NPPES file of Aug 9, 2026

Gregory K. Tuttle, DDS

General Practice Dentistry · Sacramento, CA

Gregory K. Tuttle, DDS is a general practice dentistry with a practice address in Sacramento, California, and NPI 1487745188, issued on Sep 27, 2006. Check the license (California 38469, 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
1487745188
Name
Gregory K. Tuttle
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
38469 CA
Self-reported in NPPES; status is on the state search
Practice location
2821 Eastern Ave, Sacramento, CA 95821
Phone
(916) 972-8547
Enumerated
Sep 27, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
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 2821 Eastern Ave

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

  1. Stephen Ott, D.D.S.Dentist1083723209

Verify Gregory K. Tuttle 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 38469
    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 California license search

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34% fewer Medicare Part D claims than the average general practice dentistry in 2024

55 Medicare Part D claims for 28 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Gregory Tuttle55
  2. Specialty average83

Most prescribed

  1. Clindamycin Hcl36 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: $1,500.00

1 payment: compensation for serving as faculty or as a speaker for a medical education program; the largest payer was Septodont Inc. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gregory Tuttle$1,500.00
  2. Specialty average$597.01

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

Gregory K. Tuttle among 17,852 general practice dentistry records in California

Gregory K. Tuttle, DDS is one of 17,852 general practice dentistry records with a practice address in California. 57% 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 3% of them.

  • NPI issued2006 · 3% of these records are older, 71% newer
  • In a Medicare fileYes · 57% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 79% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

406 general practice dentistry records list a practice address in Sacramento

They are 406 of the 33,083 NPPES records with a practice address in Sacramento, and 17,852 general practice dentistry records in California.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Samuel Choi, DDSSacramento, CA 958211245457985
  2. Lisa Dobak, DDSSacramento, CA 958211952520553
  3. Herbert Gibbs, DDSSacramento, CA 958211881771020
  4. Stephen Huppert, D.D.S.Sacramento, CA 958211881819829
  5. Herb Jensen, DDSSacramento, CA 958211275752867
  6. Robert Katibah, D.D.S.Sacramento, CA 958211083619795
  7. Sadhana Kothari, DDSSacramento, CA 958211114046901
  8. Matthew Ryan, D.D.S.Sacramento, CA 958211265436257

Common questions

What is Gregory K. Tuttle, DDS's NPI number?

Gregory K. Tuttle, DDS's National Provider Identifier (NPI) is 1487745188, issued on Sep 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory K. Tuttle, DDS located?

The NPPES record lists a practice address at 2821 Eastern Ave, Sacramento, CA, 95821. Phone: (916) 972-8547. Providers update this record themselves, so call before visiting.

How can I verify Gregory K. Tuttle, DDS's license?

NPPES lists California license number 38469, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Gregory K. Tuttle, DDS prescribe under Medicare Part D?

In 2024, Gregory K. Tuttle, DDS had 55 Medicare Part D claims for 28 beneficiaries; the average among general practice dentistry prescribers was 83. 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.