STEVEN R CORWIN MD
NPI 1720089964
Ophthalmology in Thousand Oaks, CA

Active since August 10, 2005PECOS EnrolledAccepts Medicare Assignment
89.79/100
CMS Quality Rating
351 ROLLING OAKS DR STE 102, THOUSAND OAKS, CA 91361(805) 497-3744(805) 497-1663 Get Directions Write a Review

NPPES record last updated: March 9, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 9, 2021, Feb 6, 2019 (2 updates tracked since 2019).

About Steven R Corwin Md NPPES

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

STEVEN R CORWIN MD (NPI 1720089964) is an individual ophthalmology provider in Thousand Oaks, California, licensed in California (G139740) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS and is a graduate of Medical College Of Pennsylvania (1983).

NPPES Registry Identity

NPI1720089964
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameSTEVEN R CORWINCredential: MD
Location Address351 ROLLING OAKS DR STE 102Thousand Oaks, CA 91361-1279
Mailing Address351 Rolling Oaks Dr Ste 102Thousand Oaks, CA 91361-1279 · (805) 497-3744 · Fax (805) 497-1663
Fax(805) 497-1663
Sole ProprietorNo
Medical School CMSMedical College Of PennsylvaniaGraduated 1983
Enumeration DateAugust 10, 2005
Last NPPES UpdateMarch 9, 20212 updates tracked since enumeration
NPPES CertifiedMarch 9, 2021
NPI 1720089964 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License Licensed in CA · G139740
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.

351 ROLLING OAKS DR STE 102, Thousand Oaks, CA 91361

Accepted 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

Steven R Corwin 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 ID4385673060
PECOS Enrollment IDI20160830003230
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 23

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.
438 services424 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
412 services346 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
391 services265 patients
Removal of cataract with insertion of prosthetic lens 66984
This is a procedure where a cloudy lens in your eye, known as a cataract, is removed. After removal, a clear artificial lens is inserted. This helps to restore your vision, enabling you to see clearly again.
329 services215 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.
294 services274 patients
Closure of tear duct opening using plug 68761
Closure of the tear duct opening using a plug is a procedure to address excessive tear production. A small device is inserted into the tear duct to block it, reducing tear flow and relieving symptoms. This is a safe, reversible process, often performed in-office.
275 services121 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91361 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
$140.72 typical visit price
range $62.32 – $185.36
Typical copayment $35.18 (range $15.58 – $46.34)
Most-billed visit code 99204
Established Patient
$77.11 typical visit price
range $20.68 – $151.85
Typical copayment $19.27 (range $5.17 – $37.96)
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.

89.79/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality100
Improvement Activities40
Cost65.97

Other Providers at the Same Location NPPES 4

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

Ophthalmology
351 ROLLING OAKS DR STE 102
THOUSAND OAKS, CA 91361
Ophthalmology
351 ROLLING OAKS DR STE 102
THOUSAND OAKS, CA 91361
Ophthalmology
351 ROLLING OAKS DR STE 102
THOUSAND OAKS, CA 91361
Ophthalmology
351 ROLLING OAKS DR STE 102
THOUSAND OAKS, CA 91361

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 Steven Corwin's NPI number?

The NPI number for Steven Corwin is 1720089964. It was assigned to this individual provider in the NPPES registry on August 10, 2005.

Where is Steven Corwin located?

Steven Corwin practices at 351 Rolling Oaks Dr Ste 102, Thousand Oaks, CA 91361. The listed phone number is (805) 497-3744.

What is Steven Corwin's specialty?

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

Is Steven Corwin enrolled in Medicare?

Yes. Steven Corwin 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 Steven Corwin accept?

Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas list Steven Corwin 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 Steven Corwin was last updated on March 9, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.