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MICHAEL BIENENFELD MD PA
NPI 1891820148
Internal Medicine - Geriatric Medicine in Cary, NC

Active since February 23, 2007
1505 SW CARY PKWY, SUITE 308, CARY, NC 27511(919) 303-1072(919) 387-7552 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Michael Bienenfeld Md Pa NPPES

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

MICHAEL BIENENFELD MD PA (NPI 1891820148) is a healthcare organization registered as a geriatric medicine in Cary, North Carolina and active in the NPI registry since February 2007. The organization lists Michael Bienenfeld, Owner, as its authorized official.

NPPES Registry Identity

NPI1891820148
Entity TypeOrganization
Primary Taxonomy207RG0300X
Legal Business NameMICHAEL BIENENFELD MD PA
Location Address1505 SW CARY PKWY, SUITE 308Cary, NC 27511-6219
Mailing Address1505 Sw Cary Pkwy, Suite 308Cary, NC 27511-6219 · (919) 303-1072 · Fax (919) 387-7552
Phone(919) 303-1072
Fax(919) 387-7552
Organization SubpartNo
Authorized OfficialMichael BienenfeldOwner · (919) 303-1072
Enumeration DateFebruary 23, 2007
Last NPPES UpdateAugust 22, 2020
✔ NPI 1891820148 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RG0300X
License✔ Licensed in NC · 9600863
Definition
An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.
1505 SW CARY PKWY, Cary, NC 27511
Open in Google Maps ↗

Other Identifiers 5

Other0402628NC · United Healthcare
Other16833NC · Partners Number
Other1006HNC · Bcbs Of Nc
Medicaid891006HNC
OtherAETNANC · 7812348

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Michael Bienenfeld Md Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Michael Bienenfeld MD PA, which bills Medicare for the services this clinician delivers.

Clinician (1)

Maurice Bienenfeld, M.D.
Internal Medicine
NPI 1528021631
3750 NW CARY PKWY STE 120
Cary, NC 27513
(919) 650-6111
✔ PECOS✔ Accepts Medicare2.8 mi

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 Michael Bienenfeld MD PA's NPI number?

The NPI number for Michael Bienenfeld MD PA is 1891820148. It was assigned to this organization in the NPPES registry on February 23, 2007.

Where is Michael Bienenfeld MD PA located?

Michael Bienenfeld MD PA is located at 1505 SW Cary Pkwy Suite 308, Cary, NC 27511. The listed phone number is (919) 303-1072.

What is Michael Bienenfeld MD PA's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Is Michael Bienenfeld MD PA enrolled in Medicare?

Yes. Michael Bienenfeld MD PA is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Michael Bienenfeld MD PA?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Michael Bienenfeld MD PA. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Michael Bienenfeld MD PA was last updated on August 22, 2020. 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.