JONATHAN CHASE WELCH MD
NPI 1407024227
Ophthalmology in San Marcos, TX

Active since February 14, 2008PECOS EnrolledAccepts Medicare Assignment
91.35/100
CMS Quality Rating
2430 S IH 35 STE 106, SAN MARCOS, TX 78666(512) 353-1300(512) 353-5135 Get Directions Write a Review

NPPES record last updated: October 28, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Jonathan Chase Welch Md NPPES

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

JONATHAN CHASE WELCH MD (NPI 1407024227) is an individual ophthalmology provider in San Marcos, Texas, licensed in Texas (TL2008) and active in the NPI registry since February 2008. He is enrolled in Medicare PECOS and is a graduate of Baylor College Of Medicine (2004).

NPPES Registry Identity

NPI1407024227
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameJONATHAN CHASE WELCHCredential: MD
Location Address2430 S IH 35 STE 106San Marcos, TX 78666-5921
Mailing Address2430 S Ih 35 Ste 106San Marcos, TX 78666-5921 · (512) 353-1300 · Fax (512) 353-5135
Fax(512) 353-5135
Sole ProprietorNo
Medical School CMSBaylor College Of MedicineGraduated 2004
Enumeration DateFebruary 14, 2008
Last NPPES UpdateOctober 28, 2020
NPPES CertifiedOctober 28, 2020
NPI 1407024227 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License Licensed in TX · TL2008
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.

2430 S IH 35 STE 106, San Marcos, TX 78666

Other Identifiers 1

Other742732278TX · Tax Id

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

Jonathan Chase Welch 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 ID2466522792
PECOS Enrollment IDI20080529000491
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 12

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.
1,396 services1,328 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).
534 services438 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.
446 services289 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.
405 services388 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.
390 services302 patients
Measurement of corneal curvature and depth of eye 92136
This procedure measures the shape and depth of your eye, specifically the cornea, the clear front surface. It helps in diagnosing conditions, planning for surgeries, or fitting contact lenses. It's non-invasive and painless.
229 services127 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78666 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
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
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.

91.35/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality100
Improvement Activities40
Cost71.18

Reported Quality Measures

Diabetes: Eye Exam
Percentage of patients 18-75 years of age with diabetes who had a retinal or dilated eye exam by an eye care professional during the measurement period or a negative retinal exam (no evidence of retinopathy) in the 12 months prior to the measurement period
100%161 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 6

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

Ophthalmology
2430 S IH 35 STE 106
SAN MARCOS, TX 78666
Ophthalmology
2430 S IH 35 STE 106
SAN MARCOS, TX 78666
Optometrist
2430 S IH 35 STE 106
SAN MARCOS, TX 78666
Ophthalmology
2430 S IH 35 STE 106
SAN MARCOS, TX 78666
Ophthalmology
2430 S IH 35 STE 106
SAN MARCOS, TX 78666
Ophthalmology
2430 S IH 35 STE 106
SAN MARCOS, TX 78666

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 Jonathan Welch's NPI number?

The NPI number for Jonathan Welch is 1407024227. It was assigned to this individual provider in the NPPES registry on February 14, 2008.

Where is Jonathan Welch located?

Jonathan Welch practices at 2430 S Ih 35 Ste 106, San Marcos, TX 78666. The listed phone number is (512) 353-1300.

What is Jonathan Welch's specialty?

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

Is Jonathan Welch enrolled in Medicare?

Yes. Jonathan Welch 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 Jonathan Welch accept?

Health plans from Blue Cross and Blue Shield of Texas, Imperial Insurance Companies, Inc. and Oscar Insurance Company list Jonathan Welch 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 Jonathan Welch was last updated on October 28, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.