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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

PAUL THEODORE GREINER MD
NPI 1861466997
Internal Medicine in Mansfield, MA

Active since February 15, 2006
100/100
CMS Quality Rating
205 CHAUNCY STREET, MANSFIELD, MA 02048(508) 339-2105(508) 339-5837 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Paul Theodore Greiner Md NPPES

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

PAUL THEODORE GREINER MD (NPI 1861466997) is an individual internal medicine provider in Mansfield, Massachusetts, licensed in Massachusetts (36326) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1861466997
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NamePAUL THEODORE GREINERCredential: MD
Location Address205 CHAUNCY STREETMansfield, MA 02048
Mailing Address205 Chauncy StreetMansfield, MA 02048 · (508) 339-2105 · Fax (508) 339-5837
Phone(508) 339-2105
Fax(508) 339-5837
Sole ProprietorNo
Enumeration DateFebruary 15, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1861466997 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 36326
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.
205 CHAUNCY STREET, Mansfield, MA 02048
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Other Identifiers 1

Medicaid2032562MA

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES

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

PAULA A MCBRINE MD
Internal Medicine (Hematology & Oncology)
205 CHAUNCY STREET
MANSFIELD, MA 02048
Bristol County (508) 339-7434

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 Paul Greiner's NPI number?

The NPI number for Paul Greiner is 1861466997. It was assigned to this individual provider in the NPPES registry on February 15, 2006.

Where is Paul Greiner located?

Paul Greiner practices at 205 Chauncy Street, Mansfield, MA 02048. The listed phone number is (508) 339-2105.

What is Paul Greiner's specialty?

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

When was this NPI record last updated?

The NPPES record for Paul Greiner was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 days 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.