DR. JONATHAN PHILIP WINICKOFF MD MPH
NPI 1720049760
Pediatrics in Waltham, MA

Q: What is Jonathan Winickoff's NPI number?

The NPI number for Jonathan Winickoff is 1720049760. It was assigned to this individual provider in the NPPES registry on March 29, 2006.

Q: What is Jonathan Winickoff's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Active since March 29, 2006PECOS Enrolled

40 2ND AVE, STE 400 MASS GENERAL WEST MEDICAL GROUP WALTHAM, WALTHAM, MA 02451(781) 522-9000(781) 522-9095 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Dr. Jonathan Philip Winickoff Md Mph NPPES

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

DR. JONATHAN PHILIP WINICKOFF MD MPH (NPI 1720049760) is an individual pediatrics provider in Waltham, Massachusetts, licensed in Massachusetts (205857) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1720049760

Entity TypeIndividualMale

Primary Taxonomy208000000X

Provider Legal NameDR. JONATHAN PHILIP WINICKOFFCredential: MD MPH

Location Address40 2ND AVE, STE 400 MASS GENERAL WEST MEDICAL GROUP WALTHAMWaltham, MA 02451

Mailing AddressPo Box 9142, Mass General Physician OrganizationCharlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-2894

Phone(781) 522-9000

Fax(781) 522-9095

Sole ProprietorNo

Enumeration DateMarch 29, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1720049760 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in MA · 205857

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

40 2ND AVE, Waltham, MA 02451

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Other Identifiers 3

OtherJ22483MA · Bcbs Ma

Medicaid0100650MA

Other205857MA · Tufts Health Plan

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 (PECOS)

Dr. Jonathan Philip Winickoff Md Mph 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 Reassignments

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

Massachusetts General Physicians Organization Inc

10 mi

Dermatology

55 FRUIT ST, BUL 2
Boston, MA 02114

Reassigned Medicare billing, Massachusetts enrollment
6,360 clinicians in this Medicare group

NPI 1801874573 (617) 724-0287

The General Hospital Corporation

10 mi

General Acute Care Hospital

55 FRUIT ST, BULFINCH 360
Boston, MA 02114

Reassigned Medicare billing, Massachusetts enrollment
6,234 clinicians in this Medicare group

NPI 1023049236 (617) 726-2000

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 02451 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

$97.64 typical visit price

range $63.72 – $189.86

Typical copayment $24.41 (range $15.93 – $47.46)

Most-billed visit code 99203

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.

NANCY GRACIN M.D.

Internal Medicine (Cardiovascular Disease)

40 2ND AVE, SUITE 520
WALTHAM, MA 02451

Middlesex County (781) 487-6000

MS. ELIZABETH O'KEEFE RN, CPNP

Registered Nurse (Pediatrics)

40 2ND AVE, NEW ENGLAND DIABETES & ENDOCRINOLOGY CTR (NEDEC), #170
WALTHAM, MA 02451

Middlesex County (781) 890-3610

DR. SUSAN R MANEA M.D.

Medical Genetics, Ph.D. Medical Genetics

40 2ND AVE
WALTHAM, MA 02451

Middlesex County (781) 466-9555

NICOLE MCELHINNEY DPT

Physical Therapist

40 2ND AVE, SUITE 360
WALTHAM, MA 02451

Middlesex County (781) 487-3800

JOHN D MEOLA, D.D.S., P.C.

Dentist

40 2ND AVE, SUITE 500
WALTHAM, MA 02451

Middlesex County (781) 890-4900

SUY-SINH TRUONG LAW P.T, LIC.AC.

Physical Therapist

40 2ND AVE
WALTHAM, MA 02451

Middlesex County (781) 487-3817

DR. BETH ANN MCCABE MD

Pediatrics

40 2ND AVE, SUITE 400
WALTHAM, MA 02451

Middlesex County (781) 522-9000

DR. ABDUL CADER ASMAL MD PHD

Internal Medicine (Endocrinology, Diabetes & Metabolism)

40 2ND AVE, STE 400
WALTHAM, MA 02451

Middlesex County (781) 522-9000

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 Winickoff's NPI number?

The NPI number for Jonathan Winickoff is 1720049760. It was assigned to this individual provider in the NPPES registry on March 29, 2006.

Where is Jonathan Winickoff located?

Jonathan Winickoff practices at 40 2nd Ave Ste 400 Mass General West Medical Group Waltham, Waltham, MA 02451. The listed phone number is (781) 522-9000.

What is Jonathan Winickoff's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Jonathan Winickoff enrolled in Medicare?

Yes. Jonathan Winickoff is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Jonathan Winickoff's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jonathan Winickoff reassigns Medicare benefits to 2 organizations: Massachusetts General Physicians Organization Inc (Boston, MA) and The General Hospital Corporation (Boston, 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 Winickoff's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jonathan Winickoff accept?

Health plans from Taro Health list Jonathan Winickoff 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.

When was this NPI record last updated?

The NPPES record for Jonathan Winickoff 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 3 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.