ELIZABETH J MAY MD, PHD
NPI 1841238904
Internal Medicine - Gastroenterology in Southfield, MI

Active since June 02, 2006PECOS Enrolled
26400 W 12 MILE RD, STE 111, SOUTHFIELD, MI 48034(313) 745-4525(248) 359-8036 Get Directions Write a Review

NPPES record last updated: October 10, 2014. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Elizabeth J May Md, Phd NPPES

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

ELIZABETH J MAY MD, PHD (NPI 1841238904) is an individual gastroenterology provider in Southfield, Michigan, licensed in Michigan (4301066237) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1841238904
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameELIZABETH J MAYCredential: MD, PHD
Location Address26400 W 12 MILE RD, STE 111Southfield, MI 48034-1700
Mailing Address1560 E Maple Road, Suite 400 - Credentialing DeptTroy, MI 48083-1189 · (313) 745-4525 · Fax (248) 359-8036
Fax(248) 359-8036
Sole ProprietorNo
Enumeration DateJune 2, 2006
Last NPPES UpdateOctober 10, 2014
✔ NPI 1841238904 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in MI · 4301066237
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X · License 4301066237 (MI)
26400 W 12 MILE RD, Southfield, MI 48034

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Elizabeth J May Md, Phd 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

2

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

Counselor
16836 NEWBURGH RD
Livonia, MI 48154
  • Reassigned Medicare billing, Michigan enrollment
  • 731 clinicians in this Medicare group
Hospitalist
601 JOHN STREET
Kalamazoo, MI 49007
  • Reassigned Medicare billing, Michigan enrollment
  • 1,133 clinicians in this Medicare group

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 48034 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
$134.28 typical visit price
range $58.04 – $177.36
Typical copayment $33.57 (range $14.51 – $44.34)
Most-billed visit code 99204
Established Patient
$102.35 typical visit price
range $18.32 – $143.49
Typical copayment $25.58 (range $4.58 – $35.87)
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.

Psychiatry & Neurology (Neurology)
26400 W 12 MILE RD, STE 170
SOUTHFIELD, MI 48034
Eyewear Supplier
26400 W 12 MILE RD, SUITE 60
SOUTHFIELD, MI 48034
Urology
26400 W 12 MILE RD, SUITE 70
SOUTHFIELD, MI 48034
Dermatology (MOHS-Micrographic Surgery)
26400 W 12 MILE RD, SUITE 180
SOUTHFIELD, MI 48034
Ophthalmology
26400 W 12 MILE RD, STE 60
SOUTHFIELD, MI 48034
Specialist
26400 W 12 MILE RD, STE 38
SOUTHFIELD, MI 48034
Psychiatry & Neurology (Neurology)
26400 W 12 MILE RD, SUITE 170
SOUTHFIELD, MI 48034
Internal Medicine (Cardiovascular Disease)
26400 W 12 MILE RD, SUITE 120
SOUTHFIELD, MI 48034

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 Elizabeth May's NPI number?

The NPI number for Elizabeth May is 1841238904. It was assigned to this individual provider in the NPPES registry on June 2, 2006.

Where is Elizabeth May located?

Elizabeth May practices at 26400 W 12 Mile Rd Ste 111, Southfield, MI 48034. The listed phone number is (313) 745-4525.

What is Elizabeth May's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Elizabeth May enrolled in Medicare?

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

Which organizations bill Medicare for Elizabeth May's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth May reassigns Medicare benefits to 2 organizations: University Physician Group (Livonia, MI) and Bronson Methodist Hospital (Kalamazoo, MI). 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 Elizabeth May's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Elizabeth May accept?

Health plans from CareSource list Elizabeth May 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 Elizabeth May was last updated on October 10, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.