Rosario Karl Guastella, MD
Emergency Medicine Physician · Monticello, AR
Rosario Karl Guastella, MD is an emergency medicine physician with a practice address in Monticello, Arkansas, and NPI 1538746441, issued on Mar 26, 2021. Check the license (Arkansas E-16197, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.
- Name
- Rosario Karl Guastella
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- E-16197 AR
Self-reported in NPPES; status is on the state search - Practice location
- 778 Scogin Dr, Monticello, AR 71655
- Phone
- (870) 367-2411
- Enumerated
- Mar 26, 2021
- Record last updated
- Oct 12, 2023
- Medicaid ID
- 298093001 AR
- Medicare enrollment
- Enrolled (PECOS I20230316000422); accepts Medicare assignment
- Medical or professional school
- University Of Mississippi School Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 447 in Arkansas → Look up another NPI →
Also registered at 778 Scogin Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Earl Ashley, MSPTPhysical Therapist1518180942
- Pamela Cook, OTRLOccupational Therapist1295958544
- Thomas Denton, PTAPhysical Therapy Assistant1588993273
- Jacob Dorman, PT, DPT, GCSPhysical Therapist1780339267
- Joseph Fakouri, M.DFamily Medicine Physician1225148315
- Michelle Grant, APRN-CNPPrimary Care Nurse Practitioner1679116024
Verify Rosario Karl Guastella in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArkansas State Medical Board
Search for license E-16197Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average emergency medicine physician in 2024
105 Medicare Part D claims for 75 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 15 claims were for opioids.
Most prescribed
- Ondansetron Odt17 claims
- Hydrocodone-Acetaminophen14 claims
- Cyclobenzaprine Hcl12 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: $49.27
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 12,335 providers of this specialty with any payment received $953.79 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 2 group practices
- Greenbrier Emergency Services, Inc.North Little Rock, AR
- White River Health System, Inc.Batesville, AR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rosario Karl Guastella among 447 emergency medicine physician records in Arkansas
Rosario Karl Guastella, MD is one of 447 emergency medicine physician records with a practice address in Arkansas. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 93% of them.
- NPI issued2021 · 93% of these records are older, 5% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2021 · median 2011 among the 301 with a school on file
- Record last updated2023 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Arkansas
There are 447 emergency medicine physician records in Arkansas.
All 447 in Arkansas → Every provider in Monticello → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- William Williams, DOMonticello, AR 716551154484723
- Dorcas Sandness, M.D.Mc Gehee, AR 716541033311980
- Madhulika Krish, MDWarren, AR 716711538168505
- Andrew Bryan, MDCrossett, AR 716351528201001
- Robert McDonald, MDCamden, AR 717011952862096
- Hillary Udeh, MDCamden, AR 717011912521253
- Bhavika Albee, MDPine Bluff, AR 716031316232648
- Michael Aziz, MDPine Bluff, AR 716031861029506
Common questions
What is Rosario Karl Guastella, MD's NPI number?
Rosario Karl Guastella, MD's National Provider Identifier (NPI) is 1538746441, issued on Mar 26, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Rosario Karl Guastella, MD located?
The NPPES record lists a practice address at 778 Scogin Dr, Monticello, AR, 71655. Phone: (870) 367-2411. Providers update this record themselves, so call before visiting.
How can I verify Rosario Karl Guastella, MD's license?
NPPES lists Arkansas license number E-16197, as entered by the provider. Search the Arkansas State Medical Board at https://armedicalboard.adh.arkansas.gov/public/verify/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Rosario Karl Guastella, MD prescribe under Medicare Part D?
In 2024, Rosario Karl Guastella, MD had 105 Medicare Part D claims for 75 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.