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DR. MICHAEL RYAN GREER D.C.
NPI 1558629402
Chiropractor in Oakmont, PA

Active since April 30, 2012
609 ALLEGHENY AVE, OAKMONT, PA 15139(412) 828-0700(412) 828-9140 Get Directions Write a Review

NPPES record last updated: April 30, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Michael Ryan Greer D.c. NPPES

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

DR. MICHAEL RYAN GREER D.C. (NPI 1558629402) is an individual chiropractor in Oakmont, Pennsylvania, licensed in Pennsylvania (DC007604L) and active in the NPI registry since April 2012. He is a graduate of Sherman College Of Straight Chiropractic (1999).

NPPES Registry Identity

NPI1558629402
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. MICHAEL RYAN GREERCredential: D.C.
Location Address609 ALLEGHENY AVEOakmont, PA 15139-2003
Mailing Address609 Allegheny AveOakmont, PA 15139-2003 · (412) 828-0700 · Fax (412) 828-9140
Phone(412) 828-0700
Fax(412) 828-9140
Sole ProprietorNo
Medical School CMSSherman College Of Straight ChiropracticGraduated 1999
Enumeration DateApril 30, 2012
✔ NPI 1558629402 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
Licenses✔ Licensed in PA · DC007604L✔ Licensed in NC · 2709
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
609 ALLEGHENY AVE, Oakmont, PA 15139
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Michael Ryan Greer D.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6709042294
PECOS Enrollment IDI20120727000607

Medicare Billing Reassignment

Medicare enrollment records show Michael Greer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Health Horizons, Inc
Same address
Chiropractor
609 ALLEGHENY AVE
Oakmont, PA 15139
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 3 clinicians in this Medicare group
NPI 1366474991 (412) 828-0700

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

Other Providers at the Same Location NPPES 8

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

REBECCA HEYNS L.M.T.
Massage Therapist
609 ALLEGHENY AVE
OAKMONT, PA 15139
Allegheny County (412) 828-0700
JARED NORTH DC
Chiropractor
609 ALLEGHENY AVE
OAKMONT, PA 15139
Allegheny County (412) 828-0700
DR. FRANK C CICIRELLO D.C.
Chiropractor
609 ALLEGHENY AVE
OAKMONT, PA 15139
Allegheny County (412) 828-0700
HEALTH HORIZONS, INC
Chiropractor
609 ALLEGHENY AVE
OAKMONT, PA 15139
Allegheny County (412) 828-0700
DENISE B FAHRION LMT
Massage Therapist
609 ALLEGHENY AVE
OAKMONT, PA 15139
Allegheny County (412) 828-0700
DR. KATHERINE PALOMBINI CICIRELLO D.C.
Chiropractor
609 ALLEGHENY AVE
OAKMONT, PA 15139
Allegheny County (412) 828-0700
DR. KATHY ROTH PIZZELLA D.C.
Chiropractor
609 ALLEGHENY AVE
OAKMONT, PA 15139
Allegheny County (412) 828-0700
SARAH E STEVENS L.M.T.
Massage Therapist
609 ALLEGHENY AVE
OAKMONT, PA 15139
Allegheny County (412) 828-0700

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 Greer's NPI number?

The NPI number for Michael Greer is 1558629402. It was assigned to this individual provider in the NPPES registry on April 30, 2012.

Where is Michael Greer located?

Michael Greer practices at 609 Allegheny Ave, Oakmont, PA 15139. The listed phone number is (412) 828-0700.

What is Michael Greer's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Michael Greer enrolled in Medicare?

Yes. Michael Greer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Michael Greer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Greer reassigns Medicare benefits to Health Horizons, Inc (Oakmont, PA). The 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 Michael Greer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Michael Greer was last updated on April 30, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.