NPPES file of Aug 9, 2026

Tingjen Ji, DDS, MSD

General Practice Dentistry · Santa Rosa, CA

Tingjen Ji, DDS, MSD is a general practice dentistry with a practice address in Santa Rosa, California, and NPI 1811231947, issued on Nov 15, 2012. Check the license (California 100841, 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
1811231947
Name
Tingjen Ji
Credential
DDS, MSD
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
100841 CA
Self-reported in NPPES; status is on the state search
Practice location
170 Farmers LN Ste 1, Santa Rosa, CA 95405
Phone
(707) 539-8762
Enumerated
Nov 15, 2012
Record last updated
Mar 23, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(707) 539-2839
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 general practice dentistry records → All 17,852 in California → Look up another NPI →

Verify Tingjen Ji 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 100841    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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48% fewer Medicare Part D claims than the average general practice dentistry in 2024

43 Medicare Part D claims for 18 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. Tingjen Ji43
  2. Specialty average83

Most prescribed

  1. Amoxicillin14 claims
  2. Chlorhexidine Gluconate11 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.

Tingjen Ji among 17,852 general practice dentistry records in California

Tingjen Ji, DDS, MSD 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 2012, is newer than 73% of them.

  • NPI issued2012 · 73% of these records are older, 25% 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 updated2020 · 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).

114 general practice dentistry records list a practice address in Santa Rosa

They are 114 of the 6,884 NPPES records with a practice address in Santa Rosa, and 17,852 general practice dentistry records in California.

All 17,852 in California → Every provider in Santa Rosa → General Practice Dentistry nationwide →

The 8 general practice dentistry records with the nearest ZIP codes

  1. Kamran Azmoudeh, D.D.S.Santa Rosa, CA 954051619076288
  2. Jeffrey Bean, D.D.S.Santa Rosa, CA 954051609866888
  3. Conrad Block, DDSSanta Rosa, CA 954051285738450
  4. Anthony Fernandez, D.D.S.Santa Rosa, CA 954051275625717
  5. James Forni, D.D.S.Santa Rosa, CA 954051376532986
  6. Warren Francis, D.D.S.Santa Rosa, CA 954051952321838
  7. David Harris, D.D.S.Santa Rosa, CA 954051275523987
  8. Kevin Jeffers, D.D.S.Santa Rosa, CA 954051184725830

Common questions

What is Tingjen Ji, DDS, MSD's NPI number?

Tingjen Ji, DDS, MSD's National Provider Identifier (NPI) is 1811231947, issued on Nov 15, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Tingjen Ji, DDS, MSD located?

The NPPES record lists a practice address at 170 Farmers LN Ste 1, Santa Rosa, CA, 95405. Phone: (707) 539-8762. Providers update this record themselves, so call before visiting.

How can I verify Tingjen Ji, DDS, MSD's license?

NPPES lists California license number 100841, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Tingjen Ji, DDS, MSD prescribe under Medicare Part D?

In 2024, Tingjen Ji, DDS, MSD had 43 Medicare Part D claims for 18 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.

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.