DR. ROBERT MATTHEW ZWOLAK M.D.
NPI 1487664629
Surgery - Vascular Surgery in Lebanon, NH

Q: What is Robert Zwolak's NPI number?

The NPI number for Robert Zwolak is 1487664629. It was assigned to this individual provider in the NPPES registry on August 9, 2006.

Q: What is Robert Zwolak's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Q: When was this NPI record last updated?

The NPPES record for Robert Zwolak was last updated on February 1, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.

Active since August 09, 2006PECOS Enrolled

1 MEDICAL CENTER DR, DHMC. DEPARTMENT OF SURGERY, LEBANON, NH 03756(603) 650-8191 Get Directions Write a Review

NPPES record last updated: February 1, 2016. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Dr. Robert Matthew Zwolak M.d. NPPES

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

DR. ROBERT MATTHEW ZWOLAK M.D. (NPI 1487664629) is an individual vascular surgery provider in Lebanon, New Hampshire, licensed in New Hampshire (7666) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1487664629

Entity TypeIndividualMale

Primary Taxonomy2086S0129X

Provider Legal NameDR. ROBERT MATTHEW ZWOLAKCredential: M.D.

Location Address1 MEDICAL CENTER DR, DHMC. DEPARTMENT OF SURGERYLebanon, NH 03756-1000

Mailing Address1 Medical Center Dr, Dhmc. Department Of SurgeryLebanon, NH 03756-1000 · (603) 650-8191

Phone(603) 650-8191

Sole ProprietorNo

Enumeration DateAugust 9, 2006

Last NPPES UpdateFebruary 1, 2016

✔ NPI 1487664629 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgery · Vascular SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code2086S0129X

License✔ Licensed in NH · 7666

Definition

A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.

1 MEDICAL CENTER DR, Lebanon, NH 03756

Open in Google Maps ↗

Other Identifiers 3

Medicaid1001964VT

Medicare UPINA06068

Medicaid3079005NH

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. Robert Matthew Zwolak 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

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

Dartmouth-Hitchcock Clinic

0.2 mi

Internal Medicine

ONE MEDICAL CENTER DR
Lebanon, NH 03756

Reassigned Medicare billing, New Hampshire enrollment
2,999 clinicians in this Medicare group

NPI 1548210198 (603) 650-5000

Mary Hitchcock Memorial Hospital

0.2 mi

General Acute Care Hospital

ONE MEDICAL CENTER DR
Lebanon, NH 03756

Reassigned Medicare billing, New Hampshire enrollment
2,620 clinicians in this Medicare group

NPI 1023092053 (603) 650-5000

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 03756 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

$71.85 typical visit price

range $18.70 – $142.15

Typical copayment $17.96 (range $4.67 – $35.53)

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.

MRS. JANICE M BRENNAN APRN

Nurse Practitioner (Family)

1 MEDICAL CENTER DR, DHMC DEPARTMENT OF OCCUPATION MEDICINE
LEBANON, NH 03756

Grafton County (603) 560-5000

MS. SHELLEY GRACE BENSON R.PH.

Pharmacist (Oncology)

1 MEDICAL CENTER DR
LEBANON, NH 03756

Grafton County (603) 650-5417

ELIAS LOUKAS M.D.

Internal Medicine

1 MEDICAL CENTER DR, DHMC SECTION OF HOSPITAL MEDICINE
LEBANON, NH 03756

Grafton County (603) 650-8380

SARAH S SEO MD

Otolaryngology

1 MEDICAL CENTER DR, OTOLARYNGOLOGY
LEBANON, NH 03756

Grafton County (603) 650-8123

DR. SRINIVAS J. IVATURY MD

Colon & Rectal Surgery

1 MEDICAL CENTER DR, COLON & RECTAL SURGERY DEPARTMENT
LEBANON, NH 03756

Grafton County (603) 650-8113

TIMOTHY EARLEY D.O.

Student in an Organized Health Care Education/Training Program

1 MEDICAL CENTER DR
LEBANON, NH 03756

Grafton County (201) 694-0663

HANNAH ELIZABETH FOOTE BENSIMHON M.D.

Internal Medicine (Cardiovascular Disease)

1 MEDICAL CENTER DR
LEBANON, NH 03756

Grafton County (603) 650-5000

EMILE JOSEPH HASAN M.D.

Student in an Organized Health Care Education/Training Program

1 MEDICAL CENTER DR
LEBANON, NH 03756

Grafton County (603) 650-5000

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 Robert Zwolak's NPI number?

The NPI number for Robert Zwolak is 1487664629. It was assigned to this individual provider in the NPPES registry on August 9, 2006.

Where is Robert Zwolak located?

Robert Zwolak practices at 1 Medical Center Dr Dhmc. Department Of Surgery, Lebanon, NH 03756. The listed phone number is (603) 650-8191.

What is Robert Zwolak's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Is Robert Zwolak enrolled in Medicare?

Yes. Robert Zwolak is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Robert Zwolak's services?

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

What insurance does Robert Zwolak accept?

Health plans from Taro Health list Robert Zwolak 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 Robert Zwolak was last updated on February 1, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.