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MARK S HUMAYUN M.D.
NPI 1548322381
Ophthalmology in Los Angeles, CA

Active since December 15, 2006PECOS EnrolledAccepts Medicare Assignment
1450 SAN PABLO ST, SUITE 4000, LOS ANGELES, CA 90033(323) 442-6311(323) 442-7166 Get Directions Write a Review

NPPES record last updated: November 27, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mark S Humayun M.d. NPPES

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

MARK S HUMAYUN M.D. (NPI 1548322381) is an individual ophthalmology provider in Los Angeles, California, licensed in California (A52637) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS and is a graduate of Duke University School Of Medicine (1989).

NPPES Registry Identity

NPI1548322381
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameMARK S HUMAYUNCredential: M.D.
Location Address1450 SAN PABLO ST, SUITE 4000Los Angeles, CA 90033-4668
Mailing AddressPo Box 31309Los Angeles, CA 90031-0309 · (323) 442-7152 · Fax (323) 442-7166
Phone(323) 442-6311
Fax(323) 442-7166
Sole ProprietorNo
Medical School CMSDuke University School Of MedicineGraduated 1989
Enumeration DateDecember 15, 2006
Last NPPES UpdateNovember 27, 2023
NPPES CertifiedAugust 25, 2020
✔ NPI 1548322381 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in CA · A52637
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
1450 SAN PABLO ST, Los Angeles, CA 90033
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Other Identifiers 1

Other00A526370CA · Blue Shield

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mark S Humayun 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 ID840336475
PECOS Enrollment IDI20091012000408
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.

Areas of Expertise CMS Part B claims 5

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.

Imaging of retina 92134
Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.
168 services83 patients
Established patient complete exam of visual system 92014
An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.
126 services79 patients
Injection of drug into eye 67028
An injection into the eye is a procedure where a medication is delivered directly into your eye to treat various conditions. A local anesthetic is applied to numb the eye, ensuring minimal discomfort. The drug helps manage diseases like macular degeneration or diabetic retinopathy.
89 services20 patients
New patient complete exam of visual system 92004
A new patient complete exam of the visual system is a thorough evaluation of your eyes and vision. It checks for any potential issues and assesses overall eye health. It includes tests for visual acuity, eye movement, and light response.
21 services21 patients
Photography of the retina 92250
Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.
14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90033 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
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
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.

THOMAS S ISSA
Student in an Organized Health Care Education/Training Program
1450 SAN PABLO ST
LOS ANGELES, CA 90033
Los Angeles County (424) 253-5350
ANDREANA CHEN
Student in an Organized Health Care Education/Training Program
1450 SAN PABLO ST
LOS ANGELES, CA 90033
Los Angeles County (323) 442-5250
DILIPKUMAR PAREKH MD
Surgery (Surgical Oncology)
1450 SAN PABLO ST, SUITE 6200
LOS ANGELES, CA 90033
Los Angeles County (323) 442-9062
SAMUEL YIU M.D.
Ophthalmology
1450 SAN PABLO ST, SUITE 4000
LOS ANGELES, CA 90033
Los Angeles County (323) 442-6335
ELI CHANG M.D.
Ophthalmology
1450 SAN PABLO ST, SUITE 4000
LOS ANGELES, CA 90033
Los Angeles County (323) 442-6335
MATTHEW CAMIL BUJAK M.D.
Ophthalmology
1450 SAN PABLO ST, AUITE 4000
LOS ANGELES, CA 90033
Los Angeles County (323) 442-7124
FARNAZ MEMARZADEH M.D.
Ophthalmology
1450 SAN PABLO ST, SUITE #4000
LOS ANGELES, CA 90033
Los Angeles County (323) 442-7160
FARZAD PAKDEL
Ophthalmology (Ophthalmic Plastic and Reconstructive Surgery)
1450 SAN PABLO ST
LOS ANGELES, CA 90033
Los Angeles County (626) 500-8486

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 Mark Humayun's NPI number?

The NPI number for Mark Humayun is 1548322381. It was assigned to this individual provider in the NPPES registry on December 15, 2006.

Where is Mark Humayun located?

Mark Humayun practices at 1450 San Pablo St Suite 4000, Los Angeles, CA 90033. The listed phone number is (323) 442-6311.

What is Mark Humayun's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Mark Humayun enrolled in Medicare?

Yes. Mark Humayun 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.

When was this NPI record last updated?

The NPPES record for Mark Humayun was last updated on November 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.