NPPES file of Aug 9, 2026

Gordon Ladd Douglass, D.D.S.

Periodontics · Sacramento, CA

Gordon Ladd Douglass, D.D.S. is a periodontics with a practice address in Sacramento, California, and NPI 1801010699, issued on Apr 12, 2007. Check the license (California 21792, as entered in NPPES) with the California 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
1801010699
Name
Gordon Ladd Douglass
Credential
D.D.S.
Primary taxonomy
Periodontics 1223P0300X
License number
21792 CA
Self-reported in NPPES; status is on the state search
Practice location
3960 EL Camino Ave, Sacramento, CA 95821
Phone
(916) 483-4964
Enumerated
Apr 12, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(916) 483-6380
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 3960 EL Camino Ave

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

  1. John Childers, DDSGeneral Practice Dentistry1235349010
  2. Robert Katibah, D.D.S.General Practice Dentistry1083619795
  3. Upendra Patel, DDS, INC.Dentist1649337270
  4. Jeffrey Rosa, D.D.S.Dentist1801048566

Verify Gordon Ladd Douglass in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 21792
    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
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35% fewer Medicare Part D claims than the average periodontics in 2024

180 Medicare Part D claims for 54 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D.

  1. Gordon Douglass180
  2. Specialty average277

Most prescribed

  1. Chlorhexidine Gluconate67 claims
  2. Amoxicillin44 claims
  3. Ibuprofen32 claims
  4. Azithromycin11 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.

Gordon Ladd Douglass among 929 periodontics records in California

Gordon Ladd Douglass, D.D.S. is one of 929 periodontics records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 29% of them.

  • NPI issued2007 · 29% of these records are older, 40% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 78% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223P0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Periodontics providers in California

There are 929 periodontics records in California.

The 8 periodontics records with the nearest ZIP codes

  1. Gregory Chan, DDSSacramento, CA 958231508419797
  2. Wichurat Sakulpaptong, DDS, PHDSacramento, CA 958181720438708
  3. Robin BerrinSacramento, CA 958251881721199
  4. Pengjen Chen, DMD MSSacramento, CA 958251134247240
  5. Judith Lane, DDSSacramento, CA 958251447377064
  6. Robert Pretel, DDS MSDSacramento, CA 958251609993229
  7. Judson Roberts, DDSSacramento, CA 958251134246754
  8. Jonathan Szymanowski, DMD,MMSCSacramento, CA 958251164467148

Common questions

What is Gordon Ladd Douglass, D.D.S.'s NPI number?

Gordon Ladd Douglass, D.D.S.'s National Provider Identifier (NPI) is 1801010699, issued on Apr 12, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Gordon Ladd Douglass, D.D.S. located?

The NPPES record lists a practice address at 3960 EL Camino Ave, Sacramento, CA, 95821. Phone: (916) 483-4964. Providers update this record themselves, so call before visiting.

How can I verify Gordon Ladd Douglass, D.D.S.'s license?

NPPES lists California license number 21792, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Gordon Ladd Douglass, D.D.S. prescribe under Medicare Part D?

In 2024, Gordon Ladd Douglass, D.D.S. had 180 Medicare Part D claims for 54 beneficiaries; the average among periodontics prescribers was 277. 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.