Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. ALEXANDER BELKIN MD
NPI 1346701653
Internal Medicine - Hematology & Oncology in Pittsfield, MA

Q: What is Alexander Belkin's NPI number?

The NPI number for Alexander Belkin is 1346701653. It was assigned to this individual provider in the NPPES registry on March 28, 2019.

Q: What is Alexander Belkin's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Q: When was this NPI record last updated?

The NPPES record for Alexander Belkin was last updated on June 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 42 days 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.

Active since March 28, 2019PECOS EnrolledAccepts Medicare Assignment

165 TOR CT, PITTSFIELD, MA 01201(413) 443-6000 Get Directions Write a Review

NPPES record last updated: June 30, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 16, 2026, Dec 28, 2022, May 16, 2022 (3 updates tracked since 2022).

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About Dr. Alexander Belkin Md NPPES

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

DR. ALEXANDER BELKIN MD (NPI 1346701653) is an individual hematology & oncology provider in Pittsfield, Massachusetts, licensed in Massachusetts (1021083) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Berkshire Medical Center, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1346701653

Entity TypeIndividualMale

Primary Taxonomy207RH0003X

Provider Legal NameDR. ALEXANDER BELKINCredential: MD

Location Address165 TOR CTPittsfield, MA 01201-3001

Mailing Address165 Tor CtPittsfield, MA 01201-3001 · (413) 443-6000

Phone(413) 443-6000

Sole ProprietorYes

Medical School CMSOtherGraduated 2018

Enumeration DateMarch 28, 2019

Last NPPES UpdateJune 30, 20263 updates tracked since enumeration

NPPES CertifiedJune 30, 2026

✔ NPI 1346701653 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in MA · 1021083

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

165 TOR CT, Pittsfield, MA 01201

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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

Dr. Alexander Belkin 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 ID8426421033

PECOS Enrollment IDI20250917001700

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 2

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

Berkshire Medical Center

Acute Care Hospitals · Pittsfield, MA

3/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number220046

Location725 North StreetPittsfield, MA 01201 · Berkshire County

Emergency services Birthing friendly

Fairview Hospital

Critical Access Hospitals · Great Barrington, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number221302

Location29 Lewis AvenueGreat Barrington, MA 01230 · Berkshire County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01201 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

$177.36 typical visit price

range $58.86 – $177.36

Typical copayment $44.34 (range $14.71 – $44.34)

Most-billed visit code 99205

Established Patient

$103.48 typical visit price

range $19.11 – $144.84

Typical copayment $25.87 (range $4.77 – $36.21)

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.

SUSAN ALICE SMITH FNP

Nurse Practitioner (Family)

165 TOR CT
PITTSFIELD, MA 01201

Berkshire County (413) 447-2862

MS. GLENDA BOYKIN PA-C

Physician Assistant (Medical)

165 TOR CT, PAIN CENTER
PITTSFIELD, MA 01201

Berkshire County (413) 445-7246

MRS. BIJI MANOJ VENGALIL NP

Nurse Practitioner (Family)

165 TOR CT
PITTSFIELD, MA 01201

Berkshire County (413) 447-2701

MS. MICHELLE KIRSTEN NASH MS, RD, LDN

Dietitian, Registered

165 TOR CT
PITTSFIELD, MA 01201

Berkshire County (413) 997-5899

BERKSHIRE MEDICAL CENTER, INC.

Home Health

165 TOR CT
PITTSFIELD, MA 01201

Berkshire County (413) 447-2862

MS. MARTHANNE DONALDSON ANP

Nurse Practitioner (Adult Health)

165 TOR CT, HILLCREST CAMPUS OCCUPATIONAL HEALTH DEPT
PITTSFIELD, MA 01201

Berkshire County (413) 395-7809

SHIELDS PET CT AT BERKSHIRE MEDICAL CENTER LLC

Clinic/Center (Radiology, Mobile)

165 TOR CT
PITTSFIELD, MA 01201

Berkshire County (866) 258-4738

MISS KARYN KOZIARA R.D.

Dietitian, Registered

165 TOR CT, BERKSHIRE MEDICAL CENTER HILLCREST CAMPUS
PITTSFIELD, MA 01201

Berkshire County (413) 445-9243

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 Belkin's NPI number?

The NPI number for Alexander Belkin is 1346701653. It was assigned to this individual provider in the NPPES registry on March 28, 2019.

Where is Alexander Belkin located?

Alexander Belkin practices at 165 Tor Ct, Pittsfield, MA 01201. The listed phone number is (413) 443-6000.

What is Alexander Belkin's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Alexander Belkin enrolled in Medicare?

Yes. Alexander Belkin 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.

Is Alexander Belkin affiliated with any hospitals?

According to CMS data, Alexander Belkin is affiliated with Berkshire Medical Center and Fairview Hospital.

When was this NPI record last updated?

The NPPES record for Alexander Belkin was last updated on June 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 42 days 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.