Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jacqueline K Macknis, M.D.

Anatomic Pathology & Clinical Pathology Physician in Royal Oak, MI · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1336109438

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Registry record

Entity type Individual (Type 1)

Name Jacqueline K Macknis

Credential M.D.

Sex Female

Practice address 3601 W 13 Mile Rd, Royal Oak, MI, 48073

Phone (248) 423-3144

Enumeration date Mar 24, 2006

Last updated in NPPES Jun 15, 2011

Taxonomy & licenses

207ZP0101X Anatomic Pathology Physician Allopathic & Osteopathic Physicians · License 4301067705 (MI) Secondary

207ZP0102X Anatomic Pathology & Clinical Pathology Physician Allopathic & Osteopathic Physicians · License 4301067705 (MI) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
220F349850	Other	MI	BCBSM
4634690	Medicaid	MI	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Jacqueline Macknis?

The National Provider Identifier (NPI) for Jacqueline Macknis is 1336109438, a Type 1 (individual) record in the CMS NPPES registry.

Where does Jacqueline Macknis practice?

The practice location on file with NPPES is in Royal Oak, MI. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Cheryl Grain Nurse Practitioner · Royal Oak, MI NPI 1437155538 Thomas Schwann Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Royal Oak, MI NPI 1134125727 Costa Andreou Cardiovascular Disease Physician · Royal Oak, MI NPI 1114925419 Naushaba Mohiuddin Nephrology Physician · Royal Oak, MI NPI 1699773879 Melissa Marback Obstetrics & Gynecology Physician · Royal Oak, MI NPI 1083606586 Douglas Horstmanshof Cardiovascular Disease Physician · Royal Oak, MI NPI 1881688760 Patrick Pettengill Emergency Medicine Physician · Royal Oak, MI NPI 1639163488 Yvonne Posey Chemical Pathology Physician · Royal Oak, MI NPI 1467447151

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-06-15.