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CALVIN D. GREER CRNP
NPI 1457481046
Nurse Practitioner in Philadelphia, PA

Active since March 06, 2007
909 WALNUT STREET, 2ND FLOOR, PHILADELPHIA, PA 19107(215) 955-7000(215) 503-7007 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Calvin D. Greer Crnp NPPES

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

CALVIN D. GREER CRNP (NPI 1457481046) is an individual nurse practitioner in Philadelphia, Pennsylvania, licensed in Pennsylvania (SP009347) and active in the NPI registry since March 2007.

NPPES Registry Identity

NPI1457481046
Entity TypeIndividualMale
Primary Taxonomy363L00000X
Provider Legal NameCALVIN D. GREERCredential: CRNP
Location Address909 WALNUT STREET, 2ND FLOORPhiladelphia, PA 19107-5211
Mailing Address615 Chestnut Street, 14th FloorPhiladelphia, PA 19106 · (215) 955-9628 · Fax (215) 955-2420
Phone(215) 955-7000
Fax(215) 503-7007
Sole ProprietorNo
Enumeration DateMarch 6, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1457481046 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in PA · SP009347
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
909 WALNUT STREET, Philadelphia, PA 19107
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Other Providers at the Same Location NPPES 10

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

DR. LY THIEN NGO M.D.
Psychiatry & Neurology (Neurology)
909 WALNUT STREET, 2ND FLOOR
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-1234
DR. ANDREW YAMPOLSKY DDS, MD
Oral & Maxillofacial Surgery
909 WALNUT STREET, SUITE 300
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-6215
ALLYSON ANNE PICKARD
Psychiatry & Neurology (Neurology)
909 WALNUT STREET, 2ND FLOOR, COB
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-1234
DR. CHRISTOPHER T. SKIDMORE M.D.
Psychiatry & Neurology (Neurology)
909 WALNUT STREET, COB, 2ND FLR
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-1234
DR. ALLEN F. CHAMPION DDS
Oral & Maxillofacial Surgery
909 WALNUT STREET, 300 COB
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-6215
DR. MATTHEW DALLAS VIBBERT MD
Psychiatry & Neurology (Neurology)
909 WALNUT STREET, COB, 2ND FLR
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-7000
DR. KIMBERLY A ATKINSON DO
Psychiatry & Neurology (Neurology)
909 WALNUT STREET, COB 2ND FLOOR
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-1234
SHACHIKA KHANNA DMD
Oral & Maxillofacial Surgery
909 WALNUT STREET, 300 COB
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-6215

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 Calvin Greer's NPI number?

The NPI number for Calvin Greer is 1457481046. It was assigned to this individual provider in the NPPES registry on March 6, 2007.

Where is Calvin Greer located?

Calvin Greer practices at 909 Walnut Street 2nd Floor, Philadelphia, PA 19107. The listed phone number is (215) 955-7000.

What is Calvin Greer's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

When was this NPI record last updated?

The NPPES record for Calvin Greer was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.