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DR. ALEXANDER M CHOP PH.D. M.D.
NPI 1952368920
Ophthalmology in Palm Desert, CA

Active since April 26, 2006PECOS Enrolled
95.44/100
CMS Quality Rating
44139 MONTEREY AVE STE A, PALM DESERT, CA 92260(760) 779-0800(760) 779-0801 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 7, 2023, Jan 6, 2020, Nov 20, 2019 and 1 more (4 updates tracked since 2018).

About Dr. Alexander M Chop Ph.d. M.d. NPPES

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

DR. ALEXANDER M CHOP PH.D. M.D. (NPI 1952368920) is an individual ophthalmology provider in Palm Desert, California, licensed in California (A80309) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1952368920
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameDR. ALEXANDER M CHOPCredential: PH.D. M.D.
Location Address44139 MONTEREY AVE STE APalm Desert, CA 92260-8700
Mailing Address47474 Washington StLa Quinta, CA 92253-8846 · (800) 898-2020 · Fax (844) 897-3788
Phone(760) 779-0800
Fax(760) 779-0801
Sole ProprietorNo
Enumeration DateApril 26, 2006
Last NPPES UpdateMarch 7, 20234 updates tracked since enumeration
NPPES CertifiedJanuary 6, 2020
✔ NPI 1952368920 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
Licenses✔ Licensed in CA · A80309✔ Licensed in NY · 226559-1
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.
44139 MONTEREY AVE STE A, Palm Desert, CA 92260
Open in Google Maps ↗

Other Identifiers 1

Medicaid02433223NY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Alexander M Chop Ph.d. M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Alexander Chop reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

M B Kayani Physician PC
2,271 mi
Ophthalmology
1815 STATE ST
Watertown, NY 13601
  • Reassigned Medicare billing, New York enrollment
  • 9 clinicians in this Medicare group
NPI 1417907346 (315) 788-6070
Kwiat Eye And Laser Surgery PLLC
2,353 mi
Ophthalmology
100 HOLLAND CIRCLE DR
Amsterdam, NY 12010
  • Reassigned Medicare billing, New York enrollment
  • 19 clinicians in this Medicare group
NPI 1275763468 (518) 842-3800

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 7

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.
67 services49 patients
Established patient problem focused exam of visual system 92012
This is a routine check-up for existing patients focusing on the visual system. It involves examining your eyes to detect any potential issues or changes in your vision. It's a crucial part of maintaining good eye health.
65 services49 patients
Exam of visual field with extended testing 92083
An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.
39 services39 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.
36 services36 patients
Imaging of optic nerve 92133
Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).
30 services30 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.
22 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92260 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
$136.04 typical visit price
range $59.60 – $179.42
Typical copayment $34.01 (range $14.90 – $44.85)
Most-billed visit code 99204
Established Patient
$74.08 typical visit price
range $19.37 – $146.42
Typical copayment $18.52 (range $4.84 – $36.60)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

95.44/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality86.49
Improvement Activities40

Other Providers at the Same Location NPPES 8

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

RALPH B HESTER III M.D.
Ophthalmology
44139 MONTEREY AVE STE A
PALM DESERT, CA 92260
Riverside County (760) 469-5195
BENJAMIN TAUTGES OD
Optometrist
44139 MONTEREY AVE STE A
PALM DESERT, CA 92260
Riverside County (760) 779-0800
FORREST PATRICK MURPHY MD
Ophthalmology
44139 MONTEREY AVE STE A
PALM DESERT, CA 92260
Riverside County (760) 469-5195
DR. REBECCA LYNNE CHAIT M.D.
Ophthalmology
44139 MONTEREY AVE STE A
PALM DESERT, CA 92260
Riverside County (800) 898-2020
DR. JONATHAN BALAGOT DIZON O.D.
Optometrist
44139 MONTEREY AVE STE A
PALM DESERT, CA 92260
Riverside County (760) 469-5195
VITALIY ZAK M.D.
Ophthalmology (Retina Specialist)
44139 MONTEREY AVE STE A
PALM DESERT, CA 92260
Riverside County (760) 469-5195
MICHAEL A SAMUEL M.D.
Ophthalmology (Retina Specialist)
44139 MONTEREY AVE STE A
PALM DESERT, CA 92260
Riverside County (760) 779-0800
DR. RUDOLPH GARCIA ALANIS O.D.
Optometrist
44139 MONTEREY AVE STE A
PALM DESERT, CA 92260
Riverside County (760) 469-5195

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 Alexander Chop's NPI number?

The NPI number for Alexander Chop is 1952368920. It was assigned to this individual provider in the NPPES registry on April 26, 2006.

Where is Alexander Chop located?

Alexander Chop practices at 44139 Monterey Ave Ste A, Palm Desert, CA 92260. The listed phone number is (760) 779-0800.

What is Alexander Chop's specialty?

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

Is Alexander Chop enrolled in Medicare?

Yes. Alexander Chop is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Alexander Chop's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Chop reassigns Medicare benefits to 2 organizations: M B Kayani Physician PC (Watertown, NY) and Kwiat Eye And Laser Surgery PLLC (Amsterdam, NY). 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 Alexander Chop'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 Alexander Chop was last updated on March 7, 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.