Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

BEGUM SERENA SEZER MD
NPI 1891157939
Internal Medicine in Santa Monica, CA

Q: What is Begum Sezer's NPI number?

The NPI number for Begum Sezer is 1891157939. It was assigned to this individual provider in the NPPES registry on March 28, 2016.

Q: What is Begum Sezer's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Begum Sezer was last updated on June 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 52 days 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.

Active since March 28, 2016PECOS Enrolled

1245 16TH ST STE 125, SANTA MONICA, CA 90404(310) 315-8900 Get Directions Write a Review

NPPES record last updated: June 30, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 14, 2020, Jul 23, 2019, Jul 18, 2019 and 1 more (4 updates tracked since 2016).

On this page

About Begum Serena Sezer Md NPPES

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

BEGUM SERENA SEZER MD (NPI 1891157939) is an individual internal medicine provider in Santa Monica, California, licensed in California (A154428) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS, is affiliated with Saint Rose Dominican Hospitals - Siena Campus, and is a graduate of Tufts University School Of Medicine (2016).

NPPES Registry Identity

NPI1891157939

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameBEGUM SERENA SEZERCredential: MD

Location Address1245 16TH ST STE 125Santa Monica, CA 90404-1240

Mailing Address5767 W Century Blvd Ste 400Los Angeles, CA 90045-5631 · (310) 301-8707

Phone(310) 315-8900

Sole ProprietorNo

Medical School CMSTufts University School Of MedicineGraduated 2016

Enumeration DateMarch 28, 2016

Last NPPES UpdateJune 30, 20264 updates tracked since enumeration

NPPES CertifiedJune 30, 2026

✔ NPI 1891157939 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 · A154428

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.

1245 16TH ST STE 125, Santa Monica, CA 90404

Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Begum Serena Sezer Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3173857844

PECOS Enrollment IDI20250408003443

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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Saint Rose Dominican Hospitals - Siena Campus

Acute Care Hospitals · Henderson, NV

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number290045

Location3001 St Rose ParkwayHenderson, NV 89052 · Clark County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90404 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.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

2 suppliers17 claims17 services$14.89 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

1 supplier14 claims14 services$3.64 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

2 suppliers17 claims17 services$67.66 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

MILENA M KAUFMAN D.O.

Psychiatry & Neurology (Child & Adolescent Psychiatry)