Crystal Lynn Chastain, CNP
Gerontology Nurse Practitioner · Lawrenceville, GA
Crystal Lynn Chastain, CNP is a gerontology nurse practitioner with a practice address in Lawrenceville, Georgia, and NPI 1245612654, issued on Jun 22, 2015. Check the license (Georgia RN198451, as entered in NPPES) with the Georgia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Crystal Lynn Chastain
- Credential
- CNP
- Primary taxonomy
- Gerontology Nurse Practitioner 363LG0600X
- License number
- RN198451 GA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Medical Center Blvd, Lawrenceville, GA 30046
- Phone
- (678) 312-2418
- Enumerated
- Jun 22, 2015
- Record last updated
- Jan 31, 2025
- Fax
- (678) 312-2434
- Medicare enrollment
- Enrolled (PECOS I20151221000625); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gerontology nurse practitioner records → All 292 in Georgia → Look up another NPI →
Also registered at 1000 Medical Center Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Crystal Lynn Chastain in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Georgia board licenses this profession
Search for license RN198451Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average gerontology nurse practitioner in 2024
148 Medicare Part D claims for 45 beneficiaries, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Clopidogrel34 claims
- Atorvastatin Calcium25 claims
- Nitroglycerin17 claims
- Brilinta13 claims
- Metoprolol Succinate11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 78.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $29.23
2 payments; by number, the most common kind was food and beverage; the largest payer was Kestra Medical Technology Services, Inc. The 3,903 providers of this specialty with any payment received $742.05 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
- Gwinnett Physician Group, LLCLawrenceville, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Crystal Lynn Chastain among 292 gerontology nurse practitioner records in Georgia
Crystal Lynn Chastain, CNP is one of 292 gerontology nurse practitioner records with a practice address in Georgia. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 18% of them.
- NPI issued2015 · 18% of these records are older, 76% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2015 · median 2019 among the 193 with a school on file
- Record last updated2025 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LG0600X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gerontology Nurse Practitioner providers in Georgia
There are 292 gerontology nurse practitioner records in Georgia.
All 292 in Georgia → Every provider in Lawrenceville → Gerontology Nurse Practitioner nationwide →
The 8 gerontology nurse practitioner records with the nearest ZIP codes
- Natalie Brooks, NURSE PRACTITIONERLawrenceville, GA 300461447921812
- Esther Day, AGPCNP-BCLawrenceville, GA 300461013593581
- Prudence Evans, NPLawrenceville, GA 300461154092237
- Madeleine Kennedy, NPLawrenceville, GA 300461932612538
- Gina Kim, NP-CLawrenceville, GA 300461629415880
- Rosemarie Morgan Henry, RN, NPLawrenceville, GA 300461902538077
- Khusbu Patel, NPLawrenceville, GA 300461962107953
- Teena Thomas, CRNPLawrenceville, GA 300461700329117
Common questions
What is Crystal Lynn Chastain, CNP's NPI number?
Crystal Lynn Chastain, CNP's National Provider Identifier (NPI) is 1245612654, issued on Jun 22, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Crystal Lynn Chastain, CNP located?
The NPPES record lists a practice address at 1000 Medical Center Blvd, Lawrenceville, GA, 30046. Phone: (678) 312-2418. Providers update this record themselves, so call before visiting.
How can I verify Crystal Lynn Chastain, CNP's license?
NPPES lists Georgia license number RN198451, as entered by the provider. Search the Georgia board that licenses this profession; the NPPES record confirms identity only.
How much does Crystal Lynn Chastain, CNP prescribe under Medicare Part D?
In 2024, Crystal Lynn Chastain, CNP had 148 Medicare Part D claims for 45 beneficiaries; the average among gerontology nurse practitioner prescribers was 1,369. Part D covers Medicare prescriptions only.
What is Crystal Lynn Chastain, CNP's MIPS final score?
The 2023 MIPS final score is 78.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.