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DR. HARUN J THIMMIAH MD
NPI 1730684945
Internal Medicine in Worcester, MA

Active since March 28, 2018PECOS Enrolled
55 LAKE AVE N, WORCESTER, MA 01655(508) 334-3452(774) 443-3477 Get Directions Write a Review

NPPES record last updated: January 22, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 18, 2023, Mar 28, 2018 (2 updates tracked since 2018).

About Dr. Harun J Thimmiah Md NPPES

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

DR. HARUN J THIMMIAH MD (NPI 1730684945) is an individual internal medicine provider in Worcester, Massachusetts, licensed in Massachusetts (294888) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1730684945
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. HARUN J THIMMIAHCredential: MD
Location Address55 LAKE AVE NWorcester, MA 01655-0002
Mailing AddressPo Box 415348Boston, MA 02241-5348 · (800) 225-8885 · Fax (508) 334-1977
Phone(508) 334-3452
Fax(774) 443-3477
Sole ProprietorNo
Enumeration DateMarch 28, 2018
Last NPPES UpdateJanuary 22, 20252 updates tracked since enumeration
NPPES CertifiedJanuary 22, 2025
✔ NPI 1730684945 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 294888
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.
Also ListedPediatricsTaxonomy 208000000X · License 294888 (MA)
55 LAKE AVE N, Worcester, MA 01655
Open in Google Maps ↗

Other Identifiers 1

Medicaid110135945AMA

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. Harun J Thimmiah 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01655 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
$134.47 typical visit price
range $58.86 – $177.36
Typical copayment $33.61 (range $14.71 – $44.34)
Most-billed visit code 99204
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.

HILLARY R. IRONS MD
Emergency Medicine
55 LAKE AVE N
WORCESTER, MA 01655
Worcester County (508) 421-1400
MS. EILEEN A. DUHAMEL NP
Nurse Practitioner
55 LAKE AVE N, DEPARTMENT OF RADIOLOGY
WORCESTER, MA 01655
Worcester County (508) 334-2710
EWA HRYNISZYN CRNA
Nurse Anesthetist, Certified Registered
55 LAKE AVE N, DEPARTMENT OF ANESTHESIOLOGY
WORCESTER, MA 01655
Worcester County (508) 334-3271
HELEN COPSEY PA-C
Physician Assistant
55 LAKE AVE N
WORCESTER, MA 01655
Worcester County (508) 334-8585
DR. ADEPEJU GBADEBO CHAMPION M.D.
Internal Medicine
55 LAKE AVE N
WORCESTER, MA 01655
Worcester County (508) 334-2731
SOWMYA KORAPATI
Internal Medicine (Hematology & Oncology)
55 LAKE AVE N
WORCESTER, MA 01655
Worcester County (508) 334-3550
LAYLA FAKHRZADEH M.D.
Anesthesiology
55 LAKE AVE N, ANESTHESIOLOGY
WORCESTER, MA 01655
Worcester County (508) 334-3271
YOONYIE CHO M.D.
Anesthesiology
55 LAKE AVE N
WORCESTER, MA 01655
Worcester County (508) 334-1000

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 Harun Thimmiah's NPI number?

The NPI number for Harun Thimmiah is 1730684945. It was assigned to this individual provider in the NPPES registry on March 28, 2018.

Where is Harun Thimmiah located?

Harun Thimmiah practices at 55 Lake Ave N, Worcester, MA 01655. The listed phone number is (508) 334-3452.

What is Harun Thimmiah's specialty?

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

Is Harun Thimmiah enrolled in Medicare?

Yes. Harun Thimmiah is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Harun Thimmiah was last updated on January 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.