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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

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

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: August 23, 2026.

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

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, and ordering and referring status from the CMS PECOS system.

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.

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

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.

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 23 days 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.