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ARNOLD MARKOWITZ, M.D., P.C.
NPI 1326213786
Internal Medicine in Keego Harbor, MI

Active since April 28, 2008CLIA 23D0371712 · Microscopy
2112 CASS LAKE RD, KEEGO HARBOR, MI 48320(248) 681-0360(248) 681-6749 Get Directions Write a Review

NPPES record last updated: June 2, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Arnold Markowitz, M.d., P.c. NPPES

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

ARNOLD MARKOWITZ, M.D., P.C. (NPI 1326213786) is a healthcare organization registered as an internal medicine in Keego Harbor, Michigan and active in the NPI registry since April 2008. The organization holds a CLIA Microscopy certificate valid through October 25, 2026 and lists Arnold Markowitz, Owner, as its authorized official.

NPPES Registry Identity

NPI1326213786
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameARNOLD MARKOWITZ, M.D., P.C.
Location Address2112 CASS LAKE RDKeego Harbor, MI 48320-1272
Mailing Address2112 Cass Lake RdKeego Harbor, MI 48320-1272 · (248) 681-0360 · Fax (248) 681-6749
Phone(248) 681-0360
Fax(248) 681-6749
Organization SubpartNo
Authorized OfficialArnold MarkowitzOwner · (248) 681-0360
Enumeration DateApril 28, 2008
Last NPPES UpdateJune 2, 2008
✔ NPI 1326213786 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ 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.
2112 CASS LAKE RD, Keego Harbor, MI 48320
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Other Identifiers 3

Medicare PINOP56930MI
Medicaid1088452MI
Medicare UPINE21683MI

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 23D0371712

Arnold Markowitz MD PC · Keego Harbor, MI
Active · expires Oct 25, 2026
CLIA Number23D0371712
Laboratory TypePhysician Office
Certificate Effective DateOctober 26, 2024
Certificate Expiration DateOctober 25, 2026
Laboratory DirectorArnold Markowitz
Laboratory Phone(248) 681-0360
Laboratory LocationArnold Markowitz MD PC2112 Cass Lake Road, Keego Harbor, MI 48320
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Other Providers at the Same Location NPPES

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

ROMAN FRANKLIN MD PLLC
Internal Medicine (Hematology & Oncology)
2112 CASS LAKE RD
KEEGO HARBOR, MI 48320
Oakland County (248) 681-0360

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 Arnold Markowitz, M.D., P.C.'s NPI number?

The NPI number for Arnold Markowitz, M.D., P.C. is 1326213786. It was assigned to this organization in the NPPES registry on April 28, 2008.

Where is Arnold Markowitz, M.D., P.C. located?

Arnold Markowitz, M.D., P.C. is located at 2112 Cass Lake Rd, Keego Harbor, MI 48320. The listed phone number is (248) 681-0360.

What is Arnold Markowitz, M.D., P.C.'s specialty?

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

Does Arnold Markowitz, M.D., P.C. hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 23D0371712) is associated with this NPI, valid through October 25, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Arnold Markowitz, M.D., P.C. was last updated on June 2, 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.