Kelly O'Brian Clark, R.N., M.S.N., F.N.P.
Adult Health Nurse Practitioner · Knox, IN
Kelly O'Brian Clark, R.N., M.S.N., F.N.P. is an adult health nurse practitioner with a practice address in Knox, Indiana, and NPI 1811086903, issued on Oct 12, 2006. Check the license (Indiana 71000435A, as entered in NPPES) with the Indiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kelly O'Brian Clark
- Credential
- R.N., M.S.N., F.N.P.
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License number
- 71000435A IN
Self-reported in NPPES; status is on the state search - Practice location
- 1002 S Edgewood Dr, Knox, IN 46534
- Phone
- (574) 772-6030
- Enumerated
- Oct 12, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (574) 772-7494
- Medicare enrollment
- Enrolled (PECOS I20101123000995); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 1002 S Edgewood Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Walter Fritz, M.D.Family Medicine Physician1851330112
- Lesley Metts, MSN, FNPFamily Nurse Practitioner1205509726
Verify Kelly O'Brian Clark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Indiana board licenses this profession
Search for license 71000435ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.1 times the Medicare Part D claims of the average adult health nurse practitioner in 2024
7,764 Medicare Part D claims for 215 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Buspirone Hcl429 claims
- Trazodone Hcl428 claims
- Quetiapine Fumarate426 claims
- Benztropine Mesylate378 claims
- Mirtazapine355 claims
- Sertraline Hcl296 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: $853.85
37 payments; by number, the most common kind was food and beverage; the largest payer was Teva Pharmaceuticals USA, Inc. The 12,291 providers of this specialty with any payment received $946.40 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
- Laporte County Comprehensive Mental Health CouncilMichigan City, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
1 adult health nurse practitioner records list a practice address in Knox
They are 1 of the 50 NPPES records with a practice address in Knox, and 561 adult health nurse practitioner records in Indiana.
Other adult health nurse practitioner records in Indiana
- Jessica Abbott, APRNNew Albany, IN1215282793
- Jane Abbott-Rider, MSN, APNLogansport, IN1508800608
- Lillian Abdur-Rahman, NPIndianapolis, IN1316053283
- Cynthia Adams, RN, MSN, APRN-BCIndianapolis, IN1760504427
- Jody Adams, NPCrown Point, IN1275500522
- Katie Aldridge, NPWest Lafayette, IN1750822367
- Megan Alexander, NPCrawfordsville, IN1982969267
- McKenna AlfreyAnderson, IN1457212425
- Andrea Ali, ANP-CIndianapolis, IN1114321411
- Brittany Altimus, AGPCNP-BCKendallville, IN1750704524
Common questions
What is Kelly O'Brian Clark, R.N., M.S.N., F.N.P.'s NPI number?
Kelly O'Brian Clark, R.N., M.S.N., F.N.P.'s National Provider Identifier (NPI) is 1811086903, issued on Oct 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kelly O'Brian Clark, R.N., M.S.N., F.N.P. located?
The NPPES record lists a practice address at 1002 S Edgewood Dr, Knox, IN, 46534. Phone: (574) 772-6030. Providers update this record themselves, so call before visiting.
How can I verify Kelly O'Brian Clark, R.N., M.S.N., F.N.P.'s license?
NPPES lists Indiana license number 71000435A, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity only.
How much does Kelly O'Brian Clark, R.N., M.S.N., F.N.P. prescribe under Medicare Part D?
In 2024, Kelly O'Brian Clark, R.N., M.S.N., F.N.P. had 7,764 Medicare Part D claims for 215 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. 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.