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MAVIS GAISIE MD
NPI 1770227027
Pediatrics in Royal Oak, MI

Active since April 22, 2022PECOS Enrolled
3601 W 13 MILE RD, ROYAL OAK, MI 48073(248) 898-0413 Get Directions Write a Review

NPPES record last updated: April 20, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Apr 20, 2026, Feb 5, 2025, Apr 22, 2022 (3 updates tracked since 2022).

About Mavis Gaisie Md NPPES

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

MAVIS GAISIE MD (NPI 1770227027) is an individual pediatrics provider in Royal Oak, Michigan, licensed in Michigan (4351049426) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2007).

NPPES Registry Identity

NPI1770227027
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameMAVIS GAISIECredential: MD
Location Address3601 W 13 MILE RDRoyal Oak, MI 48073-6712
Mailing Address3601 W 13 Mile RdRoyal Oak, MI 48073-6712 · (248) 898-0413
Phone(248) 898-0413
Sole ProprietorNo
Medical School CMSOtherGraduated 2007
Enumeration DateApril 22, 2022
Last NPPES UpdateApril 20, 20263 updates tracked since enumeration
NPPES CertifiedApril 20, 2026
✔ NPI 1770227027 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in MI · 4351049426
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
3601 W 13 MILE RD, Royal Oak, MI 48073
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mavis Gaisie Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9335536275
PECOS Enrollment IDI20260226002625
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 Mavis Gaisie reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Lester E Cox Medical Centers
651 mi
Hospitalist
3801 S NATIONAL AVE STE 1134
Springfield, MO 65807
  • Reassigned Medicare billing, Missouri enrollment
  • 109 clinicians in this Medicare group
NPI 1407210917 (417) 269-7728

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 48073 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
$90.76 typical visit price
range $58.04 – $177.36
Typical copayment $22.69 (range $14.51 – $44.34)
Most-billed visit code 99203
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.

AMIT BAHL MD, MPH
Emergency Medicine
3601 W 13 MILE RD, WILLIAM BEAUMONT HOSPITAL
ROYAL OAK, MI 48073
Oakland County (248) 898-0575
CATHERINE LEE PA
Physician Assistant
3601 W 13 MILE RD
ROYAL OAK, MI 48073
Oakland County (248) 423-2481
DR. APARNA HARIHARAN M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
3601 W 13 MILE RD
ROYAL OAK, MI 48073
Oakland County (248) 898-9060
TERRENCE METZ
Radiology (Diagnostic Radiology)
3601 W 13 MILE RD
ROYAL OAK, MI 48073
Oakland County (248) 898-5000
NICOLE MARIJANOVICH MD
Internal Medicine
3601 W 13 MILE RD
ROYAL OAK, MI 48073
Oakland County (248) 898-7999
VINAYATA MANUBALLA KARETI D.O.
Internal Medicine (Gastroenterology)
3601 W 13 MILE RD
ROYAL OAK, MI 48073
Oakland County (661) 948-0803
WESLEY RICHARD BARNES M.D.
Surgery
3601 W 13 MILE RD
ROYAL OAK, MI 48073
Oakland County (248) 898-2800
MELISSA JOY DREWRY M.D.
Pediatrics
3601 W 13 MILE RD
ROYAL OAK, MI 48073
Oakland County (248) 898-5000

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 Mavis Gaisie's NPI number?

The NPI number for Mavis Gaisie is 1770227027. It was assigned to this individual provider in the NPPES registry on April 22, 2022.

Where is Mavis Gaisie located?

Mavis Gaisie practices at 3601 W 13 Mile Rd, Royal Oak, MI 48073. The listed phone number is (248) 898-0413.

What is Mavis Gaisie's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Mavis Gaisie enrolled in Medicare?

Yes. Mavis Gaisie is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mavis Gaisie's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mavis Gaisie reassigns Medicare benefits to Lester E Cox Medical Centers (Springfield, MO). 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 Mavis Gaisie'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 Mavis Gaisie was last updated on April 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.