DR. MATTHEW DALTON SIMSON M.D.
NPI 1245812403
Internal Medicine in Rochester, NY

Q: What is Matthew Simson's NPI number?

The NPI number for Matthew Simson is 1245812403. It was assigned to this individual provider in the NPPES registry on April 26, 2021.

Q: What is Matthew Simson's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Matthew Simson was last updated on August 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since April 26, 2021PECOS Enrolled

601 ELMWOOD AVENUE, # 679, ROCHESTER, NY 14642(585) 275-4290(585) 473-1573 Get Directions Write a Review

NPPES record last updated: August 7, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 7, 2026, Jul 22, 2024, Apr 26, 2021 (3 updates tracked since 2021).

On this page

About Dr. Matthew Dalton Simson M.d. NPPES

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

DR. MATTHEW DALTON SIMSON M.D. (NPI 1245812403) is an individual internal medicine provider in Rochester, New York, licensed in New York (337874) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, maintains a secondary practice location in Syracuse, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1245812403

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. MATTHEW DALTON SIMSONCredential: M.D.

Location Address601 ELMWOOD AVENUE, # 679Rochester, NY 14642-0001

Mailing Address601 Elmwood Avenue, Box 679Rochester, NY 14642-0001 · (585) 275-4290 · Fax (585) 473-1573

Phone(585) 275-4290

Fax(585) 473-1573

Sole ProprietorNo

Medical School CMSOtherGraduated 2021

Enumeration DateApril 26, 2021

Last NPPES UpdateAugust 7, 20263 updates tracked since enumeration

NPPES CertifiedAugust 7, 2026

✔ NPI 1245812403 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in NY · 337874

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

601 ELMWOOD AVENUE, Rochester, NY 14642

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Secondary Practice Location 1

Location 1301 Prospect AveSyracuse, NY 13203-1807 · Phone (315) 448-5111

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Matthew Dalton Simson M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9931500790

PECOS Enrollment IDI20260506002455

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 Reassignment

Medicare enrollment records show Matthew Simson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

St Josephs Medical PC

74 mi

Family Medicine

5100 W TAFT RD
Liverpool, NY 13088

Reassigned Medicare billing, New York enrollment
625 clinicians in this Medicare group

NPI 1942501747 (315) 452-2828

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 14642 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

$126.40 typical visit price

range $54.87 – $166.88

Typical copayment $31.60 (range $13.71 – $41.72)

Most-billed visit code 99204

Established Patient

$97.08 typical visit price

range $17.54 – $136.14

Typical copayment $24.27 (range $4.38 – $34.03)

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.

ALEX PU M.D.

Student in an Organized Health Care Education/Training Program

601 ELMWOOD AVENUE, BOX 679
ROCHESTER, NY 14642

Monroe County (585) 275-4290

XIAOLAN OU MD

Pathology (Anatomic Pathology & Clinical Pathology)

601 ELMWOOD AVENUE, UNIVERSITY OF ROCHESTER MEDICAL CENTER
ROCHESTER, NY 14642

Monroe County (585) 275-3191

GHAZI TALIB KHAN M.D.

Internal Medicine

601 ELMWOOD AVENUE, BOX 679
ROCHESTER, NY 14642

Monroe County (585) 275-4290

YU WING YEUNG M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

601 ELMWOOD AVENUE
ROCHESTER, NY 14642

Monroe County (585) 275-5662

MRS. BETH ANNE DELPAPA NP

Nurse Practitioner (Family)

601 ELMWOOD AVENUE, BOX 679-Y
ROCHESTER, NY 14642

Monroe County (585) 275-4775

DR. RAVINDER SIDHU M.D.

Radiology (Diagnostic Radiology)

601 ELMWOOD AVENUE
ROCHESTER, NY 14642

Monroe County (585) 275-2734

CHRISTOPHER MALANGA M.D.

Student in an Organized Health Care Education/Training Program

601 ELMWOOD AVENUE, BOX 679
ROCHESTER, NY 14642

Monroe County (585) 275-4290

CHUNKIT FUNG M.D.

Internal Medicine (Hematology & Oncology)

601 ELMWOOD AVENUE
ROCHESTER, NY 14642

Monroe County (585) 275-5823

DR. PHUONG-LAN THI NGUYEN MD

Pathology (Anatomic Pathology & Clinical Pathology)

601 ELMWOOD AVENUE
ROCHESTER, NY 14642

Monroe County (585) 758-0510

MOUNIR FAKHOURI M.D.

Student in an Organized Health Care Education/Training Program

601 ELMWOOD AVENUE
ROCHESTER, NY 14642

Monroe County (585) 275-2100

SHANTE WHITE M.D.

Anesthesiology (Pediatric Anesthesiology)

601 ELMWOOD AVENUE
ROCHESTER, NY 14642

Monroe County (585) 275-1385

INDIVIDUAL

General Acute Care Hospital

601 ELMWOOD AVENUE
ROCHESTER, NY 14642

Monroe County (585) 275-2975

YING WANG

Pathology (Anatomic Pathology & Clinical Pathology)

601 ELMWOOD AVENUE, UNIVERSITY OF ROCHESTER MEDICAL CENTER, 626
ROCHEST, NY 14642

Monroe County (573) 882-1201

SYDNEY MARIA CAHILL PA-C

Physician Assistant

601 ELMWOOD AVENUE
ROCHESTER, NY 14642

Monroe County (585) 275-2100

STEVEN JOSEPH AVINO M.D.

Student in an Organized Health Care Education/Training Program

601 ELMWOOD AVENUE, # 679
ROCHESTER, NY 14642

Monroe County (585) 275-4290

MR. JAKUB STANISZEWSKI M.D.

Student in an Organized Health Care Education/Training Program

601 ELMWOOD AVENUE
ROCHESTER, NY 14642

Monroe County (585) 981-0718

LINDA M GILL M.D.

Psychiatry & Neurology (Psychiatry)

601 ELMWOOD AVENUE, BOX PSYCH
ROCHESTER, NY 14642

Monroe County (585) 275-6733

DR. ARAM FRANCIS HEZEL MD

Internal Medicine (Hematology & Oncology)

601 ELMWOOD AVENUE, BOX 704
ROCHESTER, NY 14642

Monroe County (585) 275-5853

JOSEPH DOMINIC RACO M.D.

Hospitalist

601 ELMWOOD AVENUE, # 679
ROCHESTER, NY 14642

Monroe County (585) 275-4290

ELIZABETH WARD MCKINLEY NP

Rehabilitation Practitioner

601 ELMWOOD AVENUE
ROCHESTER, NY 14642

Monroe County (585) 275-3271

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 Matthew Simson's NPI number?

The NPI number for Matthew Simson is 1245812403. It was assigned to this individual provider in the NPPES registry on April 26, 2021.

Where is Matthew Simson located?

Matthew Simson practices at 601 Elmwood Avenue # 679, Rochester, NY 14642. The listed phone number is (585) 275-4290.

What is Matthew Simson's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Matthew Simson enrolled in Medicare?

Yes. Matthew Simson is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Matthew Simson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Simson reassigns Medicare benefits to St Josephs Medical PC (Liverpool, NY). The 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 Matthew Simson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Matthew Simson was last updated on August 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.