NPPES file of Aug 9, 2026

Gregory Scott Masimore, MD

Pain Medicine Physician · Greenwood, IN

Gregory Scott Masimore, MD is a pain medicine physician with a practice address in Greenwood, Indiana, and NPI 1104878982, issued on May 17, 2006. Check the license (Indiana 01042621A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1104878982
Name
Gregory Scott Masimore
Credential
MD
Primary taxonomy
Pain Medicine Physician 208VP0000X
License number
01042621A IN
Self-reported in NPPES; status is on the state search
Practice location
730 Executive Park Dr Ste A, Greenwood, IN 46143
Phone
(317) 346-7246
Enumerated
May 17, 2006
Record last updated
Dec 13, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(317) 543-3763
Medicaid ID
200816430 IN
Medicare enrollment
Enrolled (PECOS I20060608000311); accepts Medicare assignment
Medical or professional school
Ohio State University College Of Medicine, 1988
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Gregory Scott Masimore in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Licensing Board of Indiana
    Search for license 01042621A
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Indiana license search

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2.1 times the Medicare Part D claims of the average pain medicine physician in 2024

4,391 Medicare Part D claims for 199 beneficiaries, against an average of 2,095 among the 944 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims. 1,845 claims were for opioids.

  1. Gregory Masimore4,391
  2. Specialty average2,095

Most prescribed

  1. Hydrocodone-Acetaminophen612 claims
  2. Oxycodone-Acetaminophen447 claims
  3. Baclofen437 claims
  4. Gabapentin385 claims
  5. Oxycodone Hcl352 claims
  6. Duloxetine Hcl228 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Gregory Scott Masimore among 28 pain medicine physician records in Indiana

Gregory Scott Masimore, MD is one of 28 pain medicine physician records with a practice address in Indiana. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.

  • NPI issued2006 · 14% of these records are older, 36% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 79% of these records are
  • Graduated1988 · median 2000 among the 22 with a school on file
  • Record last updated2017 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208VP0000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pain Medicine Physician providers in Indiana

There are 28 pain medicine physician records in Indiana.

The 8 pain medicine physician records with the nearest ZIP codes

  1. Philip Shumsky, MDIndianapolis, IN 462021609258763
  2. Dennis Wagner, MDIndianapolis, IN 462021891750501
  3. Ting Wei, MDIndianapolis, IN 462021861999773
  4. Patricia Johnson, MDZionsville, IN 460771891736864
  5. Lydia Ferrell, M.D.Indianapolis, IN 462271760476071
  6. Meredith Langhorst, MDFishers, IN 460381487606034
  7. Samiullah Kundi, MDIndianapolis, IN 462501932249323
  8. John Arbuckle, MDCarmel, IN 460321043292188

Common questions

What is Gregory Scott Masimore, MD's NPI number?

Gregory Scott Masimore, MD's National Provider Identifier (NPI) is 1104878982, issued on May 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Scott Masimore, MD located?

The NPPES record lists a practice address at 730 Executive Park Dr Ste A, Greenwood, IN, 46143. Phone: (317) 346-7246. Providers update this record themselves, so call before visiting.

How can I verify Gregory Scott Masimore, MD's license?

NPPES lists Indiana license number 01042621A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gregory Scott Masimore, MD prescribe under Medicare Part D?

In 2024, Gregory Scott Masimore, MD had 4,391 Medicare Part D claims for 199 beneficiaries; the average among pain medicine physician prescribers was 2,095. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.