DR. NAHUM ISAAC KRYZMAN M.D.
NPI 1679969760
Anesthesiology in Thousand Oaks, CA
About Dr. Nahum Isaac Kryzman M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NAHUM ISAAC KRYZMAN M.D. (NPI 1679969760) is an individual anesthesiology provider in Thousand Oaks, California, licensed in California (A162223) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
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. Nahum Isaac Kryzman 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
3Medicare enrollment records show Nahum Kryzman reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Thousand Oaks, CA 91360
- Reassigned Medicare billing, California enrollment
- 53 clinicians in this Medicare group
West Hills, CA 91307
- Reassigned Medicare billing, California enrollment
- 52 clinicians in this Medicare group
San Bernardino, CA 92404
- Reassigned Medicare billing, California enrollment
- 270 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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
THOUSAND OAKS, CA 91360
THOUSAND OAKS, CA 91360
THOUSAND OAKS, CA 91360
THOUSAND OAKS, CA 91360
THOUSAND OAKS, CA 91360
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 Nahum Kryzman's NPI number?
The NPI number for Nahum Kryzman is 1679969760. It was assigned to this individual provider in the NPPES registry on April 15, 2015.
Where is Nahum Kryzman located?
Nahum Kryzman practices at 215 W Janss Rd, Thousand Oaks, CA 91360. The listed phone number is (805) 497-2727.
What is Nahum Kryzman's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Nahum Kryzman enrolled in Medicare?
Yes. Nahum Kryzman 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 Nahum Kryzman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nahum Kryzman reassigns Medicare benefits to 3 organizations: Conejo Los Robles Anesthesiology Medical Group, Inc. (Thousand Oaks, CA), West Hills Anesthesia And Perioperative Physicians (West Hills, CA) and Palm Springs Anesthesia Services, PC (San Bernardino, CA). 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 Nahum Kryzman'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 Nahum Kryzman was last updated on July 24, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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. Nahum Isaac Kryzman, M.D. · NPI 1679969760
Anesthesiology physician in Thousand Oaks, California. Individual provider, active in the CMS NPPES registry since April 15, 2015.
## Identity
- **NPI:** 1679969760 (Entity type: Individual)
- **Enumerated:** April 15, 2015
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A162223 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 215 W JANSS RD, Thousand Oaks, CA 91360-1847
- **Phone:** (805) 497-2727
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Conejo Los Robles Anesthesiology Medical Group, Inc. (NPI 1821171729, Thousand Oaks, CA); West Hills Anesthesia And Perioperative Physicians (NPI 1881061802, West Hills, CA); Palm Springs Anesthesia Services, PC (NPI 1083928501, San Bernardino, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** July 24, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1679969760) · Data from the CMS NPPES public registry.