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DR. RUSSELL DAVID HIMMELSTEIN MD
NPI 1376170993
Pediatrics in Waterbury, CT

Active since March 24, 2020PECOS Enrolled
51 N ELM ST, WATERBURY, CT 06702(203) 574-4000(203) 574-4003 Get Directions Write a Review

NPPES record last updated: June 1, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 1, 2026, Mar 24, 2020 (2 updates tracked since 2020).

About Dr. Russell David Himmelstein Md NPPES

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

DR. RUSSELL DAVID HIMMELSTEIN MD (NPI 1376170993) is an individual pediatrics provider in Waterbury, Connecticut, licensed in Connecticut (73725) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS and maintains a secondary practice location in New Haven.

NPPES Registry Identity

NPI1376170993
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. RUSSELL DAVID HIMMELSTEINCredential: MD
Location Address51 N ELM STWaterbury, CT 06702-1545
Mailing Address20 York StNew Haven, CT 06510-3220 · (203) 688-4242
Phone(203) 574-4000
Fax(203) 574-4003
Sole ProprietorNo
Enumeration DateMarch 24, 2020
Last NPPES UpdateJune 1, 20262 updates tracked since enumeration
NPPES CertifiedJune 1, 2026
✔ NPI 1376170993 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CT · 73725
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.
51 N ELM ST, Waterbury, CT 06702
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Secondary Practice Location 1

Location 120 York StNew Haven, CT 06510-3220 · Phone (203) 688-4242

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.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. Russell David Himmelstein 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.

Medicare Billing Reassignments

3

Medicare enrollment records show Russell Himmelstein reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Yale University
15 mi
Adult Mental Health
95 CIRCULAR AVE
Hamden, CT 06514
  • Reassigned Medicare billing, Connecticut enrollment
  • 3,728 clinicians in this Medicare group
NPI 1134391824 (203) 288-6253
Community Health Center Inc
20 mi
Federally Qualified Health Center (FQHC)
675 MAIN ST
Middletown, CT 06457
  • Reassigned Medicare billing, Connecticut enrollment
  • 390 clinicians in this Medicare group
NPI 1952591851 (860) 347-6971
Greenwich Hospital
47 mi
General Acute Care Hospital
5 PERRYRIDGE RD
Greenwich, CT 06830
  • Reassigned Medicare billing, Connecticut enrollment
  • 268 clinicians in this Medicare group
NPI 1609846088 (203) 863-3000

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 06702 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
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
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.

SAMANTHA LYNNE NILSSON LCSW
Social Worker (Clinical)
51 N ELM ST
WATERBURY, CT 06702
Naugatuck Valley Planning Region (203) 574-4000
WHITNEY JENNIFER COX LCSW
Social Worker (Clinical)
51 N ELM ST
WATERBURY, CT 06702
Naugatuck Valley Planning Region (603) 476-9718
ANGELICA CAMARGO LCSW
Social Worker (Clinical)
51 N ELM ST
WATERBURY, CT 06702
Naugatuck Valley Planning Region (203) 574-4000
VERENICE TORRES B.S.
Psychologist
51 N ELM ST
WATERBURY, CT 06702
Naugatuck Valley Planning Region (203) 574-4000
CATARINA LALLY PSYD
Psychologist
51 N ELM ST
WATERBURY, CT 06702
Naugatuck Valley Planning Region (203) 574-4000
LARRYL L DAMON JR. D.O
Pediatrics
51 N ELM ST
WATERBURY, CT 06702
Naugatuck Valley Planning Region (203) 574-4000
MRS. KRISTI MARIA BROWNING APRN
Nurse Practitioner
51 N ELM ST
WATERBURY, CT 06702
Naugatuck Valley Planning Region (203) 574-4000
ROSARIMAR RODRIGUEZ SANTIAGO PSYD
Psychologist
51 N ELM ST
WATERBURY, CT 06702
Naugatuck Valley Planning Region (203) 574-4000

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 Russell Himmelstein's NPI number?

The NPI number for Russell Himmelstein is 1376170993. It was assigned to this individual provider in the NPPES registry on March 24, 2020.

Where is Russell Himmelstein located?

Russell Himmelstein practices at 51 N Elm St, Waterbury, CT 06702. The listed phone number is (203) 574-4000.

What is Russell Himmelstein's specialty?

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

Is Russell Himmelstein enrolled in Medicare?

Yes. Russell Himmelstein is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Russell Himmelstein's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Russell Himmelstein reassigns Medicare benefits to 3 organizations: Yale University (Hamden, CT), Community Health Center Inc (Middletown, CT) and Greenwich Hospital (Greenwich, CT). 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 Russell Himmelstein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Russell Himmelstein accept?

Health plans from Anthem Blue Cross and Blue Shield list Russell Himmelstein 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 Russell Himmelstein was last updated on June 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.