CRYSTAL DARLENE CHATMAN-BROWN APRN
NPI 1851309710
Nurse Practitioner - Family in San Antonio, TX

Q: What is Crystal Chatman-brown's NPI number?

The NPI number for Crystal Chatman-brown is 1851309710. It was assigned to this individual provider in the NPPES registry on August 4, 2006.

Q: What is Crystal Chatman-brown's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Active since August 04, 2006PECOS EnrolledAccepts Medicare Assignment

18414 US HIGHWAY 281 N STE 104, SAN ANTONIO, TX 78259(210) 495-0222(210) 495-5914 Get Directions Write a Review

NPPES record last updated: December 4, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 4, 2021, Sep 29, 2020 (2 updates tracked since 2020).

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About Crystal Darlene Chatman-brown Aprn NPPES

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

CRYSTAL DARLENE CHATMAN-BROWN APRN (NPI 1851309710) is an individual family provider in San Antonio, Texas, licensed in Texas (834528) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2001).

NPPES Registry Identity

NPI1851309710

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameCRYSTAL DARLENE CHATMAN-BROWNCredential: APRN

Location Address18414 US HIGHWAY 281 N STE 104San Antonio, TX 78259-7611

Mailing Address6101 Blue Lagoon Dr Ste 400Miami, FL 33126-2051 · (305) 500-2027 · Fax (305) 500-2155

Phone(210) 495-0222

Fax(210) 495-5914

Sole ProprietorNo

Medical School CMSOtherGraduated 2001

Enumeration DateAugust 4, 2006

Last NPPES UpdateDecember 4, 20212 updates tracked since enumeration

NPPES CertifiedDecember 4, 2021

✔ NPI 1851309710 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in TX · 834528

18414 US HIGHWAY 281 N STE 104, San Antonio, TX 78259

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Crystal Darlene Chatman-brown Aprn 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 ID6103130125

PECOS Enrollment IDI20150805006857

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.

Medicare Billing Reassignment

Medicare enrollment records show Crystal Chatman-brown reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Conviva Medical Center Management Of Texas, P.A.

8.2 mi

Internal Medicine

12602 TOEPPERWEIN RD STE 100
Live Oak, TX 78233

Reassigned Medicare billing, Texas enrollment
161 clinicians in this Medicare group

NPI 1770988990 (210) 654-0030

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 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.

134 services86 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

96 services96 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

60 services52 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.

54 services40 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

40 services40 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

35 services35 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78259 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

$84.92 typical visit price

range $54.84 – $166.88

Typical copayment $21.23 (range $13.71 – $41.72)

Most-billed visit code 99203

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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

3 suppliers13 claims13 services$26.75 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 9

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

DR. JOSE FRANCISCO QUILES DIAZ M.D.

Family Medicine