Rena Castlin, NP
NPI 1619216892 · Family Nurse Practitioner · Marietta, GA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rena Castlin, NP is a Family Nurse Practitioner provider in Marietta, GA (NPI 1619216892).
Provider details
- NPI number
- 1619216892
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 5010852 (NC)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
81 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 81 | $63 |
Typical Medicare-allowed amounts for these services range $63–$63 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 51 | 45 |
| Sertraline Hcl | 48 | 38 |
| Fluoxetine Hcl | 46 | 25 |
| Lamotrigine | 33 | 12 |
| Trazodone Hcl | 28 | 21 |
| Olanzapinebrand: Olanzapine Odt | 27 | 14 |
| Quetiapine Fumarate | 24 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$37 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 311 Judges Rd Ste 4eWilmington, NC 28405-3655Phone: (910) 791-6767
Registry dates
- Enumerated
- 2013-02-07
- Last updated
- 2018-09-20
Frequently asked questions
- What is Rena Castlin's NPI number?
- Rena Castlin's National Provider Identifier (NPI) is 1619216892, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rena Castlin's specialty?
- Rena Castlin is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Rena Castlin located?
- Rena Castlin's practice location on file with NPPES is 400 Tower Rd Ne, Marietta, GA 30060-9411.
- What is Rena Castlin's phone number?
- The practice phone number listed in the NPPES registry for Rena Castlin is (770) 590-1078.
- Does Rena Castlin accept Medicare?
- Rena Castlin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rena Castlin's NPI active?
- Yes — Rena Castlin's NPI (1619216892) is active in the NPPES registry as of the last update on 2018-09-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.