Doctor profile · Federal record

Dr. Crystal Chatman-Brown, APRN

Family Nurse Practitioner (CMS: Nurse Practitioner) · San Antonio, TX

  • NPI 1851309710
  • Accepts Medicare
  • 25 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
18414 US Highway 281 N Ste 104
San Antonio, TX 782597611
(210) 495-0222
fax (210) 495-5914
Mailing address
6101 Blue Lagoon Dr Ste 400
Miami, FL 331262051

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
December 4, 2021
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Texas #834528

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851309710. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
466
Distinct HCPCS
9
Medicare allowed
$48,481
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 204 101 $104
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 69 69 $105
99213 Established patient office or other outpatient visit, 20-29 minutes 43 31 $74
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 40 40 $283
G0009 Administration of pneumococcal vaccine 31 31 $30
90471 Administration of vaccine 24 21 $16
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 21 21 $76
G0008 Administration of influenza virus vaccine 20 20 $30
99215 Established patient office or other outpatient visit, 40-54 minutes 14 14 $146

In context: peer comparison

Among 245 peers in this city , average services per provider: 166. This provider delivers 2.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$553
Transactions
29
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 7 $119.48
Lilly USA, LLC 3 $68.34
Bayer Healthcare Pharmaceuticals Inc. 3 $64.44
PFIZER INC. 3 $52.78
Salix Pharmaceuticals, a division of Bausch Health US, LLC 3 $47.66
Sumitomo Pharma America, Inc. 2 $41.71
Novartis Pharmaceuticals Corporation 2 $37.58
Boston Scientific Corporation 1 $34.47
SI-BONE, INC. 2 $30.79
Abbott Laboratories 1 $23.95
PhotoniCare Inc 1 $16.24
SHIELD THERAPEUTICS INC 1 $15.37

By nature of payment

Food and Beverage
$553

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,022
Patients
694
Total drug cost
$12,158
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 303 90 $2,077
Lisinopril Generic 241 72 $991
Levothyroxine Sodium Generic 239 70 $2,306
Amlodipine Besylate Generic 197 67 $512
Rosuvastatin Calcium Generic 161 56 $1,041
Losartan Potassium Generic 159 52 $947
Levocetirizine Dihydrochloride Generic 118 52 $1,357
Hydrochlorothiazide Generic 105 34 $168
Metformin Hcl Generic 88 31 $289
Trazodone Hcl Generic 77 26 $612

Frequently asked questions

Auto-generated from federal data
What is Dr. Crystal Chatman-Brown's medical specialty?
Dr. Crystal Chatman-Brown practices Family Nurse Practitioner in San Antonio, TX.
Where does Dr. Crystal Chatman-Brown practice?
Dr. Crystal Chatman-Brown practices at 18414 US Highway 281 N Ste 104, San Antonio, TX 782597611. Office phone: 2104950222.
What is Dr. Crystal Chatman-Brown's NPI?
Dr. Crystal Chatman-Brown's National Provider Identifier (NPI) is 1851309710, issued by NPPES.
Does Dr. Crystal Chatman-Brown accept Medicare assignment?
Yes. Dr. Crystal Chatman-Brown accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Crystal Chatman-Brown commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.