BRETT M. BAKER
NPI 1700272333
Surgery in Nashua, NH

Active since April 10, 2015PECOS EnrolledAccepts Medicare Assignment
8 PROSPECT ST, NASHUA, NH 03060(603) 882-8375 Get Directions Write a Review

NPPES record last updated: September 25, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 19, 2021, Aug 23, 2021, Dec 15, 2020 and 1 more (4 updates tracked since 2020).

About Brett M. Baker NPPES

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

BRETT M. BAKER (NPI 1700272333) is an individual surgery provider in Nashua, New Hampshire, licensed in New Hampshire (1370) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS, is affiliated with Southern Nh Medical Center, and is a graduate of Tufts University School Of Medicine (2015).

NPPES Registry Identity

NPI1700272333
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameBRETT M. BAKER
Location Address8 PROSPECT STNashua, NH 03060-3925
Mailing AddressPo Box 3677Nashua, NH 03061-3677 · (603) 577-7900 · Fax (603) 577-7972
Sole ProprietorNo
Medical School CMSTufts University School Of MedicineGraduated 2015
Enumeration DateApril 10, 2015
Last NPPES UpdateSeptember 25, 20234 updates tracked since enumeration
NPPES CertifiedSeptember 25, 2023
✔ NPI 1700272333 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
Licenses✔ Licensed in NH · 1370✔ Licensed in MA · 283893✔ Licensed in MA · 264010
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
8 PROSPECT ST, Nashua, NH 03060

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

Brett M. Baker 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 ID7911206354
PECOS Enrollment IDI20210817000702
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 Brett Baker reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
8 PROSPECT ST
Nashua, NH 03060
  • Reassigned Medicare billing, New Hampshire enrollment
  • 283 clinicians in this Medicare group
Vascular Surgery
87 MCGREGOR ST, SUITE 3100
Manchester, NH 03102
  • Reassigned Medicare billing, New Hampshire enrollment
  • Also billed through NPI 1427154335 (New Hampshire)
  • 43 clinicians in this Medicare group
Internal Medicine
41 MALL RD, LAHEY CLINIC
Burlington, MA 01805
  • Reassigned Medicare billing, Massachusetts enrollment
  • Also billed through NPI 1063447316 (Massachusetts)
  • 1,574 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.

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.
63 services40 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
49 services49 patients
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.
26 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.
24 services18 patients

Hospital Affiliations CMS Care Compare

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

Southern Nh Medical Center

Acute Care Hospitals · Nashua, NH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300020
Location8 Prospect StreetNashua, NH 03060 · Hillsborough County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 03060 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
$89.14 typical visit price
range $57.75 – $174.26
Typical copayment $22.28 (range $14.43 – $43.56)
Most-billed visit code 99203
Established Patient
$71.85 typical visit price
range $18.70 – $142.15
Typical copayment $17.96 (range $4.67 – $35.53)
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.

Physician Assistant
8 PROSPECT ST
NASHUA, NH 03060
Nurse Practitioner (Adult Health)
8 PROSPECT ST
NASHUA, NH 03060
Dietitian, Registered
8 PROSPECT ST
NASHUA, NH 03060
Advanced Practice Midwife
8 PROSPECT ST
NASHUA, NH 03060
Pediatrics
8 PROSPECT ST
NASHUA, NH 03060
Physician Assistant
8 PROSPECT ST
NASHUA, NH 03060
Anesthesiology
8 PROSPECT ST
NASHUA, NH 03060
Internal Medicine
8 PROSPECT ST
NASHUA, NH 03060

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 Brett Baker's NPI number?

The NPI number for Brett Baker is 1700272333. It was assigned to this individual provider in the NPPES registry on April 10, 2015.

Where is Brett Baker located?

Brett Baker practices at 8 Prospect St, Nashua, NH 03060. The listed phone number is (603) 882-8375.

What is Brett Baker's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Brett Baker enrolled in Medicare?

Yes. Brett 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 Brett Baker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Brett Baker reassigns Medicare benefits to 3 organizations: Foundation Medical Partners Inc (Nashua, NH), Catholic Medical Center (Manchester, NH) and Lahey Clinic, Inc. (Burlington, 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 Brett Baker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Brett Baker accept?

Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and WellSense Health Plan list Brett 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.

Is Brett Baker affiliated with any hospitals?

According to CMS data, Brett Baker is affiliated with Southern Nh Medical Center.

When was this NPI record last updated?

The NPPES record for Brett Baker was last updated on September 25, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.