David Steven Karlin, M.D.
Diagnostic Radiology Physician · Orange, CA
David Steven Karlin, M.D. is a diagnostic radiology physician with a practice address in Orange, California, and NPI 1477552016, issued on Jul 15, 2005. Check the license (California G83944, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David Steven Karlin
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License numbers
- G83944 CA
036-144349 IL
Self-reported in NPPES; status is on the state search - Practice location
- 431 S Batavia St, Orange, CA 92868
- Phone
- (714) 538-6731
- Enumerated
- Jul 15, 2005
- Record last updated
- Jun 26, 2026
- Fax
- (714) 771-8369
- Medicaid ID
- 00G839440 CA
- Medicare enrollment
- Enrolled (PECOS I20040806000763); accepts Medicare assignment
- Medical or professional school
- Rutgers, Robert Woood Johnson Medical School, 1992
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Also registered at 431 S Batavia St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Leticia AndradeBehavior Technician1952291858
- Iliana BeltranBehavior Technician1235028283
- Elizabeth Cambray-Forker, D.O.Diagnostic Radiology Physician1295734838
- June Chen, M.D.Diagnostic Radiology Physician1851384689
- Richard Cho, MDDiagnostic Radiology Physician1376767194
Verify David Steven Karlin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G83944Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024
19 Medicare Part D claims, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D. Brand-name drugs were 63% of claims.
Most prescribed
- Latanoprost14 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.
Bills Medicare through 11 group practices
- County OF MontereySalinas, CA
- Insight Chicago IncChicago, IL
- Integrated Imaging Consultants LLCAnaheim, CA
- Kennewick Radiology Group PCNewport Beach, CA
- Memorialcare Medical FoundationLong Beach, CA
- Modesto Radiological Medical Group IncIrvine, CA
- Nrhs Radiology AssociatesNewport Coast, CA
- Renaissance Medical FoundationEdinburg, TX
- Rockford Radiology AssocNewport Beach, CA
- St Jude Radiology Medical Group IncNewport Beach, CA
- West Valley Radiology Medical Group IncNewport Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Steven Karlin among 4,500 diagnostic radiology physician records in California
David Steven Karlin, M.D. is one of 4,500 diagnostic radiology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1992 · median 2004 among the 3,130 with a school on file
- Record last updated2026 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
122 diagnostic radiology physician records list a practice address in Orange
They are 122 of the 13,245 NPPES records with a practice address in Orange, and 4,500 diagnostic radiology physician records in California.
All 4,500 in California → Every provider in Orange → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Elizabeth Cambray-Forker, D.O.Orange, CA 928681295734838
- Michael Forino, M.D.Orange, CA 928681891794319
- Paul Kupperstein, D.O.Orange, CA 928681679572218
- Mark Masotto, M.D.Orange, CA 928681033118336
- Stanley Nakamoto, M.D.Orange, CA 928681285633784
- Kurt Openshaw, M.D.Orange, CA 928681881693174
- Barry Paull, M.D.Orange, CA 928681982603486
- Marshall Rowen, M.D.Orange, CA 928681497754907
Common questions
What is David Steven Karlin, M.D.'s NPI number?
David Steven Karlin, M.D.'s National Provider Identifier (NPI) is 1477552016, issued on Jul 15, 2005. An NPI identifies a provider in billing; it is not a license.
Where is David Steven Karlin, M.D. located?
The NPPES record lists a practice address at 431 S Batavia St, Orange, CA, 92868. Phone: (714) 538-6731. Providers update this record themselves, so call before visiting.
How can I verify David Steven Karlin, M.D.'s license?
NPPES lists California license number G83944, 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 David Steven Karlin, M.D. prescribe under Medicare Part D?
In 2024, David Steven Karlin, M.D. had 19 Medicare Part D claims; the average among diagnostic radiology physician prescribers was 51. 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.