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HAZEL OARK MEDICAL CENTER
NPI 1043245434
Internal Medicine in Hazel Park, MI

Active since July 12, 2006
23411 JOHN R RD, HAZEL PARK, MI 48030(248) 399-8331(248) 399-3912 Get Directions Write a Review

NPPES record last updated: August 19, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Hazel Oark Medical Center NPPES

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

HAZEL OARK MEDICAL CENTER (NPI 1043245434) is a healthcare organization registered as an internal medicine in Hazel Park, Michigan and active in the NPI registry since July 2006. The organization lists Harold Margolis, President, as its authorized official.

NPPES Registry Identity

NPI1043245434
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameOAKLAND MEDICAL GROUP PC
Location Address23411 JOHN R RDHazel Park, MI 48030-1404
Mailing Address23411 John R RdHazel Park, MI 48030-1404 · (248) 399-8331 · Fax (248) 399-3912
Phone(248) 399-8331
Fax(248) 399-3912
Organization SubpartNo
Authorized OfficialHarold MargolisPresident · (313) 538-3099
Enumeration DateJuly 12, 2006
Last NPPES UpdateAugust 19, 2008
✔ NPI 1043245434 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
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.
Also ListedInternal Medicine · GastroenterologyTaxonomy 207RG0100X
23411 JOHN R RD, Hazel Park, MI 48030
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Other Names 1

Doing Business AsHazel Oark Medical Center

Other Identifiers 3

OtherDA8060MI · Medicare Id Type Unspecified
Medicare PIN0M18750MI
Other700F310000MI · Blue Shield Group

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Hazel Oark Medical Center is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

30

Medicare enrollment records show 30 clinicians reassign Medicare billing to Hazel Oark Medical Center, which bills Medicare for the services they deliver. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 8

Diagnostic Radiology12
Cardiovascular Disease (Cardiology)6
Interventional Cardiology3
Neurology3
Interventional Radiology2
Pulmonary Disease2
Internal Medicine1
Physical Medicine and Rehabilitation1

Nearest to this location (20)

See all 30
George Dirani, M.D
Interventional Cardiology
NPI 1619310885
32255 NORTHWESTERN HWY STE 115
Farmington Hills, MI 48334
(248) 587-2300
✔ PECOS✔ Accepts Medicare16 mi
Eric Greenberg, DO
Cardiovascular Disease (Cardiology)
NPI 1689812489
32255 NORTHWESTERN HWY STE 115
Farmington Hills, MI 48334
(248) 587-2300
✔ PECOS✔ Accepts Medicare16 mi
James Lyddon, DO
Diagnostic Radiology
NPI 1992770986
32255 NORTHWESTERN HWY STE 100
Farmington Hills, MI 48334
(248) 945-0000
✔ PECOS✔ Accepts Medicare16 mi
Daya Vora, M.D.
Diagnostic Radiology
NPI 1023218153
32255 NORTHWESTERN HWY STE 100
Farmington Hills, MI 48334
(248) 945-0000
✔ PECOS✔ Accepts Medicare16 mi
Dustin Feldman, D.O.
Interventional Cardiology
NPI 1689894867
32255 NORTHWESTERN HWY STE 50
Farmington Hills, MI 48334
(947) 227-8420
✔ PECOS✔ Accepts Medicare16 mi
Jonathan Olsen, M.D.
Diagnostic Radiology
NPI 1700198561
32255 NORTHWESTERN HWY STE 135
Farmington Hills, MI 48334
(947) 228-5500
✔ PECOS✔ Accepts Medicare16 mi
Stephen Vartanian, MD
Interventional Radiology
NPI 1790990919
32255 NORTHWESTERN HWY STE 135
Farmington Hills, MI 48334
(947) 228-5500
✔ PECOS✔ Accepts Medicare16 mi
Eric Biondo Savin, D.O.
Diagnostic Radiology
NPI 1043530215
28595 ORCHARD LAKE RD STE 200
Farmington Hills, MI 48334
(248) 553-0010
✔ PECOS✔ Accepts Medicare16 mi
Kevin Carter, DO
Diagnostic Radiology
NPI 1659422749
50 N PERRY ST
Pontiac, MI 48342
(248) 338-5604
✔ PECOS✔ Accepts Medicare17 mi
Steven Korotkin, MD
Cardiovascular Disease (Cardiology)
NPI 1396736179
32270 TELEGRAPH RD STE 100
Bingham Farms, MI 48025
(248) 258-2888
✔ PECOS✔ Accepts Medicare19 mi
Herman Kado, M.D.
Cardiovascular Disease (Cardiology)
NPI 1033367362
28625 NORTHWESTERN HWY SUITE 150
Southfield, MI 48034
(248) 587-2300
✔ PECOS✔ Accepts Medicare19 mi
Justin Trivax, M.D.
Interventional Cardiology
NPI 1174566095
31500 TELEGRAPH RD SUITE 115
Bingham Farms, MI 48025
(248) 594-4913
✔ PECOS✔ Accepts Medicare19 mi
Andrew Borin, DO
Cardiovascular Disease (Cardiology)
NPI 1346212800
38525 8 MILE RD
Livonia, MI 48152
(734) 464-8800
✔ PECOS✔ Accepts Medicare19 mi
Michael Savin, M.D.
Interventional Radiology
NPI 1821059049
3601 W 13 MILE RD
Royal Oak, MI 48073
(248) 898-6064
✔ PECOS✔ Accepts Medicare23 mi
Syed Jafri, MD
Diagnostic Radiology
NPI 1467412221
3601 W 13 MILE RD
Royal Oak, MI 48073
(248) 551-6069
✔ PECOS✔ Accepts Medicare23 mi
Adam Tawney, MD
Cardiovascular Disease (Cardiology)
NPI 1962865147
3601 W 13 MILE RD
Royal Oak, MI 48073
(313) 473-1000
✔ PECOS✔ Accepts Medicare23 mi
Anindya Roy, MD
Diagnostic Radiology
NPI 1083674071
3601 W 13 MILE RD
Royal Oak, MI 48073
(248) 423-2481
✔ PECOS✔ Accepts Medicare24 mi
Geoffrey Saham, MD
Cardiovascular Disease (Cardiology)
NPI 1609857598
3950 S ROCHESTER RD SUITE 1300
Rochester Hills, MI 48307
(248) 299-0000
✔ PECOS✔ Accepts Medicare25 mi
Michael Margolis, MD
Internal Medicine
NPI 1235120551
3950 S ROCHESTER RD STE 1200
Rochester Hills, MI 48307
(248) 844-6000
✔ PECOS✔ Accepts Medicare25 mi
Norman Burns, MD
Neurology
NPI 1891793402
3950 S ROCHESTER RD SUITE 1200
Rochester Hills, MI 48307
(248) 844-6000
✔ PECOS✔ Accepts Medicare25 mi
See all 30 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Oakland Medical Group PC's NPI number?

The NPI number for Oakland Medical Group PC is 1043245434. It was assigned to this organization in the NPPES registry on July 12, 2006. The provider is doing business as Hazel Oark Medical Center.

Where is Oakland Medical Group PC located?

Oakland Medical Group PC is located at 23411 John R Rd, Hazel Park, MI 48030. The listed phone number is (248) 399-8331.

What is Oakland Medical Group PC's specialty?

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

Is Oakland Medical Group PC enrolled in Medicare?

Yes. Oakland Medical Group PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Oakland Medical Group PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 30 clinicians in 8 Medicare specialties reassign their Medicare billing to Oakland Medical Group PC. A 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 the clinician's services. The largest specialties are Diagnostic Radiology (12), Cardiovascular Disease (Cardiology) (6) and Interventional Cardiology (3). Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Oakland Medical Group PC accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan and Ambetter from Meridian list Oakland Medical Group PC 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 Oakland Medical Group PC was last updated on August 19, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.