NPPES file of Aug 9, 2026

John Sizemore, MSN AG-ACNP

Gerontology Nurse Practitioner · Greenwood, IN

John Sizemore, MSN AG-ACNP is a gerontology nurse practitioner with a practice address in Greenwood, Indiana, and NPI 1629649314, issued on Jul 5, 2021. Check the license (Indiana 71011422A, as entered in NPPES) with the Indiana board that licenses this profession; 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
1629649314
Name
John Sizemore
Credential
MSN AG-ACNP
Primary taxonomy
Gerontology Nurse Practitioner 363LG0600X
License number
71011422A IN
Self-reported in NPPES; status is on the state search
Practice location
701 E County Line RD Ste 101, Greenwood, IN 46143
Phone
(317) 885-2860
Enumerated
Jul 5, 2021
Record last updated
Jan 14, 2022
Medicaid ID
300054753 IN
Medicare enrollment
Enrolled (PECOS I20210817001724); accepts Medicare assignment
Medical or professional school
Indiana Medical College, School Of Medicine Of Purdue University, 2021
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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Also registered at 701 E County Line RD Ste 101

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ashraf Abdelhafez, MDHospitalist Physician1780977751
  2. Loor Alshawa, MDPulmonary Disease Physician1962907410
  3. Kristin Bennett, FNP-CFamily Nurse Practitioner1386241271
  4. Sheevani Bhalsod, D.O.Hospitalist Physician1629411236
  5. Jay Bhavsar, DOHospitalist Physician1568971505
  6. Sarah Casper, NPAdult Health Nurse Practitioner1588278709

Verify John Sizemore in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Indiana board licenses this profession
    Search for license 71011422A
    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
Find the Indiana license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $41.72

3 payments; by number, the most common kind was food and beverage; the largest payer was Tactile Systems Technology Inc. The 3,903 providers of this specialty with any payment received $742.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Sizemore$41.72
  2. Specialty average$742.05

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. St Francis Medical Group LLCGreenwood, IN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

John Sizemore among 323 gerontology nurse practitioner records in Indiana

John Sizemore, MSN AG-ACNP is one of 323 gerontology nurse practitioner records with a practice address in Indiana. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 57% of them.

  • NPI issued2021 · 57% of these records are older, 31% newer
  • In a Medicare fileYes · 91% of these records are
  • In the CMS Doctors and Clinicians fileYes · 84% of these records are
  • Graduated2021 · median 2020 among the 271 with a school on file
  • Record last updated2022 · 21% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LG0600X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gerontology Nurse Practitioner providers in Indiana

There are 323 gerontology nurse practitioner records in Indiana.

The 8 gerontology nurse practitioner records with the nearest ZIP codes

  1. Emily Keller, AGACNP-BCGreenwood, IN 461431104555812
  2. Courtney Nelson, AGPCNP-CGreenwood, IN 461431083096465
  3. Ashley Rittenhouse-Smith, NPGreenwood, IN 461431114604451
  4. Samantha Stephens, AGACNP-BCGreenwood, IN 461431871291930
  5. Jenna Treadwell, NPGreenwood, IN 461431548611346
  6. Justina Wellman, AGACNPGreenwood, IN 461431225557168
  7. Stacy Westmoreland, AGACNPGreenwood, IN 461431093336679
  8. Michelle Catt, NPMartinsville, IN 461511578892550

Common questions

What is John Sizemore, MSN AG-ACNP's NPI number?

John Sizemore, MSN AG-ACNP's National Provider Identifier (NPI) is 1629649314, issued on Jul 5, 2021. An NPI identifies a provider in billing; it is not a license.

Where is John Sizemore, MSN AG-ACNP located?

The NPPES record lists a practice address at 701 E County Line RD Ste 101, Greenwood, IN, 46143. Phone: (317) 885-2860. Providers update this record themselves, so call before visiting.

How can I verify John Sizemore, MSN AG-ACNP's license?

NPPES lists Indiana license number 71011422A, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity 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.