Rena Loraine Castlin, NP
Family Nurse Practitioner · Marietta, GA
Rena Loraine Castlin, NP is a family nurse practitioner with a practice address in Marietta, Georgia, and NPI 1619216892, issued on Feb 7, 2013. Check the license (Georgia RN153122, as entered in NPPES) with the Georgia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Rena Loraine Castlin
- Credential
- NP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- RN153122 GA
5010852 NC
Self-reported in NPPES; status is on the state search - Practice location
- 400 Tower RD NE, Marietta, GA 30060
- Phone
- (770) 590-1078
- Enumerated
- Feb 7, 2013
- Record last updated
- Sep 20, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (770) 422-7306
- Medicare enrollment
- Enrolled (PECOS I20130514000690); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 8,635 in Georgia → Look up another NPI →
Also registered at 400 Tower RD NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Elisabeth FordPhysician Assistant1427469162
- David Gale, MDInterventional Pain Medicine Physician1861505570
- Alexander Gluzman, MDCritical Care Medicine (Internal Medicine) Physician1194900704
Verify Rena Loraine Castlin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Georgia board licenses this profession
Search for license RN153122Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average family nurse practitioner in 2024
834 Medicare Part D claims for 182 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Gabapentin51 claims
- Sertraline Hcl48 claims
- Fluoxetine Hcl46 claims
- Lamotrigine33 claims
- Trazodone Hcl28 claims
- Olanzapine Odt27 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: $37.29
2 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka America Pharmaceutical, Inc. 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
- Mcintosh Trail Community Service BoardGriffin, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rena Loraine Castlin among 8,635 family nurse practitioner records in Georgia
Rena Loraine Castlin, NP is one of 8,635 family nurse practitioner records with a practice address in Georgia. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 21% of them.
- NPI issued2013 · 21% of these records are older, 76% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2012 · median 2018 among the 4,544 with a school on file
- Record last updated2018 · 41% 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 Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
244 family nurse practitioner records list a practice address in Marietta
They are 244 of the 6,900 NPPES records with a practice address in Marietta, and 8,635 family nurse practitioner records in Georgia.
All 8,635 in Georgia → Every provider in Marietta → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Mavis Appiah Kubi, APRNMarietta, GA 300601063684363
- Patricia Brower, FNPMarietta, GA 300601053300426
- Sheryl Cook, NP-CMarietta, GA 300601316269582
- Erin Esfahani, NPMarietta, GA 300601588994495
- Kathleen Flaherty, ARNPMarietta, GA 300601265755565
- Heather French, NPMarietta, GA 300601356669006
- Mary Lacy, NPMarietta, GA 300601093701781
- Heidi Meyer, MSN,CFNP,CNRN,APRNMarietta, GA 300601083801989
Common questions
What is Rena Loraine Castlin, NP's NPI number?
Rena Loraine Castlin, NP's National Provider Identifier (NPI) is 1619216892, issued on Feb 7, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Rena Loraine Castlin, NP located?
The NPPES record lists a practice address at 400 Tower RD NE, Marietta, GA, 30060. Phone: (770) 590-1078. Providers update this record themselves, so call before visiting.
How can I verify Rena Loraine Castlin, NP's license?
NPPES lists Georgia license number RN153122, as entered by the provider. Search the Georgia board that licenses this profession; the NPPES record confirms identity only.
How much does Rena Loraine Castlin, NP prescribe under Medicare Part D?
In 2024, Rena Loraine Castlin, NP had 834 Medicare Part D claims for 182 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.