DR. ELAINE ANN CRISTAN M.D.
NPI 1477812089
Internal Medicine - Pulmonary Disease in San Bernardino, CA
About Dr. Elaine Ann Cristan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ELAINE ANN CRISTAN M.D. (NPI 1477812089) is an individual pulmonary disease provider in San Bernardino, California, licensed in California (C183255) and active in the NPI registry since May 2012. She is enrolled in Medicare PECOS, maintains a secondary practice location in Riverside, and is a graduate of University Of Texas Medical School At San Antonio (2012).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Dr. Elaine Ann Cristan 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
5Medicare enrollment records show Elaine Cristan reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Bernardino, CA 92404
- Reassigned Medicare billing, California enrollment
- 1,216 clinicians in this Medicare group
Riverside, CA 92505
- Reassigned Medicare billing, California enrollment
- 114 clinicians in this Medicare group
Temecula, CA 92592
- Reassigned Medicare billing, California enrollment
- 6 clinicians in this Medicare group
Palm Springs, CA 92262
- Reassigned Medicare billing, California enrollment
- 126 clinicians in this Medicare group
Tucson, AZ 85745
- Reassigned Medicare billing, Arizona enrollment
- 66 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 92404 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
SAN BERNARDINO, CA 92404
SAN BERNARDINO, CA 92404
SAN BERNARDINO, CA 92404
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 Elaine Cristan's NPI number?
The NPI number for Elaine Cristan is 1477812089. It was assigned to this individual provider in the NPPES registry on May 16, 2012.
Where is Elaine Cristan located?
Elaine Cristan practices at 2101 N Waterman Ave, San Bernardino, CA 92404. The listed phone number is (909) 883-8711.
What is Elaine Cristan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Elaine Cristan enrolled in Medicare?
Yes. Elaine Cristan 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 Elaine Cristan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Elaine Cristan reassigns Medicare benefits to 5 organizations: Inpatient Specialists Of California, PC (San Bernardino, CA), El-Bershawi Medical Corp (Riverside, CA), Integra Health, PC (Temecula, CA), Cep America - Intensivists PC (Palm Springs, CA) and Sound Physicians Intensivists Of Arizona, Inc (Tucson, AZ). 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 Elaine Cristan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Elaine Cristan accept?
Health plans from Oscar Health and Oscar Insurance Company list Elaine Cristan 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 Elaine Cristan was last updated on April 13, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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. Elaine Ann Cristan, M.D. · NPI 1477812089
Pulmonary Disease physician in San Bernardino, California. Individual provider, active in the CMS NPPES registry since May 16, 2012.
## Identity
- **NPI:** 1477812089 (Entity type: Individual)
- **Enumerated:** May 16, 2012
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **State license:** C183255 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2101 N WATERMAN AVE, San Bernardino, CA 92404-4836
- **Phone:** (909) 883-8711
## 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): Inpatient Specialists Of California, PC (NPI 1952792475, San Bernardino, CA); El-Bershawi Medical Corp (NPI 1386813103, Riverside, CA); Integra Health, PC (NPI 1790275550, Temecula, CA); Cep America - Intensivists PC (NPI 1033843941, Palm Springs, CA); Sound Physicians Intensivists Of Arizona, Inc (NPI 1962944702, Tucson, AZ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Medical School At San Antonio, class of 2012
## Record status
- **NPPES last updated:** April 13, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1477812089) · Data from the CMS NPPES public registry.