DR. MITCHELL FRUMKIN M.D.
NPI 1205857752
Pediatrics in Nashua, NH

Active since July 21, 2006PECOS Enrolled
76.01/100
CMS Quality Rating
591 W HOLLIS ST, NASHUA, NH 03062(603) 577-4400(603) 640-1228 Get Directions Write a Review

NPPES record last updated: January 8, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Mitchell Frumkin M.d. NPPES

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

DR. MITCHELL FRUMKIN M.D. (NPI 1205857752) is an individual pediatrics provider in Nashua, New Hampshire, licensed in New Hampshire (6898) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1205857752
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. MITCHELL FRUMKINCredential: M.D.
Location Address591 W HOLLIS STNashua, NH 03062-1323
Mailing Address591 W Hollis StNashua, NH 03062-1323 · (603) 577-4000
Fax(603) 640-1228
Sole ProprietorNo
Enumeration DateJuly 21, 2006
Last NPPES UpdateJanuary 8, 2026
NPPES CertifiedJanuary 8, 2026
✔ NPI 1205857752 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in NH · 6898
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.
591 W HOLLIS ST, Nashua, NH 03062

Other Identifiers 1

Medicaid70NH

Accepted 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. Mitchell Frumkin 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 Reassignments

2

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

Family Medicine
100 HITCHCOCK WAY
Manchester, NH 03104
  • Reassigned Medicare billing, New Hampshire enrollment
  • Also billed through NPI 1174176861 (New Hampshire)
  • 227 clinicians in this Medicare group
Psychiatric Hospital
218 EAST RD
Hampstead, NH 03841
  • Reassigned Medicare billing, New Hampshire enrollment
  • 2,620 clinicians in this Medicare group

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 03062 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
$89.14 typical visit price
range $57.75 – $174.26
Typical copayment $22.28 (range $14.43 – $43.56)
Most-billed visit code 99203
Established Patient
$101.54 typical visit price
range $18.70 – $142.15
Typical copayment $25.38 (range $4.67 – $35.53)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

76.01/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality65.31
Promoting Interoperability100
Improvement Activities40
Cost54.74

Other Providers at the Same Location NPPES 10

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

Family Medicine
591 W HOLLIS ST
NASHUA, NH 03062
Pediatrics
591 W HOLLIS ST
NASHUA, NH 03062
Pediatrics
591 W HOLLIS ST
NASHUA, NH 03062
Clinical Medical Laboratory
591 W HOLLIS ST
NASHUA, NH 03062
Pediatrics
591 W HOLLIS ST
NASHUA, NH 03062
Pediatrics
591 W HOLLIS ST
NASHUA, NH 03062
Pediatrics
591 W HOLLIS ST
NASHUA, NH 03062
Family Medicine
591 W HOLLIS ST
NASHUA, NH 03062

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 Mitchell Frumkin's NPI number?

The NPI number for Mitchell Frumkin is 1205857752. It was assigned to this individual provider in the NPPES registry on July 21, 2006.

Where is Mitchell Frumkin located?

Mitchell Frumkin practices at 591 W Hollis St, Nashua, NH 03062. The listed phone number is (603) 577-4400.

What is Mitchell Frumkin's specialty?

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

Is Mitchell Frumkin enrolled in Medicare?

Yes. Mitchell Frumkin is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mitchell Frumkin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mitchell Frumkin reassigns Medicare benefits to 2 organizations: Dartmouth-Hitchcock Clinic (Manchester, NH) and Mary Hitchcock Memorial Hospital (Hampstead, NH). 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 Mitchell Frumkin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mitchell Frumkin accept?

Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Mitchell Frumkin 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 Mitchell Frumkin was last updated on January 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.