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DR. MAI TRUC PHAN MD
NPI 1255321998
Family Medicine in Boston, MA

Active since October 25, 2005PECOS EnrolledAccepts Medicare Assignment
388 COMMONWELATH AVE MBB, MGH BACK BAY, BOSTON, MA 02215(617) 267-7171(617) 262-2608 Get Directions Write a Review

NPPES record last updated: November 26, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Mai Truc Phan Md NPPES

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

DR. MAI TRUC PHAN MD (NPI 1255321998) is an individual family medicine provider in Boston, Massachusetts, licensed in Massachusetts (153182) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS, is affiliated with North Shore Medical Center -, and is a graduate of Other (1984).

NPPES Registry Identity

NPI1255321998
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. MAI TRUC PHANCredential: MD
Location Address388 COMMONWELATH AVE MBB, MGH BACK BAYBoston, MA 02215-2800
Mailing AddressPo Box 9142, Mass General Physician OrganizationCharlestown, MA 02129-9142 · (617) 267-7171 · Fax (617) 262-2608
Phone(617) 267-7171
Fax(617) 262-2608
Sole ProprietorNo
Medical School CMSOtherGraduated 1984
Enumeration DateOctober 25, 2005
Last NPPES UpdateNovember 26, 2012
✔ NPI 1255321998 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 · 153182
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.
388 COMMONWELATH AVE MBB, Boston, MA 02215
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Other Identifiers 5

Other153182MA · Tufts Health Plan
Medicare UPING46644
Medicaid3167488MA
OtherJ17866MA · Bcbs Ma
Medicare ID-Type UnspecifiedA22528MA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Taro Health.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. Mai Truc Phan Md 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 ID3971591553
PECOS Enrollment IDI20040503001345
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 Mai Phan 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
1.5 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
1.5 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.

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.
239 services135 patients
Telephone medical discussion with physician, 21-30 minutes 99443
This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.
45 services34 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
20 services17 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.
13 services13 patients

Hospital Affiliations CMS Care Compare 5

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

North Shore Medical Center -

Acute Care Hospitals · Salem, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220035
Location81 Highland AvenueSalem, MA 01970 · Essex County
Emergency services Birthing friendly

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220071
Location55 Fruit StreetBoston, MA 02114 · Suffolk County
Emergency services Birthing friendly

Massachusetts Eye And Ear Infirmary -

Acute Care Hospitals · Boston, MA
OwnershipVoluntary non-profit - Private
CMS Certification Number220075
Location243 Charles StreetBoston, MA 02114 · Suffolk County
Emergency services

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

Faulkner Hospital-Brigham And Women's

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220119
Location1153 Centre StreetBoston, MA 02130 · Suffolk County
Emergency services

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
$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.

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 Mai Phan's NPI number?

The NPI number for Mai Phan is 1255321998. It was assigned to this individual provider in the NPPES registry on October 25, 2005.

Where is Mai Phan located?

Mai Phan practices at 388 Commonwelath Ave Mbb Mgh Back Bay, Boston, MA 02215. The listed phone number is (617) 267-7171.

What is Mai Phan's specialty?

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

Is Mai Phan enrolled in Medicare?

Yes. Mai Phan 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 Mai Phan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mai Phan 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 Mai Phan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mai Phan accept?

Health plans from Taro Health list Mai Phan 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 Mai Phan affiliated with any hospitals?

According to CMS data, Mai Phan is affiliated with North Shore Medical Center -, Massachusetts General Hospital, Massachusetts Eye And Ear Infirmary -, Brigham And Women's Hospital and Faulkner Hospital-Brigham And Women's.

When was this NPI record last updated?

The NPPES record for Mai Phan was last updated on November 26, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.