DR. SARA HAMILTON SULLIVAN M.D.
NPI 1295922011
Psychiatry & Neurology - Psychiatry in Boston, MA

Active since September 25, 2007PECOS EnrolledAccepts Medicare Assignment
330 BROOKLINE AVE, DEPARTMENT OF PSYCHIATRY, RABB 2, BOSTON, MA 02215(617) 667-2300 Get Directions Write a Review

NPPES record last updated: September 25, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Sara Hamilton Sullivan M.d. NPPES

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

DR. SARA HAMILTON SULLIVAN M.D. (NPI 1295922011) is an individual psychiatry provider in Boston, Massachusetts, licensed in Massachusetts (228574) and active in the NPI registry since September 2007. She is enrolled in Medicare PECOS, is affiliated with Mount Auburn Hospital, and is a graduate of Boston University School Of Medicine (2006).

NPPES Registry Identity

NPI1295922011
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. SARA HAMILTON SULLIVANCredential: M.D.
Location Address330 BROOKLINE AVE, DEPARTMENT OF PSYCHIATRY, RABB 2Boston, MA 02215-5400
Mailing Address330 Brookline Ave, Department Of Psychiatry, Rabb 2Boston, MA 02215-5400 · (617) 667-2300
Sole ProprietorYes
Medical School CMSBoston University School Of MedicineGraduated 2006
Enumeration DateSeptember 25, 2007
✔ NPI 1295922011 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 · 228574
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.
330 BROOKLINE AVE, Boston, MA 02215

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. Sara Hamilton Sullivan 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 ID2769506658
PECOS Enrollment IDI20100830000507
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

3

Medicare enrollment records show Sara Sullivan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Psychiatry
330 BROOKLINE AVE
Boston, MA 02215
  • Reassigned Medicare billing, Massachusetts enrollment
  • Also billed through NPI 1194765438 (Massachusetts)
  • 118 clinicians in this Medicare group
Mental Health (Including Community Mental Health Center)
75 FENWOOD RD
Boston, MA 02115
  • Reassigned Medicare billing, Massachusetts enrollment
  • 40 clinicians in this Medicare group
Psychiatric Unit
330 MOUNT AUBURN ST
Cambridge, MA 02138
  • Reassigned Medicare billing, Massachusetts enrollment
  • 44 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.

Areas of Expertise CMS Part B claims 4

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
93 services42 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
58 services23 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
57 services23 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
22 services22 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mount Auburn Hospital

Acute Care Hospitals · Cambridge, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220002
Location330 Mount Auburn StreetCambridge, MA 02138 · Middlesex County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02215 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.

Chronic Disease Hospital (Children)
330 BROOKLINE AVE
BOSTON, MA 02215
Internal Medicine
330 BROOKLINE AVE, PULMONARY AND CRITICAL CARE DEPARTMENT
BOSTON, MA 02215
Dermatology
330 BROOKLINE AVE, SHAPIRO 2
BOSTON, MA 02215
Anesthesiology
330 BROOKLINE AVE
BOSTON, MA 02215
Psychologist (Clinical)
330 BROOKLINE AVE
BOSTON, MA 02215
Hospitalist
330 BROOKLINE AVE
BOSTON, MA 02215
Obstetrics & Gynecology (Gynecologic Oncology)
330 BROOKLINE AVE, KIRSTEIN 3
BOSTON, MA 02215
Student in an Organized Health Care Education/Training Program
330 BROOKLINE AVE
BOSTON, MA 02215

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 Sara Sullivan's NPI number?

The NPI number for Sara Sullivan is 1295922011. It was assigned to this individual provider in the NPPES registry on September 25, 2007.

Where is Sara Sullivan located?

Sara Sullivan practices at 330 Brookline Ave Department Of Psychiatry, Rabb 2, Boston, MA 02215. The listed phone number is (617) 667-2300.

What is Sara Sullivan's specialty?

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

Is Sara Sullivan enrolled in Medicare?

Yes. Sara Sullivan 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 Sara Sullivan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sara Sullivan reassigns Medicare benefits to 3 organizations: Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA), The Commonwealth Of Massachusetts (Boston, MA) and Mount Auburn Hospital (Cambridge, 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 Sara Sullivan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sara Sullivan accept?

Health plans from Harvard Pilgrim Health Care list Sara Sullivan 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 Sara Sullivan affiliated with any hospitals?

According to CMS data, Sara Sullivan is affiliated with Mount Auburn Hospital.

When was this NPI record last updated?

The NPPES record for Sara Sullivan was last updated on September 25, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.