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DR. ERNESTINA S DE LOS SANTOS MAC M.D.
NPI 1972590677
Pediatrics in Rochester Hills, MI

Active since September 29, 2005PECOS Enrolled
633 SOUTH BLVD E STE 2400, ROCHESTER HILLS, MI 48307(248) 879-5570(248) 879-2235 Get Directions Write a Review

NPPES record last updated: November 14, 2019. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 14, 2019, Oct 14, 2019 (2 updates tracked since 2019).

About Dr. Ernestina S De Los Santos Mac M.d. NPPES

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

DR. ERNESTINA S DE LOS SANTOS MAC M.D. (NPI 1972590677) is an individual pediatrics provider in Rochester Hills, Michigan, licensed in Michigan (4301032311) and active in the NPI registry since September 2005. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1972590677
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. ERNESTINA S DE LOS SANTOS MACCredential: M.D.
Location Address633 SOUTH BLVD E STE 2400Rochester Hills, MI 48307
Mailing Address633 South Blvd E Ste 2400Rochester Hills, MI 48307-5471 · (248) 879-5570 · Fax (248) 879-2235
Phone(248) 879-5570
Fax(248) 879-2235
Sole ProprietorNo
Enumeration DateSeptember 29, 2005
Last NPPES UpdateNovember 14, 20192 updates tracked since enumeration
✔ NPI 1972590677 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in MI · 4301032311
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.
633 SOUTH BLVD E STE 2400, Rochester Hills, MI 48307
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Other Names 1

Other Name (5)Dr. Ernestina S Mac M.d.

Secondary Practice Locations 2

Location 144199 Dequindre Rd, Suite 222Troy, MI 48085-1128 · Phone (248) 879-5570 · Fax (248) 879-2235
Location 250720 Schoenherr RoadShelby Township, MI 48315-1128 · Phone (586) 566-2340 · Fax (586) 566-4425

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. Ernestina S De Los Santos Mac M.d. 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 48307 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 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PEDIATRIC CONSULTANTS OF TROY, P.C.
Pediatrics
633 SOUTH BLVD E STE 2400
ROCHESTER HILLS, MI 48307
Oakland County (248) 879-5570
DR. ELIZABETH A DUBINA M.D.
Pediatrics
633 SOUTH BLVD E STE 2400
ROCHESTER HILLS, MI 48307
Oakland County (248) 879-5570
DR. LAURA LYNN WARNER M.D.
Pediatrics
633 SOUTH BLVD E STE 2400
ROCHESTER HILLS, MI 48307
Oakland County (248) 879-5570

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 Ernestina De Los Santos Mac's NPI number?

The NPI number for Ernestina De Los Santos Mac is 1972590677. It was assigned to this individual provider in the NPPES registry on September 29, 2005. The provider is also known as Dr. Ernestina S Mac M.D..

Where is Ernestina De Los Santos Mac located?

Ernestina De Los Santos Mac practices at 633 South Blvd E Ste 2400, Rochester Hills, MI 48307. The listed phone number is (248) 879-5570.

What is Ernestina De Los Santos Mac's specialty?

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

Is Ernestina De Los Santos Mac enrolled in Medicare?

Yes. Ernestina De Los Santos Mac is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Ernestina De Los Santos Mac was last updated on November 14, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.