Sandra Leticia Reis Crosara, MD
Infectious Disease Physician · Mason City, IA
Sandra Leticia Reis Crosara, MD is an infectious disease physician with a practice address in Mason City, Iowa, and NPI 1922319656, issued on Jun 28, 2010. Check the license (Iowa MD42153, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Sandra Leticia Reis Crosara
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License numbers
- MD42153 IA
R9307 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 4TH St SW, Mason City, IA 50401
- Phone
- (641) 428-6999
- Enumerated
- Jun 28, 2010
- Record last updated
- Jul 8, 2025
- Fax
- (641) 428-6678
- Medicare enrollment
- Enrolled (PECOS I20150623001634); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 75 in Iowa → Look up another NPI →
Also registered at 1000 4TH St SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sandra Leticia Reis Crosara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license MD42153Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% more Medicare Part D claims than the average infectious disease physician in 2024
939 Medicare Part D claims for 145 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.
Most prescribed
- Descovy94 claims
- Amoxicillin65 claims
- Doxycycline Monohydrate63 claims
- Tivicay55 claims
- Vancomycin Hcl47 claims
- Ceftriaxone43 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: $20.42
1 payment: food and beverage; the largest payer was Astellas Pharma US Inc. The 3,895 providers of this specialty with any payment received $4,362.19 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
- North Iowa Mercy ClinicsMason City, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sandra Leticia Reis Crosara among 75 infectious disease physician records in Iowa
Sandra Leticia Reis Crosara, MD is one of 75 infectious disease physician records with a practice address in Iowa. 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 2010, is newer than 61% of them.
- NPI issued2010 · 61% of these records are older, 32% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1999 · median 2003 among the 54 with a school on file
- Record last updated2025 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Iowa
There are 75 infectious disease physician records in Iowa.
All 75 in Iowa → Every provider in Mason City → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Aneesa Afroze, M.D.Des Moines, IA 503141457378242
- Rima El-Herte, M.D.Des Moines, IA 503141164787412
- James Halsey, MDDes Moines, IA 503141356839674
- Casey Rice, M.D.Des Moines, IA 503141417110404
- Francisco Rincon Boscan, MDDes Moines, IA 503141457873168
- Megan Srinivas, MD, MPHDes Moines, IA 503141710397179
- Ravi Vemuri, MDDes Moines, IA 503141154307536
- Ahmad Alsalman, M.D.Des Moines, IA 503091831645704
Common questions
What is Sandra Leticia Reis Crosara, MD's NPI number?
Sandra Leticia Reis Crosara, MD's National Provider Identifier (NPI) is 1922319656, issued on Jun 28, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Sandra Leticia Reis Crosara, MD located?
The NPPES record lists a practice address at 1000 4TH St SW, Mason City, IA, 50401. Phone: (641) 428-6999. Providers update this record themselves, so call before visiting.
How can I verify Sandra Leticia Reis Crosara, MD's license?
NPPES lists Iowa license number MD42153, 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 Sandra Leticia Reis Crosara, MD prescribe under Medicare Part D?
In 2024, Sandra Leticia Reis Crosara, MD had 939 Medicare Part D claims for 145 beneficiaries; the average among infectious disease physician prescribers was 689. 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.