MERRILL CAROLIN MD
NPI 1912014994
Psychiatry & Neurology - Neurology in San Antonio, TX

Q: What is Merrill Carolin's NPI number?

The NPI number for Merrill Carolin is 1912014994. It was assigned to this individual provider in the NPPES registry on August 24, 2006.

Q: What is Merrill Carolin's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Q: When was this NPI record last updated?

The NPPES record for Merrill Carolin was last updated on July 13, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.

Active since August 24, 2006PECOS Enrolled

4647 MEDICAL DR, SAN ANTONIO, TX 78229(210) 257-1400 Get Directions Write a Review

NPPES record last updated: July 13, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Merrill Carolin Md NPPES

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

MERRILL CAROLIN MD (NPI 1912014994) is an individual neurology provider in San Antonio, Texas, licensed in Texas (H3396) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1912014994

Entity TypeIndividualFemale

Primary Taxonomy2084N0400X

Provider Legal NameMERRILL CAROLINCredential: MD

Location Address4647 MEDICAL DRSan Antonio, TX 78229-4403

Mailing Address7703 Floyd Curl Dr, Uthscsa Neurology Medicine Msc 7883San Antonio, TX 78229 · (210) 617-5161

Phone(210) 257-1400

Sole ProprietorNo

Enumeration DateAugust 24, 2006

Last NPPES UpdateJuly 13, 2007

✔ NPI 1912014994 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians

Taxonomy Code2084N0400X

License✔ Licensed in TX · H3396

Definition

A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

4647 MEDICAL DR, San Antonio, TX 78229

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Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Merrill Carolin Md 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 78229 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

$97.05 typical visit price

range $17.52 – $136.11

Typical copayment $24.26 (range $4.38 – $34.02)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

JOHANNA L. VIDOLA

Occupational Therapist