MARYAM ZAMANIAN MD
NPI 1184672461
Internal Medicine - Critical Care Medicine in Whittier, CA

Active since May 05, 2006PECOS EnrolledAccepts Medicare Assignment
12462 PUTNAM ST, SUITE 208, WHITTIER, CA 90602(562) 789-5470(562) 789-4480 Get Directions Write a Review

NPPES record last updated: November 22, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Maryam Zamanian Md NPPES

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

MARYAM ZAMANIAN MD (NPI 1184672461) is an individual critical care medicine provider in Whittier, California, licensed in California (C54602) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1995).

NPPES Registry Identity

NPI1184672461
Entity TypeIndividualFemale
Primary Taxonomy207RC0200X
Provider Legal NameMARYAM ZAMANIANCredential: MD
Location Address12462 PUTNAM ST, SUITE 208Whittier, CA 90602-1048
Mailing AddressPo Box 511255Los Angeles, CA 90051-7810 · (562) 696-9265 · Fax (877) 887-8750
Fax(562) 789-4480
Sole ProprietorYes
Medical School CMSOtherGraduated 1995
Enumeration DateMay 5, 2006
Last NPPES UpdateNovember 22, 2016
✔ NPI 1184672461 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License✔ Licensed in CA · C54602
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License C54602 (CA)
12462 PUTNAM ST, Whittier, CA 90602

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

Maryam Zamanian 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.

PECOS PAC ID3678585262
PECOS Enrollment IDI20120606000769
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 Reassignments

5

Medicare enrollment records show Maryam Zamanian reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pulmonary Disease
12462 PUTNAM ST, SUITE 208
Whittier, CA 90602
  • Reassigned Medicare billing, California enrollment
  • 18 clinicians in this Medicare group
Critical Care Medicine
1401 S GRAND AVE
Los Angeles, CA 90015
  • Reassigned Medicare billing, California enrollment
  • 51 clinicians in this Medicare group
Internal Medicine
1120 W WASHINGTON BLVD
Los Angeles, CA 90015
  • Reassigned Medicare billing, California enrollment
  • 2,052 clinicians in this Medicare group
Critical Care Medicine
1300 N VERMONT AVE
Los Angeles, CA 90027
  • Reassigned Medicare billing, California enrollment
  • 28 clinicians in this Medicare group
Critical Care Medicine
333 MERCY AVE
Merced, CA 95340
  • Reassigned Medicare billing, California enrollment
  • 21 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 3

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
253 services115 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
36 services33 patients
Critical care, each additional 30 minutes 99292
Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.
18 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90602 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 20

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

Internal Medicine (Pulmonary Disease)
12462 PUTNAM ST, SUITE #208
WHITTIER, CA 90602
Obstetrics & Gynecology
12462 PUTNAM ST
WHITTIER, CA 90602
Otolaryngology
12462 PUTNAM ST, SUITE 500
WHITTIER, CA 90602
Obstetrics & Gynecology (Gynecologic Oncology)
12462 PUTNAM ST, SUITE 303
WHITTIER, CA 90602
Internal Medicine (Pulmonary Disease)
12462 PUTNAM ST, SUITE 208
WHITTIER, CA 90602
Advanced Practice Midwife
12462 PUTNAM ST, SUITE #303
WHITTIER, CA 90602
Surgery
12462 PUTNAM ST, SUITE 200
WHITTIER, CA 90602
Orthopaedic Surgery
12462 PUTNAM ST, SUITE 402
WHITTIER, CA 90602

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 Maryam Zamanian's NPI number?

The NPI number for Maryam Zamanian is 1184672461. It was assigned to this individual provider in the NPPES registry on May 5, 2006.

Where is Maryam Zamanian located?

Maryam Zamanian practices at 12462 Putnam St Suite 208, Whittier, CA 90602. The listed phone number is (562) 789-5470.

What is Maryam Zamanian's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Maryam Zamanian enrolled in Medicare?

Yes. Maryam Zamanian 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 Maryam Zamanian's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maryam Zamanian reassigns Medicare benefits to 5 organizations: Whittier Pulmonary And Critical Care Medical Group, Inc. (Whittier, CA), Bel Air Critical Care Medical Group, Inc. (Los Angeles, CA), Healthcare Partners Affiliates Medical Group (Los Angeles, CA), Hp Intensivist Medical Group, Inc (Los Angeles, CA) and Merced Intensivist Group Inc (Merced, 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 Maryam Zamanian'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 Maryam Zamanian was last updated on November 22, 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.