MATTHEW H TWOHIG (MD) – Anatomic Pathology & Clinical Pathology Physician, NPI 1609839851

MATTHEW H TWOHIG (MD) is a healthcare provider. based in Rockford, Illinois. specializing in PATHOLOGY. They hold the professional credentials MD. They hold a License No. 48462 (WI). The NPI Number for MATTHEW H TWOHIG (MD) is 1609839851

Main info

Male
23 Years Of Experience
Accepts Medicare Assignment
Name
MATTHEW H TWOHIG (MD)
NPI
1609839851
Phone
(815) 489-4267
Address
1401 E STATE ST
Enumeration Date
10 April 2006
Last Update Date
19 July 2019

Doctor Profile

Medical School Name
UNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Secondary Phone
8154894267
Graduation Year
2003 (23 years ago)
PAC ID
5395816243
Group Practice PAC ID
6608902481
Professional Enrollment ID
I20080619000601
Address ID
IL611042315RO1401XSTXX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience63
Completeness75
Years active:20State licenses:2Digital endpointsOther names

766 PATHOLOGY in IL

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Provider Addresses for MATTHEW H TWOHIG (MD)

  • Swedish-American Hospital, 1401, East State Street, Rockford, Winnebago County, Illinois, 61104, United States

    ROCKFORD, IL 611042315

    Phone: (815) 489-4267

    Fax: (815) 968-8863

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $41.

Total Amount is formed as General ($41) + Research ($0) + Ownership ($0) = $41.

Last reported payment date: 2023-10-08 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($41).

Total Amount

$41

General + Research + Ownership

Payments

1

Total payment records

General Amount

$41

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-10-08

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2008-06-19

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20080619000601IPathologyILTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
88305Pathology examination of tissue using a microscope, intermediate complexity354287$0
88341Special stained specimen slides to examine tissue, each additional procedure22070$0
88342Special stained specimen slides to examine tissue, initial procedure164145$0
88311Preparation of tissue for examination by removing any calcium present8786$0
88307Pathology examination of tissue using a microscope, moderately high complexity6551$0
View full utilization report →

Insurance plans in this area (ZIP 61104)

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Provider's Procedures

MATTHEW H TWOHIG (MD) performs procedures in PATHOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
PATHOLOGYIL88304Pathology examination of tissue using a microscope, moderately low complexity9074
PATHOLOGYIL88307Pathology examination of tissue using a microscope, moderately high complexity10976
PATHOLOGYIL88312Special stained specimen slides to identify organisms including interpretation and report6442
PATHOLOGYIL88342Tissue or cell analysis by immunologic technique2724

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 6608902481View full group profile
NameSpecialtyState
P A T H O L O G YIL
P A T H O L O G YIL
Pathology, HematologyIL
P A T H O L O G YIL

Reviews

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Frequently asked questions

Can I verify MATTHEW H TWOHIG (MD) with an NPI only?
You can start verification with NPI 1609839851 for MATTHEW H TWOHIG (MD), then check state licensing separately.
Does CMS list MATTHEW H TWOHIG (MD) as active?
Yes — MATTHEW H TWOHIG (MD) is active in the NPI listing used on this page.
What is MATTHEW H TWOHIG (MD)'s specialty?
The listing groups MATTHEW H TWOHIG (MD) with Anatomic Pathology & Clinical Pathology Physician. Clinical services aligned with this taxonomy classification.
What area does MATTHEW H TWOHIG (MD) serve?
MATTHEW H TWOHIG (MD)'s listing highlights Rockford, Illinois; more addresses can appear in NPPES.
Is the information about MATTHEW H TWOHIG (MD) up to date?
Data updates when providers file changes in NPPES — treat critical facts as "verify if unsure."

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