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MEHRAN ROUHANI SISAN M.D.
NPI 1841579489
Internal Medicine in La Habra, CA

Active since August 14, 2011PECOS EnrolledAccepts Medicare Assignment
501 S IDAHO ST, SUITE 100, LA HABRA, CA 90631(562) 690-0400(562) 501-1198 Get Directions Write a Review

NPPES record last updated: November 10, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mehran Rouhani Sisan M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MEHRAN ROUHANI SISAN M.D. (NPI 1841579489) is an individual internal medicine provider in La Habra, California, licensed in California (A126959) and active in the NPI registry since August 2011. He is enrolled in Medicare PECOS and is a graduate of Other (1983).

NPPES Registry Identity

NPI1841579489
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMEHRAN ROUHANI SISANCredential: M.D.
Location Address501 S IDAHO ST, SUITE 100La Habra, CA 90631-6047
Mailing Address501 S Idaho St, Suite 260La Habra, CA 90631-6047 · (562) 501-1720 · Fax (562) 501-1198
Phone(562) 690-0400
Fax(562) 501-1198
Sole ProprietorNo
Medical School CMSOtherGraduated 1983
Enumeration DateAugust 14, 2011
Last NPPES UpdateNovember 10, 2016
✔ NPI 1841579489 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A126959
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
501 S IDAHO ST, La Habra, CA 90631
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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

Mehran Rouhani Sisan 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.

PECOS PAC ID1759501877
PECOS Enrollment IDI20141013000553
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Mehran Rouhani Sisan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Friends Of Family Health Center
Same address
Federally Qualified Health Center (FQHC)
501 S IDAHO ST, SUITE 100
La Habra, CA 90631
  • Reassigned Medicare billing, California enrollment
  • 17 clinicians in this Medicare group
NPI 1871818138 (562) 690-0400

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90631 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 19

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MEGHNA KATAKY DO
Pediatrics
501 S IDAHO ST
LA HABRA, CA 90631
Orange County (562) 690-0400
SWATI M PUROHIT M.D.
Pediatrics
501 S IDAHO ST, SUITE 190
LA HABRA, CA 90631
Orange County (562) 690-0400
BETTY YANG DDS
Dentist
501 S IDAHO ST
LA HABRA, CA 90631
Orange County (562) 690-0400
FRANCES GERARD GENIL MD
Internal Medicine
501 S IDAHO ST
LA HABRA, CA 90631
Orange County (562) 690-0400
MARIA ELENA MARINO M.D.
Pediatrics
501 S IDAHO ST, SUITE 190
LA HABRA, CA 90631
Orange County (562) 690-0400
FRIENDS OF CHILDREN HEALTH CENTER
Clinic/Center
501 S IDAHO ST
LA HABRA, CA 90631
Orange County (562) 690-0400
EDUARDO VASQUEZ D.D.S.
Dentist
501 S IDAHO ST, SUITE 120
LA HABRA, CA 90631
Orange County (562) 690-0400
VIVIAN SHI PNP-PC
Nurse Practitioner (Pediatrics)
501 S IDAHO ST
LA HABRA, CA 90631
Orange County (562) 690-0400

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 Mehran Rouhani Sisan's NPI number?

The NPI number for Mehran Rouhani Sisan is 1841579489. It was assigned to this individual provider in the NPPES registry on August 14, 2011.

Where is Mehran Rouhani Sisan located?

Mehran Rouhani Sisan practices at 501 S Idaho St Suite 100, La Habra, CA 90631. The listed phone number is (562) 690-0400.

What is Mehran Rouhani Sisan's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Mehran Rouhani Sisan enrolled in Medicare?

Yes. Mehran Rouhani Sisan 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 organization bills Medicare for Mehran Rouhani Sisan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mehran Rouhani Sisan reassigns Medicare benefits to Friends Of Family Health Center (La Habra, CA). The 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 Mehran Rouhani Sisan'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 Mehran Rouhani Sisan was last updated on November 10, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.