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

DR. JOEL STEPHEN FINKELSTEIN MD
NPI 1366426009
Internal Medicine - Endocrinology, Diabetes & Metabolism in Boston, MA

Active since December 06, 2005PECOS Enrolled
15 PARKMAN ST, WAC 730S, BOSTON, MA 02114(617) 726-8720(617) 724-2718 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Dr. Joel Stephen Finkelstein Md NPPES

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

DR. JOEL STEPHEN FINKELSTEIN MD (NPI 1366426009) is an individual endocrinology, diabetes & metabolism provider in Boston, Massachusetts, licensed in Massachusetts (52162) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1366426009
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameDR. JOEL STEPHEN FINKELSTEINCredential: MD
Location Address15 PARKMAN ST, WAC 730SBoston, MA 02114-3117
Mailing AddressPo Box 9142, Mass General Physician OrganizationCharlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-2894
Fax(617) 724-2718
Sole ProprietorNo
Enumeration DateDecember 6, 2005
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
NPI 1366426009 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License Licensed in MA · 52162
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
Also ListedInternal MedicineTaxonomy 207R00000X · License 52162 (MA)
15 PARKMAN ST, Boston, MA 02114

Other Identifiers 3

Other724167MA · Tufts Health Plan
OtherJ03295MA · Bcbs Ma
Medicaid6174671MA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Joel Stephen Finkelstein Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Areas of Expertise CMS Part B claims 2

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.

Dxa bone density measurement of hip, pelvis, spine 77080
A DXA bone density measurement is a simple, quick, and non-invasive procedure that assesses the strength of your bones. This test uses X-rays to measure the amount of minerals, mainly calcium, in the hip, pelvis, and spine. It helps in early detection of osteoporosis or other bone diseases.
374 services371 patients
Dxa bone density measurement of forearm, finger, hand, or foot 77081
A DXA bone density measurement of the forearm, finger, hand, or foot is a non-invasive procedure that uses X-rays to measure the amount of calcium and other minerals in your bones. This test helps to assess the strength of your bones and your risk of fractures.
36 services36 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02114 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.

Nurse Practitioner (Adult Health)
15 PARKMAN ST, WAC 440
BOSTON, MA 02114
Physical Therapist
15 PARKMAN ST
BOSTON, MA 02114
Psychiatry & Neurology (Geriatric Psychiatry)
15 PARKMAN ST, PSYCHIATRY OUTPATIENT DEPARTMENT WAC 812
BOSTON, MA 02114
Physical Therapist (Neurology)
15 PARKMAN ST, ROOM 134
BOSTON, MA 02114
Physical Therapist
15 PARKMAN ST
BOSTON, MA 02114
Physical Therapist
15 PARKMAN ST, WACC 134
BOSTON, MA 02114
Physical Therapist
15 PARKMAN ST
BOSTON, MA 02114
Psychiatry & Neurology (Psychiatry)
15 PARKMAN ST, WAC 8 PSYCHIATRY OUTPATIENT DEPARTMENT
BOSTON, MA 02114

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 Joel Finkelstein's NPI number?

The NPI number for Joel Finkelstein is 1366426009. It was assigned to this individual provider in the NPPES registry on December 6, 2005.

Where is Joel Finkelstein located?

Joel Finkelstein practices at 15 Parkman St Wac 730S, Boston, MA 02114. The listed phone number is (617) 726-8720.

What is Joel Finkelstein's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Joel Finkelstein enrolled in Medicare?

Yes. Joel Finkelstein is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Joel Finkelstein was last updated on July 13, 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.