JONATHAN LOWENTHAL
NPI 1669932885
Radiology - Diagnostic Radiology in Worcester, MA

Q: What is Jonathan Lowenthal's NPI number?

The NPI number for Jonathan Lowenthal is 1669932885. It was assigned to this individual provider in the NPPES registry on March 22, 2019.

Q: What is Jonathan Lowenthal's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Active since March 22, 2019PECOS EnrolledAccepts Medicare Assignment

55 LAKE AVE N, WORCESTER, MA 01655(508) 334-3850(774) 441-3947 Get Directions Write a Review

NPPES record last updated: September 4, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 4, 2025, Jul 1, 2025, Mar 16, 2025 and 1 more (4 updates tracked since 2019).

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About Jonathan Lowenthal NPPES

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

JONATHAN LOWENTHAL (NPI 1669932885) is an individual diagnostic radiology provider in Worcester, Massachusetts, licensed in Massachusetts (1023863) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Umass Memorial Healthalliance Hospitals, and is a graduate of Rutgers R W Johnson Medical School (cam/new Bruns/pisc) (2019).

NPPES Registry Identity

NPI1669932885

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameJONATHAN LOWENTHAL

Location Address55 LAKE AVE NWorcester, MA 01655-0002

Mailing AddressPo Box 415348Boston, MA 02241-5348 · (800) 225-8885 · Fax (508) 334-1977

Phone(508) 334-3850

Fax(774) 441-3947

Sole ProprietorNo

Medical School CMSRutgers R W Johnson Medical School (cam/new Bruns/pisc)Graduated 2019

Enumeration DateMarch 22, 2019

Last NPPES UpdateSeptember 4, 20254 updates tracked since enumeration

NPPES CertifiedSeptember 4, 2025

✔ NPI 1669932885 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

License✔ Licensed in MA · 1023863

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

Also ListedRadiology · NeuroradiologyTaxonomy 2085N0700X · License 1023863 (MA)

55 LAKE AVE N, Worcester, MA 01655

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Taro Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Jonathan Lowenthal 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 ID1951839935

PECOS Enrollment IDI20250904004805

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 Reassignments

Medicare enrollment records show Jonathan Lowenthal reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Umass Memorial Medical Group Inc

0.4 mi

Internal Medicine

55 LAKE AVE N
Worcester, MA 01655

Reassigned Medicare billing, Massachusetts enrollment
2,902 clinicians in this Medicare group

NPI 1760445373 (508) 334-1000

Umass Memorial Radiology Phys Serv

0.4 mi

Diagnostic Radiology

55 LAKE AVE N # S2-824, RADIOLOGY DEPARTMENT ADMINISTRATION
Worcester, MA 01655

Reassigned Medicare billing, Massachusetts enrollment
169 clinicians in this Medicare group

NPI 1639122096 (508) 334-7755

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

Hospital Affiliations CMS Care Compare 5

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

Umass Memorial Healthalliance Hospitals

Acute Care Hospitals · Leominster, MA

2/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number220001

Location60 Hospital RoadLeominster, MA 01453 · Worcester County

Emergency services

Umass Memorial Health - Harrington Hospital

Acute Care Hospitals · Southbridge, MA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220019

Location100 South StreetSouthbridge, MA 01550 · Worcester County

Emergency services

Umass Memorial Healthcare-Marlborough Hospital

Acute Care Hospitals · Marlborough, MA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220049

Location157 Union StreetMarlborough, MA 01752 · Middlesex County

Emergency services

Milford Regional Medical Center

Acute Care Hospitals · Milford, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number220090

Location14 Prospect StreetMilford, MA 01757 · Worcester County

Emergency services Birthing friendly

Umass Memorial Medical Center/University Campus

Acute Care Hospitals · Worcester, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220163

Location55 Lake Avenue NorthWorcester, MA 01655 · Worcester County

Emergency services Birthing friendly

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

$90.70 typical visit price

range $58.86 – $177.36

Typical copayment $22.67 (range $14.71 – $44.34)

Most-billed visit code 99203

Established Patient

$73.22 typical visit price

range $19.11 – $144.84

Typical copayment $18.30 (range $4.77 – $36.21)

Most-billed visit code 99213

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. SHERINE MARY HASSEY-HALLIGAN NP

Nurse Practitioner

55 LAKE AVE N
WORCESTER, MA 01655

Worcester County (508) 334-8585

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

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 Jonathan Lowenthal's NPI number?

The NPI number for Jonathan Lowenthal is 1669932885. It was assigned to this individual provider in the NPPES registry on March 22, 2019.

Where is Jonathan Lowenthal located?

Jonathan Lowenthal practices at 55 Lake Ave N, Worcester, MA 01655. The listed phone number is (508) 334-3850.

What is Jonathan Lowenthal's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Jonathan Lowenthal enrolled in Medicare?

Yes. Jonathan Lowenthal 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.

Which organizations bill Medicare for Jonathan Lowenthal's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jonathan Lowenthal reassigns Medicare benefits to 2 organizations: Umass Memorial Medical Group Inc (Worcester, MA) and Umass Memorial Radiology Phys Serv (Worcester, MA). Each 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 Jonathan Lowenthal's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jonathan Lowenthal accept?

Health plans from Taro Health list Jonathan Lowenthal 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 Jonathan Lowenthal affiliated with any hospitals?

According to CMS data, Jonathan Lowenthal is affiliated with Umass Memorial Healthalliance Hospitals, Umass Memorial Health - Harrington Hospital, Umass Memorial Healthcare-Marlborough Hospital, Milford Regional Medical Center and Umass Memorial Medical Center/University Campus.

When was this NPI record last updated?

The NPPES record for Jonathan Lowenthal was last updated on September 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.