Jimmy R. Mascaro, D.O.
Psychiatry Physician · Ottumwa, IA
Jimmy R. Mascaro, D.O. is a psychiatry physician with a practice address in Ottumwa, Iowa, and NPI 1104998251, issued on Nov 14, 2006. Check the license (Iowa 3768, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Jimmy R. Mascaro
- Credential
- D.O.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 3768 IA
Self-reported in NPPES; status is on the state search - Practice location
- 312 E Alta Vista Ave, Ottumwa, IA 52501
- Phone
- (641) 683-4454
- Enumerated
- Nov 14, 2006
- Record last updated
- Oct 16, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (641) 683-4450
- Medicaid ID
- 0739672 IA
- Medicare enrollment
- Enrolled (PECOS I20061228000077); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 398 in Iowa → Look up another NPI →
Also registered at 312 E Alta Vista Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Matilda Alvarado, LMHCMental Health Counselor1902980964
- Lyvier Aschenbrenner, MS LMHC ACADCMental Health Counselor1710972732
- Laura Bright, LISWSocial Worker1851384481
- Brenda Brown, LMHCMental Health Counselor1780677385
- Patrick Franje, LISWSocial Worker1902899511
- Kathleen Hawk, LMSWSocial Worker1427041011
Verify Jimmy R. Mascaro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 3768Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.7 times the Medicare Part D claims of the average psychiatry physician in 2024
5,655 Medicare Part D claims for 214 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Quetiapine Fumarate545 claims
- Vraylar427 claims
- Trazodone Hcl423 claims
- Paroxetine Hcl299 claims
- Duloxetine Hcl219 claims
- Buspirone Hcl208 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: $36,554.14
74 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,693 providers of this specialty with any payment received $4,954.93 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
- Southern Iowa Mental Health CenterOttumwa, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jimmy R. Mascaro among 398 psychiatry physician records in Iowa
Jimmy R. Mascaro, D.O. is one of 398 psychiatry physician records with a practice address in Iowa. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 60% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 47% of these records are
- Graduated2001 · median 2010 among the 188 with a school on file
- Record last updated2007 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 psychiatry physician records list a practice address in Ottumwa
They are 6 of the 405 NPPES records with a practice address in Ottumwa, and 398 psychiatry physician records in Iowa.
All 398 in Iowa → Every provider in Ottumwa → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Ronald Berges, DOOttumwa, IA 525011598860405
- Joseph Hime, M.D.Ottumwa, IA 525011528324811
- M Jumaa, M.D.Ottumwa, IA 525011710915392
- Cyndi McCormick, D.O.Ottumwa, IA 525011356754337
- Taniya Pradhan, M.D.Ottumwa, IA 525011275709859
- James Brooks, MDFairfield, IA 525561346210184
- Russell England, M.D.Fairfield, IA 525561932212917
- Patricia Kinne, M.D.Oskaloosa, IA 525771053539205
Common questions
What is Jimmy R. Mascaro, D.O.'s NPI number?
Jimmy R. Mascaro, D.O.'s National Provider Identifier (NPI) is 1104998251, issued on Nov 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jimmy R. Mascaro, D.O. located?
The NPPES record lists a practice address at 312 E Alta Vista Ave, Ottumwa, IA, 52501. Phone: (641) 683-4454. Providers update this record themselves, so call before visiting.
How can I verify Jimmy R. Mascaro, D.O.'s license?
NPPES lists Iowa license number 3768, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jimmy R. Mascaro, D.O. prescribe under Medicare Part D?
In 2024, Jimmy R. Mascaro, D.O. had 5,655 Medicare Part D claims for 214 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.