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DR. SAMEER AMIN MD
NPI 1326164633
Internal Medicine in Downey, CA

Active since March 21, 2007PECOS EnrolledAccepts Medicare Assignment
10000 LAKEWOOD BLVD, DOWNEY, CA 90240(562) 862-3684(562) 862-7145 Get Directions Write a Review

NPPES record last updated: February 3, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 3, 2023, Sep 12, 2019, Jun 14, 2018 (3 updates tracked since 2018).

About Dr. Sameer Amin Md NPPES

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

DR. SAMEER AMIN MD (NPI 1326164633) is an individual internal medicine provider in Downey, California, licensed in California (A108307) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (2006).

NPPES Registry Identity

NPI1326164633
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. SAMEER AMINCredential: MD
Location Address10000 LAKEWOOD BLVDDowney, CA 90240-4020
Mailing Address12900 Park Plaza Dr, Ste 150Cerritos, CA 90703-9329 · (562) 977-4674
Phone(562) 862-3684
Fax(562) 862-7145
Sole ProprietorNo
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 2006
Enumeration DateMarch 21, 2007
Last NPPES UpdateFebruary 3, 20233 updates tracked since enumeration
✔ NPI 1326164633 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 · A108307
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.
10000 LAKEWOOD BLVD, Downey, CA 90240
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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

Dr. Sameer Amin 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 ID9436345980
PECOS Enrollment IDI20101123000073
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

2

Medicare enrollment records show Sameer Amin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Southern California Permanente Medical Group
3.3 mi
Health Maintenance Organization
9400 ROSECRANS AVE
Bellflower, CA 90706
  • Reassigned Medicare billing, California enrollment
  • Also billed through NPI 1396287082 (California)
  • 13,921 clinicians in this Medicare group
NPI 1043242555 (562) 461-3000
Healthcare Partners Affiliates Medical Group
11 mi
Internal Medicine
1120 W WASHINGTON BLVD
Los Angeles, CA 90015
  • Reassigned Medicare billing, California enrollment
  • 2,052 clinicians in this Medicare group
NPI 1659312593 (213) 623-2225

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 90240 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.

IVAN R CRUZ NP
Nurse Practitioner (Family)
10000 LAKEWOOD BLVD
DOWNEY, CA 90240
Los Angeles County (562) 862-3684
SUNGWON OK N.P.
Nurse Practitioner (Family)
10000 LAKEWOOD BLVD
DOWNEY, CA 90240
Los Angeles County (562) 862-3684
WANG JI M.D.
Internal Medicine
10000 LAKEWOOD BLVD
DOWNEY, CA 90240
Los Angeles County (562) 862-3684
NAJAM PARVEZ IQBAL FNP-BC
Nurse Practitioner (Family)
10000 LAKEWOOD BLVD
DOWNEY, CA 90240
Los Angeles County (562) 862-3684
MRS. RACHEL CRUZ ARAGON NP
Nurse Practitioner
10000 LAKEWOOD BLVD
DOWNEY, CA 90240
Los Angeles County (562) 862-3684
MR. SERGIO HERNANDEZ NP
Nurse Practitioner (Family)
10000 LAKEWOOD BLVD
DOWNEY, CA 90240
Los Angeles County (562) 862-3684
IVY W. LIN OPTOMETRY, INC.
Optometrist
10000 LAKEWOOD BLVD
DOWNEY, CA 90240
Los Angeles County (562) 659-8347
HYONG J. KIM M.D.
Internal Medicine
10000 LAKEWOOD BLVD, ATTENTION MAGGIE NOLES MS 6165
DOWNEY, CA 90240
Los Angeles County (562) 862-3684

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 Sameer Amin's NPI number?

The NPI number for Sameer Amin is 1326164633. It was assigned to this individual provider in the NPPES registry on March 21, 2007.

Where is Sameer Amin located?

Sameer Amin practices at 10000 Lakewood Blvd, Downey, CA 90240. The listed phone number is (562) 862-3684.

What is Sameer Amin's specialty?

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

Is Sameer Amin enrolled in Medicare?

Yes. Sameer Amin 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 Sameer Amin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sameer Amin reassigns Medicare benefits to 2 organizations: Southern California Permanente Medical Group (Bellflower, CA) and Healthcare Partners Affiliates Medical Group (Los Angeles, 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 Sameer Amin'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 Sameer Amin was last updated on February 3, 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.