DR. YEMBUR AHMAD MD
NPI 1669978342
Pathology - Blood Banking & Transfusion Medicine in Los Angeles, CA

Active since April 02, 2018PECOS EnrolledAccepts Medicare Assignment
4650 W SUNSET BLVD, MAIL STOP #43, LOS ANGELES, CA 90027(323) 660-2450 Get Directions Write a Review

NPPES record last updated: September 28, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 24, 2023, Jul 11, 2018 (2 updates tracked since 2018).

About Dr. Yembur Ahmad Md NPPES

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

DR. YEMBUR AHMAD MD (NPI 1669978342) is an individual blood banking & transfusion medicine provider in Los Angeles, California, licensed in California (A188893) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS, is affiliated with Brigham And Women's Hospital, and is a graduate of University Of Missouri, Kansas City, School Of Medicine (2018).

NPPES Registry Identity

NPI1669978342
Entity TypeIndividualFemale
Primary Taxonomy207ZB0001X
Provider Legal NameDR. YEMBUR AHMADCredential: MD
Location Address4650 W SUNSET BLVD, MAIL STOP #43Los Angeles, CA 90027
Mailing Address4650 W Sunset Blvd, Mail Stop #43Los Angeles, CA 90027 · (323) 660-2450
Sole ProprietorNo
Medical School CMSUniversity Of Missouri, Kansas City, School Of MedicineGraduated 2018
Enumeration DateApril 2, 2018
Last NPPES UpdateSeptember 28, 20232 updates tracked since enumeration
NPPES CertifiedSeptember 28, 2023
✔ NPI 1669978342 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPathology · Blood Banking & Transfusion MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207ZB0001X
License✔ Licensed in CA · A188893
Definition
A physician who specializes in blood banking/transfusion medicine is responsible for the maintenance of an adequate blood supply, blood donor and patient-recipient safety and appropriate blood utilization. Pre-transfusion compatibility testing and antibody testing assure that blood transfusions, when indicated, are as safe as possible. This physician directs the preparation and safe use of specially prepared blood components, including red blood cells, white blood cells, platelets and plasma constituents, and marrow or stem cells for transplantation.
Also ListedPathology · Anatomic PathologyTaxonomy 207ZP0101X · License A188893 (CA)
4650 W SUNSET BLVD, Los Angeles, CA 90027

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. Yembur Ahmad 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 ID8224386560
PECOS Enrollment IDI20250610002458
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

4

Medicare enrollment records show Yembur Ahmad reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anatomic Pathology & Clinical Pathology
4650 W SUNSET BLVD
Los Angeles, CA 90027
  • Reassigned Medicare billing, California enrollment
  • 23 clinicians in this Medicare group
Internal Medicine
75 FRANCIS ST
Boston, MA 02115
  • Reassigned Medicare billing, Massachusetts enrollment
  • 4,574 clinicians in this Medicare group
Dermatology
55 FRUIT ST, BUL 2
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,360 clinicians in this Medicare group
General Acute Care Hospital
55 FRUIT ST, BULFINCH 360
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,234 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.

Hospital Affiliations CMS Care Compare

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

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90027 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.

Pediatrics
4650 W SUNSET BLVD
LOS ANGELES, CA 90027
Pediatrics (Pediatric Pulmonology)
4650 W SUNSET BLVD
LOS ANGELES, CA 90027
General Acute Care Hospital (Children)
4650 W SUNSET BLVD
LOS ANGELES, CA 90027
Physical Therapist (Pediatrics)
4650 W SUNSET BLVD
LOS ANGELES, CA 90027
Psychologist (Clinical Child & Adolescent)
4650 W SUNSET BLVD, MS #53
LOS ANGELES, CA 90027
Nurse Practitioner (Pediatrics)
4650 W SUNSET BLVD, MS #81
LOS ANGELES, CA 90027
Pediatrics (Pediatric Emergency Medicine)
4650 W SUNSET BLVD
LOS ANGELES, CA 90027
Student in an Organized Health Care Education/Training Program
4650 W SUNSET BLVD
LOS ANGELES, CA 90027

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 Yembur Ahmad's NPI number?

The NPI number for Yembur Ahmad is 1669978342. It was assigned to this individual provider in the NPPES registry on April 2, 2018.

Where is Yembur Ahmad located?

Yembur Ahmad practices at 4650 W Sunset Blvd Mail Stop #43, Los Angeles, CA 90027. The listed phone number is (323) 660-2450.

What is Yembur Ahmad's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Blood Banking & Transfusion Medicine, with taxonomy code 207ZB0001X.

Is Yembur Ahmad enrolled in Medicare?

Yes. Yembur Ahmad 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 Yembur Ahmad's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Yembur Ahmad reassigns Medicare benefits to 4 organizations: Chlamg-Pathology LP (Los Angeles, CA), Brigham & Womens Physicians Organization Inc (Boston, MA), Massachusetts General Physicians Organization Inc (Boston, MA) and The General Hospital Corporation (Boston, MA). 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 Yembur Ahmad's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Yembur Ahmad affiliated with any hospitals?

According to CMS data, Yembur Ahmad is affiliated with Brigham And Women's Hospital.

When was this NPI record last updated?

The NPPES record for Yembur Ahmad was last updated on September 28, 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.