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

DR. JOHN PHILIP ZACK M.D.
NPI 1629046347
Ophthalmology in Del Mar, CA

Active since March 09, 2006PECOS Enrolled
2295 LA AMATISTA RD, DEL MAR, CA 92014(858) 755-5797(858) 755-2901 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. John Philip Zack M.d. NPPES

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

DR. JOHN PHILIP ZACK M.D. (NPI 1629046347) is an individual ophthalmology provider in Del Mar, California, licensed in California (C28587) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1629046347
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameDR. JOHN PHILIP ZACKCredential: M.D.
Location Address2295 LA AMATISTA RDDel Mar, CA 92014-3033
Mailing Address2295 La Amatista RdDel Mar, CA 92014-3033
Phone(858) 755-5797
Fax(858) 755-2901
Sole ProprietorNo
Enumeration DateMarch 9, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1629046347 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in CA · C28587
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.
2295 LA AMATISTA RD, Del Mar, CA 92014
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. John Philip Zack 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92014 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
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
Established Patient
$76.87 typical visit price
range $20.62 – $151.42
Typical copayment $19.21 (range $5.15 – $37.85)
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.

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 John Zack's NPI number?

The NPI number for John Zack is 1629046347. It was assigned to this individual provider in the NPPES registry on March 9, 2006.

Where is John Zack located?

John Zack practices at 2295 La Amatista Rd, Del Mar, CA 92014. The listed phone number is (858) 755-5797.

What is John Zack's specialty?

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

Is John Zack enrolled in Medicare?

Yes. John Zack is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for John Zack was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 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.