BORIS PEARLMAN MD
NPI 1366670671
Hospitalist in Pasadena, CA
About Boris Pearlman Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BORIS PEARLMAN MD (NPI 1366670671) is an individual hospitalist provider in Pasadena, California, licensed in California (A113879) and active in the NPI registry since June 2009. He is enrolled in Medicare PECOS and is a graduate of Other (2009).
NPPES Registry Identity
Specialties & Licenses
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
Boris Pearlman 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
7Medicare enrollment records show Boris Pearlman reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pasadena, CA 91105
- Reassigned Medicare billing, California enrollment
- 204 clinicians in this Medicare group
Arcadia, CA 91007
- Reassigned Medicare billing, California enrollment
- 66 clinicians in this Medicare group
Los Angeles, CA 90015
- Reassigned Medicare billing, California enrollment
- 2,052 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 187 clinicians in this Medicare group
Thousand Oaks, CA 91360
- Reassigned Medicare billing, California enrollment
- 36 clinicians in this Medicare group
Thousand Oaks, CA 91360
- Reassigned Medicare billing, California enrollment
- 30 clinicians in this Medicare group
Apple Valley, CA 92307
- Reassigned Medicare billing, California enrollment
- 914 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 7
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 91105 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.
PASADENA, CA 91105
PASADENA, CA 91105
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 Boris Pearlman's NPI number?
The NPI number for Boris Pearlman is 1366670671. It was assigned to this individual provider in the NPPES registry on June 25, 2009.
Where is Boris Pearlman located?
Boris Pearlman practices at 100 W California Blvd, Pasadena, CA 91105. The listed phone number is (626) 397-5000.
What is Boris Pearlman's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Boris Pearlman enrolled in Medicare?
Yes. Boris Pearlman 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 Boris Pearlman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Boris Pearlman reassigns Medicare benefits to 7 organizations: The Huntington Medical Foundation (Pasadena, CA), Arcadia Hospitalist Medical Group, Inc. (Arcadia, CA), Healthcare Partners Affiliates Medical Group (Los Angeles, CA), Southern California Hospitalist Network Medical Group Inc (Orange, CA), Jaspreet Somal M.D., A.P.C. (Thousand Oaks, CA) and 2 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 Boris Pearlman'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 Boris Pearlman was last updated on September 12, 2024. 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.
# Boris Pearlman, MD · NPI 1366670671
Hospitalist physician in Pasadena, California. Individual provider, active in the CMS NPPES registry since June 25, 2009.
## Identity
- **NPI:** 1366670671 (Entity type: Individual)
- **Enumerated:** June 25, 2009
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** A113879 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 W CALIFORNIA BLVD, Pasadena, CA 91105-3010
- **Phone:** (626) 397-5000
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): The Huntington Medical Foundation (NPI 1154467181, Pasadena, CA); Arcadia Hospitalist Medical Group, Inc. (NPI 1114365269, Arcadia, CA); Healthcare Partners Affiliates Medical Group (NPI 1659312593, Los Angeles, CA); Southern California Hospitalist Network Medical Group Inc (NPI 1790880458, Orange, CA); Jaspreet Somal M.D., A.P.C. (NPI 1154917318, Thousand Oaks, CA); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** September 12, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1366670671) · Data from the CMS NPPES public registry.