NPPES file of Aug 9, 2026

John Frederick Sigman

Dentist · Columbus, GA

John Frederick Sigman is a dentist with a practice address in Columbus, Georgia, and NPI 1588749923, issued on Oct 26, 2006. Check the license (Georgia 012017, as entered in NPPES) with the Georgia 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
1588749923
Name
John Frederick Sigman
Primary taxonomy
Dentist 122300000X
License number
012017 GA
Self-reported in NPPES; status is on the state search
Practice location
3920 Rosemont Drive, Columbus, GA 31904
Phone
(706) 323-2775
Enumerated
Oct 26, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(706) 596-9103
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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Also registered at 3920 Rosemont Drive

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

  1. Edmidio Fernandez, DMDDentist1407931843

Verify John Frederick Sigman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Georgia board licenses this profession
    Search for license 012017
    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 Georgia license search

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2.4 times the Medicare Part D claims of the average dentist in 2024

205 Medicare Part D claims for 120 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. 46 claims were for opioids.

  1. John Sigman205
  2. Specialty average86

Most prescribed

  1. Amoxicillin96 claims
  2. Hydrocodone-Acetaminophen43 claims
  3. Cephalexin23 claims
  4. Clindamycin Hcl12 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.

Industry payments in 2024: $343.15

6 payments; by number, the most common kind was gift; the largest payer was Premier Dental Products Company. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Sigman$343.15
  2. Specialty average$540.36

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

John Frederick Sigman among 2,056 dentist records in Georgia

John Frederick Sigman is one of 2,056 dentist records with a practice address in Georgia. 66% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 77% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

40 dentist records list a practice address in Columbus

They are 40 of the 5,517 NPPES records with a practice address in Columbus, and 2,056 dentist records in Georgia.

The 8 dentist records with the nearest ZIP codes

  1. Matthew Adams, DMDColumbus, GA 319041811001092
  2. Abigail Adams, D.M.D.Columbus, GA 319041275940215
  3. Lionel Baker, D.D.S.Columbus, GA 319041770671463
  4. Monica Chana, DMDColumbus, GA 319041831503580
  5. Christina Cox, D.M.DColumbus, GA 319041396150231
  6. Edmidio Fernandez, DMDColumbus, GA 319041407931843
  7. Robert Houston, DMDColumbus, GA 319041487788543
  8. Janice Joyce, DDSColumbus, GA 319041528119344

Common questions

What is John Frederick Sigman's NPI number?

John Frederick Sigman's National Provider Identifier (NPI) is 1588749923, issued on Oct 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Frederick Sigman located?

The NPPES record lists a practice address at 3920 Rosemont Drive, Columbus, GA, 31904. Phone: (706) 323-2775. Providers update this record themselves, so call before visiting.

How can I verify John Frederick Sigman's license?

NPPES lists Georgia license number 012017, as entered by the provider. Search the Georgia board that licenses this profession; the NPPES record confirms identity only.

How much does John Frederick Sigman prescribe under Medicare Part D?

In 2024, John Frederick Sigman had 205 Medicare Part D claims for 120 beneficiaries; the average among dentist prescribers was 86. 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.