DR. LAWRENCE R ROUBEN M.D.
NPI 1427003003
Internal Medicine - Critical Care Medicine in Menifee, CA
About Dr. Lawrence R Rouben M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LAWRENCE R ROUBEN M.D. (NPI 1427003003) is an individual critical care medicine provider in Menifee, California, licensed in California (G73813) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Bakersfield, and is a graduate of University Of Louisville School Of Medicine (1987).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 14
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. Lawrence R Rouben 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 Lawrence Rouben reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Jacinto, CA 92583
- Reassigned Medicare billing, California enrollment
- 8 clinicians in this Medicare group
Panorama City, CA 91402
- Reassigned Medicare billing, California enrollment
- 95 clinicians in this Medicare group
Bakersfield, CA 93301
- Reassigned Medicare billing, California enrollment
- 15 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 4
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 92585 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 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MENIFEE, CA 92585
MENIFEE, CA 92585
MENIFEE, CA 92585
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 Lawrence Rouben's NPI number?
The NPI number for Lawrence Rouben is 1427003003. It was assigned to this individual provider in the NPPES registry on May 23, 2006.
Where is Lawrence Rouben located?
Lawrence Rouben practices at 28400 Mccall Blvd, Menifee, CA 92585. The listed phone number is (661) 432-3694.
What is Lawrence Rouben's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Lawrence Rouben enrolled in Medicare?
Yes. Lawrence Rouben 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 Lawrence Rouben's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lawrence Rouben reassigns Medicare benefits to 3 organizations: R & N Gupta MD Professional Corporation (San Jacinto, CA), Innovative Medical Solutions Inc A Medical Group (Panorama City, CA) and St. John Critical Care Medical Group, Inc (Bakersfield, 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 Lawrence Rouben'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 Lawrence Rouben was last updated on October 31, 2019. 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. Lawrence R Rouben, M.D. · NPI 1427003003
Critical Care Medicine physician in Menifee, California. Individual provider, active in the CMS NPPES registry since May 23, 2006.
## Identity
- **NPI:** 1427003003 (Entity type: Individual)
- **Enumerated:** May 23, 2006
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** G73813 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 28400 MCCALL BLVD, Menifee, CA 92585-9658
- **Phone:** (661) 432-3694
## 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): R & N Gupta MD Professional Corporation (NPI 1730535261, San Jacinto, CA); Innovative Medical Solutions Inc A Medical Group (NPI 1972624955, Panorama City, CA); St. John Critical Care Medical Group, Inc (NPI 1528407012, Bakersfield, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Louisville School Of Medicine, class of 1987
## Record status
- **NPPES last updated:** October 31, 2019
- **Other identifiers:** Other 051953; Medicaid 2442925000 (KY); Other 000023036Q (KY); and 11 more
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Source: [NPI Profile](https://npiprofile.com/npi/1427003003) · Data from the CMS NPPES public registry.