James R. Mattingly
General Practice Dentistry · Walnut Creek, CA
James R. Mattingly is a general practice dentistry with a practice address in Walnut Creek, California, and NPI 1245329408, issued on Oct 12, 2006. Check the license (California 44741, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James R. Mattingly
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 44741 CA
Self-reported in NPPES; status is on the state search - Practice location
- 130 LA Casa Via, Walnut Creek, CA 94598
- Phone
- (925) 933-5446
- Enumerated
- Oct 12, 2006
- Record last updated
- Jul 9, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (925) 933-5448
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Also registered at 130 LA Casa Via
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Emily Brama, RN, MSN, FNP, NP-CNurse Practitioner1952696684
- Angela Christian, N.P.Nurse Practitioner1023442167
- Michael Cohen, M.D.Critical Care Medicine (Internal Medicine) Physician1205885779
- David Cook, MDAllergy & Immunology Physician1740282425
Verify James R. Mattingly in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 44741Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average general practice dentistry in 2024
37 Medicare Part D claims for 31 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin23 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: $37.96
1 payment: food and beverage; the largest payer was Align Technology, 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
James R. Mattingly among 17,852 general practice dentistry records in California
James R. Mattingly 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 updated2019 · 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).
71 general practice dentistry records list a practice address in Walnut Creek
They are 71 of the 6,170 NPPES records with a practice address in Walnut Creek, and 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in Walnut Creek → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Daniel Asatani, D.D.S.Walnut Creek, CA 945981598843583
- Steven Cademartori, D.D.S.Walnut Creek, CA 945981154356111
- Allan Capinpin, DDSWalnut Creek, CA 945981265458962
- Xiaorong Chen, D.M.D.Walnut Creek, CA 945981558383034
- York Fitzgerald, DDSWalnut Creek, CA 945981982790051
- Pallavi Gole, DDSWalnut Creek, CA 945981376612556
- Shannon Haynes, DDS, INC.Walnut Creek, CA 945981346283843
- Hani Jabbour, DMDWalnut Creek, CA 945981639267594
Common questions
What is James R. Mattingly's NPI number?
James R. Mattingly's National Provider Identifier (NPI) is 1245329408, issued on Oct 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James R. Mattingly located?
The NPPES record lists a practice address at 130 LA Casa Via, Walnut Creek, CA, 94598. Phone: (925) 933-5446. Providers update this record themselves, so call before visiting.
How can I verify James R. Mattingly's license?
NPPES lists California license number 44741, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does James R. Mattingly prescribe under Medicare Part D?
In 2024, James R. Mattingly had 37 Medicare Part D claims for 31 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.