20244 updates tracked since enumeration
NPPES CertifiedNovember 18, 2024
✔ NPI 1255412607 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in MA · 272670
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
55 FRUIT STREET, Boston, MA 02114

Secondary Practice Location 1

Location 1150 South Huntington Avenue, VA Boston Healthcare SystemBoston, MA 02130 · Phone (617) 232-9500 · Fax (857) 634-4515

Other Identifiers 1

Medicaid110166937AMA

Accepted 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. Ann M. Rasmusson 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 ID7719086453
PECOS Enrollment IDI20210427001769
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 Ann Rasmusson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Dermatology
55 FRUIT ST, BUL 2
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,360 clinicians in this Medicare group
General Acute Care Hospital
55 FRUIT ST, BULFINCH 360
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,234 clinicians in this Medicare group

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 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
$189.86 typical visit price
range $63.72 – $189.86
Typical copayment $47.46 (range $15.93 – $47.46)
Most-billed visit code 99205
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.

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.

Internal Medicine (Cardiovascular Disease)
55 FRUIT STREET, MASSACHUSETTS GENERAL HOSPITAL
BOSTON, MA 02114
Social Worker (Clinical)
55 FRUIT STREET, FOUNDERS BUILDING SUITE 880
BOSTON, MA 02114
Physician Assistant
55 FRUIT STREET, WHITE 1
BOSTON, MA 02114
Psychiatry & Neurology (Neurology)
55 FRUIT STREET, WANG 720 (NEUROLOGY)
BOSTON, MA 02114
Pathology (Anatomic Pathology & Clinical Pathology)
55 FRUIT STREET, WRN 2 PATHOLOGY ASSOCIATES
BOSTON, MA 02114
Internal Medicine (Cardiovascular Disease)
55 FRUIT STREET, YAW 5 CARDIAC UNIT ASSOCIATES
BOSTON, MA 02114
Internal Medicine
55 FRUIT STREET, WHITE 5
BOSTON, MA 02114
Nurse Anesthetist, Certified Registered
55 FRUIT STREET, CLN 309 MGH ANESTHESIA ASSOCIATES
BOSTON, MA 02114

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 Ann Rasmusson's NPI number?

The NPI number for Ann Rasmusson is 1255412607. It was assigned to this individual provider in the NPPES registry on October 18, 2006.

Where is Ann Rasmusson located?

Ann Rasmusson practices at 55 Fruit Street, Boston, MA 02114. The listed phone number is (203) 710-2347.

What is Ann Rasmusson's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Ann Rasmusson enrolled in Medicare?

Yes. Ann Rasmusson 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 Ann Rasmusson's services?

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

What insurance does Ann Rasmusson accept?

Health plans from Harvard Pilgrim Health Care, Taro Health and WellSense Health Plan list Ann Rasmusson 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 Ann Rasmusson was last updated on November 18, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.