Crystal Lynn Chastain, CNP
- Medicare patients, 2024
- 65
- Part D claims, 2024
- 148
- MIPS score, 2024
- 88
- Hospital affiliations
- 1
- Medical group
- 1
- Practice address
- 1000 Medical Center Boulevard, Lawrenceville, GA 30045
- Practice phone
- Call (678) 312-4310
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Crystal Chastain'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 Lynn Chastain is a gerontology nurse practitioner in Lawrenceville, Georgia
Crystal Chastain practices at Northside Hospital Gwinnett in Lawrenceville, Georgia, part of Northside Hospital.
Crystal Chastain's NPI, 1245612654, was assigned on June 22, 2015. Crystal Chastain holds Georgia license RN198451.
- NPI
- 1245612654NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9133420987
- NPI enumeration date
- June 22, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (678) 312-4310
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Crystal Lynn Chastain practices at Northside Hospital Gwinnett in Lawrenceville, Georgia
Crystal Chastain's primary practice is Northside Hospital Gwinnett, at 1000 Medical Center Boulevard, Lawrenceville, GA 30045 in Gwinnett County. The practice phone is (678) 312-4310.
- Northside Hospital Gwinnett1000 Medical Center Boulevard, Lawrenceville, GA 30045 · Gwinnett CountyPhone(678) 312-4310
Source: Dmand AI Affiliation Data
Crystal Lynn Chastain is affiliated with 1 site of care and 1 medical group
Crystal Chastain's primary practice is Northside Hospital Gwinnett in Lawrenceville, Georgia, part of Northside Hospital. The medical group on file is Northside Hospital Atlanta.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Crystal Lynn Chastain's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Crystal Chastain practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northside Hospital Gwinnett | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Northside Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Crystal Lynn Chastain is one of 199 gerontology nurse practitioners in Georgia
Gerontology is Crystal Chastain's primary specialty in the NPI Registry, under taxonomy code 363LG0600X. Crystal Chastain is licensed in Georgia.
Specialties and state licenses
- Gerontology nurse practitioner, GeorgiaPrimary
Gerontology nurse practitioners near Crystal Chastain
Counts of gerontology 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 Lynn Chastain treated 65 Medicare patients in 2024, average age 75
CMS counts 65 Medicare patients who saw Crystal Chastain in 2024. The largest group is 65 to 74, with 30 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 26% are also on Medicaid. Their average risk score is 2.96, 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 Chastain's median patient age at 72, with 59% women.
Crystal Chastain's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Crystal Chastain's Medicare patients by sex, 2024
- Women3554%
- Men3046%
Chronic conditions among Crystal Chastain's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease60%
- Heart failure60%
- Diabetes57%
- Arthritis54%
- Ischemic heart disease52%
- Mood disorders43%
Share of Medicare patients with each condition. A patient can have several.
Crystal Chastain's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Crystal Lynn Chastain wrote 148 Medicare Part D claims in 2024
In 2024, Crystal Chastain wrote 148 Medicare Part D claims for 45 patients. 85% of them were for generic drugs.
Crystal Chastain's Part D claims by kind of drug, 2024
- Generic126 claims85%
- Brand-name22 claims15%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Crystal Lynn Chastain scored 88 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Crystal Chastain for performance year 2024, reported as part of a group. Crystal Chastain accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Crystal Chastain's MIPS scores, performance year 2024
- 88of 100Final score
- 85.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 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
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Sources for Crystal Lynn Chastain'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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) |
| Part D prescribing | Medicare Part D Prescribers - 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) |
| 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 Lynn Chastain
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 Lynn Chastain's NPI number?
Crystal Lynn Chastain's NPI number is 1245612654. It was assigned on June 22, 2015, and it is active in the NPI Registry.
What does Crystal Lynn Chastain specialize in?
Crystal Lynn Chastain is a gerontology nurse practitioner in Lawrenceville, Georgia. The primary specialty in the NPI Registry is Gerontology Nurse Practitioner (taxonomy code 363LG0600X).
Where does Crystal Lynn Chastain practice?
Crystal Chastain practices at 1000 Medical Center Boulevard, Lawrenceville, GA 30045. Crystal Chastain's primary practice is Northside Hospital Gwinnett in Lawrenceville, Georgia, part of Northside Hospital.
What is Crystal Lynn Chastain's office phone number?
The practice phone on file for Crystal Chastain is (678) 312-4310.
What is Crystal Lynn Chastain's medical license number?
Crystal Chastain holds Georgia license RN198451.
Which hospitals is Crystal Lynn Chastain affiliated with?
Crystal Chastain practices at Northside Hospital Gwinnett in Lawrenceville, Georgia.
What medical group is Crystal Lynn Chastain part of?
Crystal Chastain is linked to Northside Hospital Atlanta.
Does Crystal Lynn Chastain accept Medicare?
Yes. CMS lists Crystal Chastain as accepting Medicare assignment.
What is Crystal Lynn Chastain's MIPS score?
Crystal Chastain's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.
How many Medicare patients does Crystal Lynn Chastain see?
CMS counts 65 Medicare patients who saw Crystal Chastain in 2024, with an average age of 75.
How long has Crystal Lynn Chastain been practicing?
Crystal Chastain graduated from medical school in 2015, 11 years ago.
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