DR. FREDERICK L KRONEN MD
NPI 1093758617
Emergency Medicine in Santa Rosa, CA
About Dr. Frederick L Kronen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. FREDERICK L KRONEN MD (NPI 1093758617) is an individual emergency medicine provider in Santa Rosa, California, licensed in California (G51036) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (1982).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Dr. Frederick L Kronen Md 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
5Medicare enrollment records show Frederick Kronen reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94109
- Reassigned Medicare billing, California enrollment
- 155 clinicians in this Medicare group
Orinda, CA 94563
- Reassigned Medicare billing, California enrollment
- 4,479 clinicians in this Medicare group
Hayward, CA 94545
- Reassigned Medicare billing, California enrollment
- 160 clinicians in this Medicare group
Pine Ridge, SD 57770
- Reassigned Medicare billing, Texas enrollment
- 426 clinicians in this Medicare group
Fort Yates, ND 58538
- Reassigned Medicare billing, Texas enrollment
- 71 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
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 95403 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 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Frederick Kronen's NPI number?
The NPI number for Frederick Kronen is 1093758617. It was assigned to this individual provider in the NPPES registry on June 13, 2006.
Where is Frederick Kronen located?
Frederick Kronen practices at 3883 Airway Dr Ste 120, Santa Rosa, CA 95403. The listed phone number is (707) 521-4495.
What is Frederick Kronen's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Frederick Kronen enrolled in Medicare?
Yes. Frederick Kronen 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 Frederick Kronen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Frederick Kronen reassigns Medicare benefits to 5 organizations: San Francisco Emergency Medical Associates (San Francisco, CA), Sutter Bay Medical Foundation (Orinda, CA), Nes Western Group, A Professional Corporation (Hayward, CA), Pine Ridge Indian Health Service Hospital (Pine Ridge, SD) and Fort Yates Indian Health Service Hospital (Fort Yates, ND). 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 Frederick Kronen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Frederick Kronen was last updated on November 2, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.
# Dr. Frederick L Kronen, MD · NPI 1093758617
Emergency Medicine physician in Santa Rosa, California. Individual provider, active in the CMS NPPES registry since June 13, 2006.
## Identity
- **NPI:** 1093758617 (Entity type: Individual)
- **Enumerated:** June 13, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** G51036 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3883 AIRWAY DR STE 120, Santa Rosa, CA 95403-1678
- **Phone:** (707) 521-4495 · **Fax:** (707) 573-5421
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): San Francisco Emergency Medical Associates (NPI 1134110661, San Francisco, CA); Sutter Bay Medical Foundation (NPI 1366898538, Orinda, CA); Nes Western Group, A Professional Corporation (NPI 1588249569, Hayward, CA); Pine Ridge Indian Health Service Hospital (NPI 1497786412, Pine Ridge, SD); Fort Yates Indian Health Service Hospital (NPI 1609851039, Fort Yates, ND) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Diego School Of Medicine, class of 1982
## Record status
- **NPPES last updated:** November 2, 2023
- **Other identifiers:** Medicaid 00G510340 (CA); Medicaid 419681 (AZ)
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Source: [NPI Profile](https://npiprofile.com/npi/1093758617) · Data from the CMS NPPES public registry.