Massood Darvishzadeh, D.D.S.
General Practice Dentistry · Walnut Creek, CA
Massood Darvishzadeh, D.D.S. is a general practice dentistry with a practice address in Walnut Creek, California, and NPI 1194936138, issued on May 24, 2007. Check the license (California 45563, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Massood Darvishzadeh
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 45563 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1855 Olympic Blvd, Walnut Creek, CA 94596
- Phone
- (925) 939-3421
- Enumerated
- May 24, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Also registered at 1855 Olympic Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Carlos BonillaMental Health Counselor1821361270
- Douglas Carney, MFTMarriage & Family Therapist1043561566
Verify Massood Darvishzadeh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 45563Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average general practice dentistry in 2024
43 Medicare Part D claims for 29 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Azithromycin18 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: $72.77
3 payments; by number, the most common kind was food and beverage; the largest payer was Straumann USA LLC. 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.
Massood Darvishzadeh among 17,852 general practice dentistry records in California
Massood Darvishzadeh, D.D.S. 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 2007, is newer than 29% of them.
- NPI issued2007 · 29% of these records are older, 40% 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).
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
- Bret Annoni, D.D.S.Walnut Creek, CA 945961982651295
- Timothy Callahan, DDSWalnut Creek, CA 945961275633836
- Michael Carpentier, D.D.S.Walnut Creek, CA 945961568558476
- Maryam Doroudian, DDSWalnut Creek, CA 945961821018722
- Tsui Wai Eng, D.D.S.Walnut Creek, CA 945961245240845
- Grace-Mary Hume, D.D.S.Walnut Creek, CA 945961871689786
- Dwight Loder, DDSWalnut Creek, CA 945961538287784
- Mark Maher, DDSWalnut Creek, CA 945961306823539
Common questions
What is Massood Darvishzadeh, D.D.S.'s NPI number?
Massood Darvishzadeh, D.D.S.'s National Provider Identifier (NPI) is 1194936138, issued on May 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Massood Darvishzadeh, D.D.S. located?
The NPPES record lists a practice address at 1855 Olympic Blvd, Walnut Creek, CA, 94596. Phone: (925) 939-3421. Providers update this record themselves, so call before visiting.
How can I verify Massood Darvishzadeh, D.D.S.'s license?
NPPES lists California license number 45563, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Massood Darvishzadeh, D.D.S. prescribe under Medicare Part D?
In 2024, Massood Darvishzadeh, D.D.S. had 43 Medicare Part D claims for 29 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.