NPPES file of Aug 9, 2026

Gretchen Heidt Johnson, M.D.

Family Medicine Physician · Simpsonville, SC

Gretchen Heidt Johnson, M.D. is a family medicine physician with a practice address in Simpsonville, South Carolina, and NPI 1427084367, issued on Jun 23, 2006. Check the license (South Carolina 16411, as entered in NPPES) on the South Carolina Board of Medical Examiners; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1427084367
Name
Gretchen Heidt Johnson
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
16411 SC
Self-reported in NPPES; status is on the state search
Practice location
717 SE Main St, Simpsonville, SC 29681
Phone
(864) 522-5400
Enumerated
Jun 23, 2006
Record last updated
Jul 21, 2022
Fax
(864) 522-5405
Medicaid ID
164119 SC
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest family medicine physician records → All 2,700 in South Carolina → Look up another NPI →

Also registered at 717 SE Main St

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

  1. Robert Broker, M.D.Family Medicine Physician1558304550
  2. Brooke Campbell, FNPFamily Nurse Practitioner1881365922
  3. Jennifer Ellis, MDFamily Medicine Physician1083641757
  4. Katharine Few, DNP, FNP-CFamily Nurse Practitioner1083028914
  5. Debra Gibbs, FNPNurse Practitioner1083652762
  6. Francis Heidt, MDFamily Medicine Physician1497796999

Verify Gretchen Heidt Johnson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
    Search for license 16411    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 South Carolina 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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Gretchen Heidt Johnson among 2,700 family medicine physician records in South Carolina

Gretchen Heidt Johnson, M.D. is one of 2,700 family medicine physician records with a practice address in South Carolina. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 53% newer
  • In a Medicare fileNo · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 61% of these records are
  • Record last updated2022 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

53 family medicine physician records list a practice address in Simpsonville

They are 53 of the 1,142 NPPES records with a practice address in Simpsonville, and 2,700 family medicine physician records in South Carolina. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,700 in South Carolina → Every provider in Simpsonville → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Molly Adams, MDSimpsonville, SC 296811508853649
  2. Michael Atkinson, M.D.Simpsonville, SC 296811952388480
  3. Nivedita Bijoor, MDSimpsonville, SC 296811588631717
  4. Timothy Dancy, MDSimpsonville, SC 296811588637029
  5. Vincent Green, M.DSimpsonville, SC 296811366431025
  6. Terence Lillis, MDSimpsonville, SC 296811649222142
  7. Milena Lombardi, DOSimpsonville, SC 296811659320018
  8. Andrew McCraw, MDSimpsonville, SC 296811992762611

Common questions

What is Gretchen Heidt Johnson, M.D.'s NPI number?

Gretchen Heidt Johnson, M.D.'s National Provider Identifier (NPI) is 1427084367, issued on Jun 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gretchen Heidt Johnson, M.D. located?

The NPPES record lists a practice address at 717 SE Main St, Simpsonville, SC, 29681. Phone: (864) 522-5400. Providers update this record themselves, so call before visiting.

How can I verify Gretchen Heidt Johnson, M.D.'s license?

NPPES lists South Carolina license number 16411, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.