DAVID STEVEN KARLIN M.D.
NPI 1477552016
Radiology - Diagnostic Radiology in Orange, CA
About David Steven Karlin M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAVID STEVEN KARLIN M.D. (NPI 1477552016) is an individual diagnostic radiology provider in Orange, California, licensed in California (G83944) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Rutgers, Robert Woood Johnson Medical School (1992).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 5
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
David Steven Karlin M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
29Medicare enrollment records show David Karlin reassigns Medicare billing to 29 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orange, CA 92869
- Reassigned Medicare billing, California enrollment
- 102 clinicians in this Medicare group
Orange, CA 92869
- Reassigned Medicare billing, California enrollment
- 45 clinicians in this Medicare group
Fountain Valley, CA 92708
- Reassigned Medicare billing, California enrollment
- 948 clinicians in this Medicare group
Fullerton, CA 92835
- Reassigned Medicare billing, California enrollment
- 53 clinicians in this Medicare group
West Hills, CA 91307
- Reassigned Medicare billing, California enrollment
- 68 clinicians in this Medicare group
Mojave, CA 93501
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1275538530 (California)
- 192 clinicians in this Medicare group
Tehachapi, CA 93561
- Reassigned Medicare billing, California enrollment
- 252 clinicians in this Medicare group
Bakersfield, CA 93301
- Reassigned Medicare billing, California enrollment
- 214 clinicians in this Medicare group
King City, CA 93930
- Reassigned Medicare billing, California enrollment
- 31 clinicians in this Medicare group
Salinas, CA 93905
- Reassigned Medicare billing, California enrollment
- 284 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92868 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ORANGE, CA 92868
ORANGE, CA 92868
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is David Karlin's NPI number?
The NPI number for David Karlin is 1477552016. It was assigned to this individual provider in the NPPES registry on July 15, 2005.
Where is David Karlin located?
David Karlin practices at 431 S Batavia St Ste. 103, Orange, CA 92868. The listed phone number is (714) 538-6731.
What is David Karlin's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is David Karlin enrolled in Medicare?
Yes. David Karlin is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for David Karlin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Karlin reassigns Medicare benefits to 29 organizations: Modesto Radiological Medical Group, Inc (Orange, CA), I V Radiology Medical Group (Orange, CA), Memorialcare Medical Foundation (Fountain Valley, CA), St Jude Radiology Medical Group Inc (Fullerton, CA), West Valley Radiology Medical Group, Inc. (West Hills, CA) and 24 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for David Karlin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Karlin accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Arizona, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Blue Cross and Blue Shield of Texas and Cigna HealthCare of Arizona, Inc list David Karlin as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for David Karlin was last updated on June 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# David Steven Karlin, M.D. · NPI 1477552016
Diagnostic Radiology physician in Orange, California. Individual provider, active in the CMS NPPES registry since July 15, 2005.
## Identity
- **NPI:** 1477552016 (Entity type: Individual)
- **Enumerated:** July 15, 2005
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** G83944 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 431 S BATAVIA ST, STE. 103, Orange, CA 92868-3936
- **Phone:** (714) 538-6731 · **Fax:** (714) 771-8369
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 29 organizations under Medicare reassignment (form CMS-855R): Modesto Radiological Medical Group, Inc (NPI 1265973556, Orange, CA); I V Radiology Medical Group (NPI 1801325345, Orange, CA); Memorialcare Medical Foundation (NPI 1205167350, Fountain Valley, CA); St Jude Radiology Medical Group Inc (NPI 1649349705, Fullerton, CA); West Valley Radiology Medical Group, Inc. (NPI 1265486427, West Hills, CA); and 24 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rutgers, Robert Woood Johnson Medical School, class of 1992
## Record status
- **NPPES last updated:** June 26, 2026
- **Other identifiers:** Other 053304CG75381; Other 300104268; Medicaid 00G839440 (CA); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1477552016) · Data from the CMS NPPES public registry.