NPPES file of Aug 9, 2026

David Wilton Hartwick, DDS

Endodontics · Redding, CA

David Wilton Hartwick, DDS is an endodontics with a practice address in Redding, California, and NPI 1417160623, issued on May 7, 2007. Check the license (California 30303, 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
1417160623
Name
David Wilton Hartwick
Credential
DDS
Primary taxonomy
Endodontics 1223E0200X
License number
30303 CA
Self-reported in NPPES; status is on the state search
Practice location
2650 Larkspur Lane, Redding, CA 96002
Phone
(530) 222-0885
Enumerated
May 7, 2007
Record last updated
Mar 13, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(530) 222-6616
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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Verify David Wilton Hartwick 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 30303
    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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4% more Medicare Part D claims than the average endodontics in 2024

126 Medicare Part D claims for 86 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D.

  1. David Hartwick126
  2. Specialty average121

Most prescribed

  1. Amoxicillin76 claims
  2. Clindamycin Hcl24 claims
  3. Azithromycin13 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.

David Wilton Hartwick among 1,018 endodontics records in California

David Wilton Hartwick, DDS is one of 1,018 endodontics records with a practice address in California. 68% 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 27% of them.

  • NPI issued2007 · 27% of these records are older, 42% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2017 · 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 1223E0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endodontics providers in California

There are 1,018 endodontics records in California.

The 8 endodontics records with the nearest ZIP codes

  1. John Pruett, D.D.S.Redding, CA 960021760508436
  2. Michael Dent, DDSRedding, CA 960011114009347
  3. Jason Smith, DMD MSRedding, CA 960011487730834
  4. John Hoskins, D.D.S.Yuba City, CA 959911467841635
  5. Yong Kim, DDS, MSDYuba City, CA 959911811924202
  6. Robert Sproat, DDS MSDYuba City, CA 959911710052022
  7. Sheri Bernadett, DDS MSCDNevada City, CA 959591710057146
  8. Lee Osnas, D.D.S.Grass Valley, CA 959451891874293

Common questions

What is David Wilton Hartwick, DDS's NPI number?

David Wilton Hartwick, DDS's National Provider Identifier (NPI) is 1417160623, issued on May 7, 2007. An NPI identifies a provider in billing; it is not a license.

Where is David Wilton Hartwick, DDS located?

The NPPES record lists a practice address at 2650 Larkspur Lane, Redding, CA, 96002. Phone: (530) 222-0885. Providers update this record themselves, so call before visiting.

How can I verify David Wilton Hartwick, DDS's license?

NPPES lists California license number 30303, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does David Wilton Hartwick, DDS prescribe under Medicare Part D?

In 2024, David Wilton Hartwick, DDS had 126 Medicare Part D claims for 86 beneficiaries; the average among endodontics prescribers was 121. 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.