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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.

MARK THOMAS MAY MD
NPI 1003610981
Internal Medicine in Rochester, MN

Active since April 01, 2025PECOS Enrolled
200 1ST ST SW, ROCHESTER, MN 55905(507) 284-2511 Get Directions Write a Review

NPPES record last updated: July 15, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 15, 2026, Jun 27, 2025, Apr 1, 2025 (3 updates tracked since 2025).

About Mark Thomas May Md NPPES

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

MARK THOMAS MAY MD (NPI 1003610981) is an individual internal medicine provider in Rochester, Minnesota, licensed in Minnesota (83132) and active in the NPI registry since April 2025. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1003610981
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMARK THOMAS MAYCredential: MD
Location Address200 1ST ST SWRochester, MN 55905-0001
Mailing AddressPo Box 860912Minneapolis, MN 55486-0912 · (507) 284-2511
Phone(507) 284-2511
Sole ProprietorNo
Enumeration DateApril 1, 2025
Last NPPES UpdateJuly 15, 20263 updates tracked since enumeration
NPPES CertifiedJuly 15, 2026
✔ NPI 1003610981 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in MN · 83132✔ Licensed in MN · 35271
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.
200 1ST ST SW, Rochester, MN 55905
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mark Thomas May Md 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55905 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
$127.61 typical visit price
range $56.00 – $168.28
Typical copayment $31.90 (range $14.00 – $42.07)
Most-billed visit code 99204
Established Patient
$98.61 typical visit price
range $18.32 – $138.04
Typical copayment $24.65 (range $4.58 – $34.51)
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.

EMILY LEASURE MD
Internal Medicine
200 1ST ST SW
ROCHESTER, MN 55905
Olmsted County (507) 284-2511
NATHANAEL BAILEY
Pathology (Clinical Pathology/Laboratory Medicine)
200 1ST ST SW
ROCHESTER, MN 55905
Olmsted County (507) 284-2511
NICOLE S NIPPER NP
Nurse Practitioner
200 1ST ST SW
ROCHESTER, MN 55905
Olmsted County (507) 284-2511
BRANDI D'SOUZA NP
Nurse Practitioner
200 1ST ST SW
ROCHESTER, MN 55905
Olmsted County (507) 284-2511
DR. JODI M. MOORE-WEISS OD
Optometrist
200 1ST ST SW
ROCHESTER, MN 55905
Olmsted County (507) 284-2511
JENNIFER L KERKVLIET MA
Psychologist
200 1ST ST SW
ROCHESTER, MN 55905
Olmsted County (507) 284-2511
EMMANUEL J LUJERO CRNA
Nurse Anesthetist, Certified Registered
200 1ST ST SW
ROCHESTER, MN 55905
Olmsted County (507) 284-2511
JUAN PABLO BRITO CAMPANA M.D
Internal Medicine (Endocrinology, Diabetes & Metabolism)
200 1ST ST SW
ROCHESTER, MN 55905
Olmsted County (507) 284-2511

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 Mark May's NPI number?

The NPI number for Mark May is 1003610981. It was assigned to this individual provider in the NPPES registry on April 1, 2025.

Where is Mark May located?

Mark May practices at 200 1st St SW, Rochester, MN 55905. The listed phone number is (507) 284-2511.

What is Mark May's specialty?

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

Is Mark May enrolled in Medicare?

Yes. Mark May is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mark May was last updated on July 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 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.