Crystal Mae Brown, APN
- Medicare patients, 2024
- 239
- MIPS score, 2024
- 100
- Hospital affiliations
- 4
- Industry payments
- $17
- Medical group
- 1
- Practice address
- 1 St Elizabeth Blvd, O'Fallon, IL 62269
- Practice phone
- Call (217) 492-9651
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
HSHS St. Elizabeth's Hospital
O'Fallon, Illinois
Find Crystal Brown's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Crystal Mae Brown is a nurse practitioner in O'Fallon, Illinois
Crystal Brown practices at HSHS St. Elizabeth's Hospital in O'Fallon, Illinois.
Crystal Brown's NPI, 1508260761, was assigned on October 17, 2014. Crystal Brown holds Illinois license 209011649.
- NPI
- 1508260761NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3577889237
- NPI enumeration date
- October 17, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (217) 492-9651
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Crystal Mae Brown practices at HSHS St. Elizabeth's Hospital in O'Fallon, Illinois
Crystal Brown's primary practice is HSHS St. Elizabeth's Hospital, at 1 St Elizabeth Blvd, O'Fallon, IL 62269 in Saint Clair County. The practice phone is (217) 492-9651.
- HSHS St. Elizabeth's Hospital1 St Elizabeth Blvd, O'Fallon, IL 62269 · Saint Clair CountyPhone(217) 492-9651
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Crystal Mae Brown is affiliated with 5 sites of care and 1 medical group
Crystal Brown's primary practice is HSHS St. Elizabeth's Hospital in O'Fallon, Illinois. Crystal Brown is also affiliated with HSHS St. Elizabeth's Hospital. The medical group on file is Vituity (formerly CEP America). Dmand AI also links Crystal Brown to 3 more hospitals, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Crystal Mae Brown's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Crystal Brown practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| HSHS St. Elizabeth's Hospital | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Crystal Mae Brown is one of 4,254 nurse practitioners in Illinois
Nurse practitioner is Crystal Brown's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Crystal Brown is licensed in Illinois.
Specialties and state licenses
- Nurse practitioner, IllinoisPrimary
Nurse practitioners near Crystal Brown
Counts of nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Crystal Mae Brown treated 239 Medicare patients in 2024, average age 77
CMS counts 239 Medicare patients who saw Crystal Brown in 2024. The largest group is 75 to 84, with 88 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 26% are also on Medicaid. Their average risk score is 2.83, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Crystal Brown's median patient age at 70, with 59% women.
Crystal Brown's Medicare patients by age, 2024
Crystal Brown's Medicare patients by sex, 2024
- Women14862%
- Men9138%
Chronic conditions among Crystal Brown's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis67%
- Chronic kidney disease60%
- Heart failure58%
- Ischemic heart disease58%
- Diabetes49%
- Mood disorders41%
Share of Medicare patients with each condition. A patient can have several.
Crystal Brown's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Crystal Mae Brown scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Crystal Brown for performance year 2024, reported as part of a group. Crystal Brown accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Crystal Brown's MIPS scores, performance year 2024
- 100of 100Final score
- 96.6of 100Quality
- 40of 100Improvement Activities
- 82of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
Crystal Mae Brown received $17 in industry payments in 2025
CMS Open Payments shows 1 general payment to Crystal Brown from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $17.
Companies that paid Crystal Brown the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Crystal Mae Brown's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Crystal Mae Brown
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Crystal Mae Brown's NPI number?
Crystal Mae Brown's NPI number is 1508260761. It was assigned on October 17, 2014, and it is active in the NPI Registry.
What does Crystal Mae Brown specialize in?
Crystal Mae Brown is a nurse practitioner in O'Fallon, Illinois. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Crystal Mae Brown practice?
Crystal Brown practices at 1 St Elizabeth Blvd, O'Fallon, IL 62269. Crystal Brown's primary practice is HSHS St. Elizabeth's Hospital in O'Fallon, Illinois. Dmand AI also links Crystal Brown to 3 hospitals.
What is Crystal Mae Brown's office phone number?
The practice phone on file for Crystal Brown is (217) 492-9651.
What is Crystal Mae Brown's medical license number?
Crystal Brown holds Illinois license 209011649.
Which hospitals is Crystal Mae Brown affiliated with?
Crystal Brown is affiliated with HSHS St. Elizabeth's Hospital. Dmand AI links Crystal Brown to 3 more hospitals.
What medical group is Crystal Mae Brown part of?
Crystal Brown is linked to Vituity (formerly CEP America).
Does Crystal Mae Brown accept Medicare?
Yes. CMS lists Crystal Brown as accepting Medicare assignment.
What is Crystal Mae Brown's MIPS score?
Crystal Brown's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
How many Medicare patients does Crystal Mae Brown see?
CMS counts 239 Medicare patients who saw Crystal Brown in 2024, with an average age of 77.
Has Crystal Mae Brown received payments from drug or device companies?
CMS Open Payments shows $17 in general payments to Crystal Brown from 1 company from 2025 to 2025. The largest total came from Abbott Laboratories.
How long has Crystal Mae Brown been practicing?
Crystal Brown graduated from medical school in 2013, 13 years ago.
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