Kenneth B. Krantz, MD
Ophthalmology Physician · Santa Ana, CA
Kenneth B. Krantz, MD is an ophthalmology physician with a practice address in Santa Ana, California, and NPI 1982629192, issued on Jul 12, 2006. Check the license (California A94774, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kenneth B. Krantz
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- A94774 CA
ME90159 FL
Self-reported in NPPES; status is on the state search - Practice location
- 3401 S Harbor Blvd, Santa Ana, CA 92704
- Phone
- (888) 988-2800
- Enumerated
- Jul 12, 2006
- Record last updated
- Dec 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (714) 427-7851
- Medicare enrollment
- Enrolled (PECOS I20090102000199); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 3401 S Harbor Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amir AbdoPharmacist1275411969
- Noor Amra, M.D.Ophthalmology Physician1639336365
- An AuPharmacist1821536855
- Sheila Bazzaz, M.D.Ophthalmology Physician1831140953
- Maninder Brar, FNP-CFamily Nurse Practitioner1194517292
- Kacey Chaldu, M.D.Student in an Organized Health Care Education/Training Program1730440868
Verify Kenneth B. Krantz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A94774Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average ophthalmology physician in 2024
118 Medicare Part D claims for 65 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D.
Most prescribed
- Erythromycin76 claims
- Cephalexin30 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: $151.77
1 payment: food and beverage; the largest payer was Medtronic, Inc. The 13,221 providers of this specialty with any payment received $4,535.02 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupSanta Ana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kenneth B. Krantz among 2,899 ophthalmology physician records in California
Kenneth B. Krantz, MD is one of 2,899 ophthalmology physician records with a practice address in California. 79% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 45% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1999 · median 2001 among the 1,907 with a school on file
- Record last updated2021 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Santa Ana → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Noor Amra, M.D.Santa Ana, CA 927041639336365
- Sheila Bazzaz, M.D.Santa Ana, CA 927041831140953
- Rose Cunningham-Ahumada, D.O.Santa Ana, CA 927041811996523
- Kevin Gustafson, MDSanta Ana, CA 927041093210981
- Elizabeth Yang, M.D.Santa Ana, CA 927041679865257
- Paul Brailsford, M.D.Santa Ana, CA 927051770543118
- Sanford Chen, M.D.Santa Ana, CA 927051427051994
- Richard Hill, M.D.Santa Ana, CA 927051255482055
Common questions
What is Kenneth B. Krantz, MD's NPI number?
Kenneth B. Krantz, MD's National Provider Identifier (NPI) is 1982629192, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kenneth B. Krantz, MD located?
The NPPES record lists a practice address at 3401 S Harbor Blvd, Santa Ana, CA, 92704. Phone: (888) 988-2800. Providers update this record themselves, so call before visiting.
How can I verify Kenneth B. Krantz, MD's license?
NPPES lists California license number A94774, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kenneth B. Krantz, MD prescribe under Medicare Part D?
In 2024, Kenneth B. Krantz, MD had 118 Medicare Part D claims for 65 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.