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DR. MARK EVAN WARLEN MD
NPI 1518922178
Ophthalmology in San Diego, CA

Active since April 18, 2006PECOS EnrolledAccepts Medicare Assignment
13.63/100
CMS Quality Rating
3720 THIRD AVE, SAN DIEGO, CA 92103(619) 298-7221(619) 298-8609 Get Directions Write a Review

NPPES record last updated: January 4, 2011. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Mark Evan Warlen Md NPPES

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

DR. MARK EVAN WARLEN MD (NPI 1518922178) is an individual ophthalmology provider in San Diego, California, licensed in California (A52492) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of Baylor College Of Medicine (1992).

NPPES Registry Identity

NPI1518922178
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameDR. MARK EVAN WARLENCredential: MD
Location Address3720 THIRD AVESan Diego, CA 92103-4112
Mailing Address3720 Third AveSan Diego, CA 92103-4112 · (619) 298-7221 · Fax (619) 298-8609
Phone(619) 298-7221
Fax(619) 298-8609
Sole ProprietorYes
Medical School CMSBaylor College Of MedicineGraduated 1992
Enumeration DateApril 18, 2006
Last NPPES UpdateJanuary 4, 2011
✔ NPI 1518922178 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in CA · A52492
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.
3720 THIRD AVE, San Diego, CA 92103
Open in Google Maps ↗

Other Identifiers 4

Medicare UPINF77170
Medicare NSC4111910001
Medicare ID-Type UnspecifiedA52492
Medicaid8390034CA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and more.Insurance ›

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

Dr. Mark Evan Warlen 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 ID8921110743
PECOS Enrollment IDI20110405000697
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 11

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.

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.
921 services811 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.
479 services334 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).
433 services423 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.
338 services331 patients
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.
320 services303 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.
125 services125 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92103 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.

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.

13.63/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality0
Improvement Activities0
Cost45.45

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 Warlen's NPI number?

The NPI number for Mark Warlen is 1518922178. It was assigned to this individual provider in the NPPES registry on April 18, 2006.

Where is Mark Warlen located?

Mark Warlen practices at 3720 Third Ave, San Diego, CA 92103. The listed phone number is (619) 298-7221.

What is Mark Warlen's specialty?

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

Is Mark Warlen enrolled in Medicare?

Yes. Mark Warlen 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.

What insurance does Mark Warlen accept?

Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Providence Health Plan list Mark Warlen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mark Warlen was last updated on January 4, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.