Robert K. Zimmer, D.D.S.
Dentist · Santa Ana, CA
Robert K. Zimmer, D.D.S. is a dentist with a practice address in Santa Ana, California, and NPI 1306997002, issued on Jan 16, 2007. Check the license (California 30660, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Robert K. Zimmer
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License number
- 30660 CA
Self-reported in NPPES; status is on the state search - Practice location
- 999 N Tustin Ave, Santa Ana, CA 92705
- Phone
- (714) 547-9194
- Enumerated
- Jan 16, 2007
- Record last updated
- Oct 24, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (714) 565-2751
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Also registered at 999 N Tustin Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sonia Balbas, RPTPhysical Therapist1275704884
- Nama Beck, M.D.Nephrology Physician1740245281
Verify Robert K. Zimmer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 30660Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% more Medicare Part D claims than the average dentist in 2024
137 Medicare Part D claims for 91 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 18 claims were for opioids.
Most prescribed
- Amoxicillin83 claims
- Acetaminophen-Codeine11 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: $364.61
8 payments; by number, the most common kind was food and beverage; the largest payer was Straumann USA LLC. The 31,974 providers of this specialty with any payment received $540.36 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.
Robert K. Zimmer among 14,729 dentist records in California
Robert K. Zimmer, D.D.S. is one of 14,729 dentist records with a practice address in California. 56% 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 18% of them.
- NPI issued2007 · 18% of these records are older, 58% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2017 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
125 dentist records list a practice address in Santa Ana
They are 125 of the 8,904 NPPES records with a practice address in Santa Ana, and 14,729 dentist records in California.
All 14,729 in California → Every provider in Santa Ana → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Karmen BakaenSanta Ana, CA 927051417015777
- Gertrudes Batte, D.D.S.Santa Ana, CA 927051376762740
- Maryam Ghasemyeh, D.D.S.Santa Ana, CA 927051538382825
- William Guard, D.D.S.Santa Ana, CA 927051740292010
- Mark Ivanicki, DDSSanta Ana, CA 927051417921974
- Laila Malek, DDSSanta Ana, CA 927051174627251
- Ricardo Mariano, DMDSanta Ana, CA 927051851654099
- Muhammad Qureshi, DDS.Santa Ana, CA 927051194028126
Common questions
What is Robert K. Zimmer, D.D.S.'s NPI number?
Robert K. Zimmer, D.D.S.'s National Provider Identifier (NPI) is 1306997002, issued on Jan 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Robert K. Zimmer, D.D.S. located?
The NPPES record lists a practice address at 999 N Tustin Ave, Santa Ana, CA, 92705. Phone: (714) 547-9194. Providers update this record themselves, so call before visiting.
How can I verify Robert K. Zimmer, D.D.S.'s license?
NPPES lists California license number 30660, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Robert K. Zimmer, D.D.S. prescribe under Medicare Part D?
In 2024, Robert K. Zimmer, D.D.S. had 137 Medicare Part D claims for 91 beneficiaries; the average among dentist prescribers was 86. 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.