Carol B. Johnston, APN
Family Nurse Practitioner · Thornton, CO
Carol B. Johnston, APN is a family nurse practitioner with a practice address in Thornton, Colorado, and NPI 1679810337, issued on Jan 14, 2013. Check the license (Colorado 0990500, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Carol B. Johnston
- Credential
- APN
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 0990500 CO
Self-reported in NPPES; status is on the state search - Practice location
- 9195 Grant St Ste 225, Thornton, CO 80229
- Phone
- (720) 536-2460
- Enumerated
- Jan 14, 2013
- Record last updated
- Aug 27, 2025
- Fax
- (720) 536-2466
- Medicaid ID
- 46324879 CO
- Medicare enrollment
- Enrolled (PECOS I20130503000221); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 9195 Grant St Ste 225
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Baron, AGACNP-BCNurse Practitioner1366132441
- Karen Lochhead, MDNephrology Physician1275524761
- Britt Newsome, MDNephrology Physician1306873476
- Michael Shomaker, MDNephrology Physician1932276581
- Rafael Torosyan, MDNephrology Physician1578901625
Verify Carol B. Johnston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license 0990500Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average family nurse practitioner in 2024
454 Medicare Part D claims for 74 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Furosemide41 claims
- Sevelamer Carbonate35 claims
- Amlodipine Besylate27 claims
- Midodrine Hcl25 claims
- Lidocaine-Prilocaine22 claims
- Hydralazine Hcl20 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: $24.75
1 payment: food and beverage; the largest payer was Ardelyx, 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
- Denver Nephrologists PCThornton, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
51 family nurse practitioner records list a practice address in Thornton
They are 51 of the 2,234 NPPES records with a practice address in Thornton, and 3,492 family nurse practitioner records in Colorado.
All 51 in Thornton → All 3,492 in Colorado → Every provider in Thornton →
Other family nurse practitioner records in Colorado
- Abbey Aaroe, FNPCanon City, CO1922685189
- Simone Abachiche, NP-CColorado Springs, CO1801566518
- Christina AbbottLongmont, CO1962039172
- Patricia Abbott, ARNPAurora, CO1962452227
- Isadora Abel, FNPDenver, CO1275250391
- Sally Abell, DNPColorado Springs, CO1699356733
- Sarah AbercrombieGrand Junction, CO1093490567
- Jenny Abernathy, FNPErie, CO1407059355
- Gabriela Abeyta, APRN-CNP, FNP-CColorado Springs, CO1891506515
- Taylor Abner, APRN, FNPGolden, CO1407582240
Common questions
What is Carol B. Johnston, APN's NPI number?
Carol B. Johnston, APN's National Provider Identifier (NPI) is 1679810337, issued on Jan 14, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Carol B. Johnston, APN located?
The NPPES record lists a practice address at 9195 Grant St Ste 225, Thornton, CO, 80229. Phone: (720) 536-2460. Providers update this record themselves, so call before visiting.
How can I verify Carol B. Johnston, APN's license?
NPPES lists Colorado license number 0990500, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does Carol B. Johnston, APN prescribe under Medicare Part D?
In 2024, Carol B. Johnston, APN had 454 Medicare Part D claims for 74 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.