Crystal Darlene Chatman-Brown, APRN
Family Nurse Practitioner · San Antonio, TX
Crystal Darlene Chatman-Brown, APRN is a family nurse practitioner with a practice address in San Antonio, Texas, and NPI 1851309710, issued on Aug 4, 2006. Check the license (Texas 834528, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Crystal Darlene Chatman-Brown
- Credential
- APRN
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 834528 TX
Self-reported in NPPES; status is on the state search - Practice location
- 18414 US Highway 281 N Ste 104, San Antonio, TX 78259
- Phone
- (210) 495-0222
- Enumerated
- Aug 4, 2006
- Record last updated
- Dec 4, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (210) 495-5914
- Medicare enrollment
- Enrolled (PECOS I20150805006857); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 21,242 in Texas → Look up another NPI →
Also registered at 18414 US Highway 281 N Ste 104
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Carol Menzel-Anderson, M.D.Internal Medicine Physician1093816183
- Shelly Nickels, MDInternal Medicine Physician1891088159
Verify Crystal Darlene Chatman-Brown in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 834528Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.7 times the Medicare Part D claims of the average family nurse practitioner in 2024
4,827 Medicare Part D claims for 523 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 20 claims were for opioids.
Most prescribed
- Atorvastatin Calcium333 claims
- Amlodipine Besylate244 claims
- Lisinopril239 claims
- Levothyroxine Sodium232 claims
- Rosuvastatin Calcium226 claims
- Losartan Potassium176 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $552.81
29 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Conviva Medical Center Management OF Texas, P.A.San Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Crystal Darlene Chatman-Brown among 21,242 family nurse practitioner records in Texas
Crystal Darlene Chatman-Brown, APRN is one of 21,242 family nurse practitioner records with a practice address in Texas. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 94% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2001 · median 2018 among the 11,286 with a school on file
- Record last updated2021 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,362 family nurse practitioner records list a practice address in San Antonio
They are 1,362 of the 37,749 NPPES records with a practice address in San Antonio, and 21,242 family nurse practitioner records in Texas.
All 21,242 in Texas → Every provider in San Antonio → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Leticia AustinSan Antonio, TX 782591285285270
- Angella Brown, FNP-BCSan Antonio, TX 782591154729358
- Ernesto CerdinaSan Antonio, TX 782591063961001
- Jesse DelacruzSan Antonio, TX 782591699121871
- Tanja GanuesSan Antonio, TX 782591326573916
- Jennifer Hatch, FNP-CSan Antonio, TX 782591396636551
- Patricia Johnson, FNPSan Antonio, TX 782591447621099
- Reymundo Lariosa, APNSan Antonio, TX 782591598968273
Common questions
What is Crystal Darlene Chatman-Brown, APRN's NPI number?
Crystal Darlene Chatman-Brown, APRN's National Provider Identifier (NPI) is 1851309710, issued on Aug 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Crystal Darlene Chatman-Brown, APRN located?
The NPPES record lists a practice address at 18414 US Highway 281 N Ste 104, San Antonio, TX, 78259. Phone: (210) 495-0222. Providers update this record themselves, so call before visiting.
How can I verify Crystal Darlene Chatman-Brown, APRN's license?
NPPES lists Texas license number 834528, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Crystal Darlene Chatman-Brown, APRN prescribe under Medicare Part D?
In 2024, Crystal Darlene Chatman-Brown, APRN had 4,827 Medicare Part D claims for 523 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.