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ALEXANDER M BRAUN MD
NPI 1821748484
Internal Medicine in Boston, MA

Active since March 26, 2022PECOS EnrolledAccepts Medicare Assignment
801 MASSACHUSETTS AVE FL 6, BOSTON, MA 02118(617) 414-5951(617) 414-9251 Get Directions Write a Review

NPPES record last updated: July 16, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 11, 2025, Jun 8, 2022 (2 updates tracked since 2022).

About Alexander M Braun Md NPPES

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

ALEXANDER M BRAUN MD (NPI 1821748484) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (1024453) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS, is affiliated with Boston Medical Center, and is a graduate of University Of Vermont College Of Medicine (2022).

NPPES Registry Identity

NPI1821748484
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameALEXANDER M BRAUNCredential: MD
Location Address801 MASSACHUSETTS AVE FL 6Boston, MA 02118-2605
Mailing Address960 Massachusetts Ave Ste 2Boston, MA 02118-2690 · (617) 414-5951
Phone(617) 414-5951
Fax(617) 414-9251
Sole ProprietorNo
Medical School CMSUniversity Of Vermont College Of MedicineGraduated 2022
Enumeration DateMarch 26, 2022
Last NPPES UpdateJuly 16, 20252 updates tracked since enumeration
NPPES CertifiedJuly 16, 2025
✔ NPI 1821748484 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 1024453
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
801 MASSACHUSETTS AVE FL 6, Boston, MA 02118
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Alexander M Braun 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 ID1658748074
PECOS Enrollment IDI20250722001321
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.

Hospital Affiliations CMS Care Compare

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

Boston Medical Center

Acute Care Hospitals · Boston, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220031
Location1 Boston Medical Center PlaceBoston, MA 02118 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02118 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
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.

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.

DR. SULEMAN IMRAN KHAN MD
Student in an Organized Health Care Education/Training Program
801 MASSACHUSETTS AVE FL 6
BOSTON, MA 02118
Suffolk County (617) 414-5951
ANIRUDH PRABU MD
Student in an Organized Health Care Education/Training Program
801 MASSACHUSETTS AVE FL 6
BOSTON, MA 02118
Suffolk County (617) 414-5951
DR. LYNDON P JAMES MBBS
Student in an Organized Health Care Education/Training Program
801 MASSACHUSETTS AVE FL 6
BOSTON, MA 02118
Suffolk County (617) 414-5951
GAYATHRI SUNDARAM MD
Student in an Organized Health Care Education/Training Program
801 MASSACHUSETTS AVE FL 6
BOSTON, MA 02118
Suffolk County (617) 414-5951
SIMON LEE
Student in an Organized Health Care Education/Training Program
801 MASSACHUSETTS AVE FL 6
BOSTON, MA 02118
Suffolk County (617) 414-5951
SONJA KYTOMAA
Student in an Organized Health Care Education/Training Program
801 MASSACHUSETTS AVE FL 6
BOSTON, MA 02118
Suffolk County (617) 414-5951
DANIEL WILLIAM CONNELLY
Student in an Organized Health Care Education/Training Program
801 MASSACHUSETTS AVE FL 6
BOSTON, MA 02118
Suffolk County (617) 414-5951
HEER SINGH HENDRY MD
Student in an Organized Health Care Education/Training Program
801 MASSACHUSETTS AVE FL 6
BOSTON, MA 02118
Suffolk County (925) 984-9215

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 Alexander Braun's NPI number?

The NPI number for Alexander Braun is 1821748484. It was assigned to this individual provider in the NPPES registry on March 26, 2022.

Where is Alexander Braun located?

Alexander Braun practices at 801 Massachusetts Ave Fl 6, Boston, MA 02118. The listed phone number is (617) 414-5951.

What is Alexander Braun's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Alexander Braun enrolled in Medicare?

Yes. Alexander Braun 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.

What insurance does Alexander Braun accept?

Health plans from Anthem Blue Cross and Blue Shield list Alexander Braun 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 Alexander Braun affiliated with any hospitals?

According to CMS data, Alexander Braun is affiliated with Boston Medical Center.

When was this NPI record last updated?

The NPPES record for Alexander Braun was last updated on July 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.