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DR. JOSEPH P FROLKIS M.D.
NPI 1336234186
Internal Medicine in Boston, MA

Active since October 04, 2006PECOS Enrolled
1620 TREMONT ST, BOSTON, MA 02120(617) 525-9544 Get Directions Write a Review

NPPES record last updated: June 27, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Joseph P Frolkis M.d. NPPES

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

DR. JOSEPH P FROLKIS M.D. (NPI 1336234186) is an individual internal medicine provider in Boston, Massachusetts, licensed in Connecticut (043314) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1336234186
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JOSEPH P FROLKISCredential: M.D.
Location Address1620 TREMONT STBoston, MA 02120-1613
Mailing Address111 Cypress StBrookline, MA 02445-6002
Phone(617) 525-9544
Sole ProprietorNo
Enumeration DateOctober 4, 2006
Last NPPES UpdateJune 27, 2012
✔ NPI 1336234186 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CT · 043314
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.
1620 TREMONT ST, Boston, MA 02120
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Other Identifiers 2

Medicare UPINC02511CT
Medicare ID-Type Unspecified060001660CT

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Joseph P Frolkis M.d. 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.

Medicare Billing Reassignment

Medicare enrollment records show Joseph Frolkis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Brigham & Womens Physicians Organization Inc
0.3 mi
Internal Medicine
75 FRANCIS ST
Boston, MA 02115
  • Reassigned Medicare billing, Massachusetts enrollment
  • 4,574 clinicians in this Medicare group
NPI 1033535497 (617) 732-5500

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02120 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 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. OMAR HASAN MD
Internal Medicine
1620 TREMONT ST, 3RD FLOOR
ROXBURY CROSSING, MA 02120
Suffolk County (617) 732-7063
SALMAAN KESHAVJEE MD PHD
Internal Medicine
1620 TREMONT ST, SMHI DIVISION
ROXBURY CROSSING, MA 02120
Suffolk County (617) 525-7649
LENNY LOPEZ MD MDIV
Internal Medicine
1620 TREMONT ST, DEPARTMENT OF MEDICINE
BOSTON, MA 02120
Suffolk County (617) 732-6660
DR. MARYAM JESSRI D.D.S, PH.D
Dentist
1620 TREMONT ST, ORAL MEDICINE AND DENTISTRY, SUITE BC-3-028
BOSTON, MA 02120
Suffolk County (617) 732-6684
JEFFREY L SCHNIPPER M.D.
Hospitalist
1620 TREMONT ST
ROXBURY CROSSING, MA 02120
Suffolk County (617) 732-6201
THOMAS S BOWMAN MD
Internal Medicine
1620 TREMONT ST, BRIGHAM AND WOMENS HOSPITAL DIVISION OF AGING
BOSTON, MA 02120
Suffolk County (617) 525-7631
DR. SAMUEL RICHARD GORDON FINLAYSON MD, MPH
Surgery
1620 TREMONT ST, 4TH FLOOR
BOSTON, MA 02120
Suffolk County (617) 525-7300
DEBORAH BARTZ M.D.
Obstetrics & Gynecology (Gynecology)
1620 TREMONT ST, OBC 3
ROXBURY CROSSING, MA 02120
Suffolk County (617) 525-7744

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 Joseph Frolkis's NPI number?

The NPI number for Joseph Frolkis is 1336234186. It was assigned to this individual provider in the NPPES registry on October 4, 2006.

Where is Joseph Frolkis located?

Joseph Frolkis practices at 1620 Tremont St, Boston, MA 02120. The listed phone number is (617) 525-9544.

What is Joseph Frolkis's specialty?

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

Is Joseph Frolkis enrolled in Medicare?

Yes. Joseph Frolkis is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Joseph Frolkis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Frolkis reassigns Medicare benefits to Brigham & Womens Physicians Organization Inc (Boston, MA). The 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 Joseph Frolkis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Joseph Frolkis was last updated on June 27, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.