Greg R. Johnson, DO
Nephrology Physician · Fort Wayne, IN
Greg R. Johnson, DO is a nephrology physician with a practice address in Fort Wayne, Indiana, and NPI 1013960269, issued on May 18, 2006. Check the license (Indiana 02001531A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Greg R. Johnson
- Credential
- DO
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 02001531A IN
Self-reported in NPPES; status is on the state search - Practice location
- 3909 New Vision Dr, Fort Wayne, IN 46845
- Phone
- (260) 469-6602
- Enumerated
- May 18, 2006
- Record last updated
- Dec 21, 2022
- Fax
- (260) 969-3065
- Medicaid ID
- 200015220 IN
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 265 in Indiana → Look up another NPI →
Also registered at 3909 New Vision Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephanie AmstutzRegistered Dietitian1831566348
- Erika Arnold, NP-CNurse Practitioner1932522695
- Amanjit BanwaitNurse Practitioner1881314631
- Kristen BischoffRegistered Dietitian1861846636
- Brooke Bohnstedt, NP-CFamily Medicine Physician1588067300
- Sean BrennanFamily Medicine Physician1821103698
Verify Greg R. Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 02001531ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $25.00
1 payment: food and beverage; the largest payer was Idorsia Pharmaceuticals US Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Greg R. Johnson among 265 nephrology physician records in Indiana
Greg R. Johnson, DO is one of 265 nephrology 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 26% of them.
- NPI issued2006 · 26% of these records are older, 43% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileNo · 75% of these records are
- Record last updated2022 · 29% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Indiana
There are 265 nephrology physician records in Indiana.
All 265 in Indiana → Every provider in Fort Wayne → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Garima Gupta, MDFort Wayne, IN 468451073729125
- Irfan MunirFort Wayne, IN 468451073515086
- Richard Nielsen, M.D.Fort Wayne, IN 468451619207941
- Badal Raval, MDFort Wayne, IN 468451427009653
- Mark Rumancik, MDFort Wayne, IN 468451467454470
- Kanakapura Venkatakrishna, MDFort Wayne, IN 468451144222142
- Mohammad Ali Al Mahdawi, M.DFort Wayne, IN 468041992236749
- Awsse Al-Ani, MBBSFort Wayne, IN 468041679033641
Common questions
What is Greg R. Johnson, DO's NPI number?
Greg R. Johnson, DO's National Provider Identifier (NPI) is 1013960269, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Greg R. Johnson, DO located?
The NPPES record lists a practice address at 3909 New Vision Dr, Fort Wayne, IN, 46845. Phone: (260) 469-6602. Providers update this record themselves, so call before visiting.
How can I verify Greg R. Johnson, DO's license?
NPPES lists Indiana license number 02001531A, 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.
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.