Dr Sandra Leticia Reis Crosara, MD in Mason City, IA

Dr Sandra Leticia Reis Crosara, MD is a medicare enrolled "Internal Medicine - Infectious Disease" physician in Mason City, Iowa. She graduated from medical school in 1999 and has 26 years of diverse experience with area of expertise as Infectious Disease. She is a member of the group practice North Iowa Mercy Clinics and her current practice location is 1000 4th St Sw, Mason City, Iowa. You can reach out to her office (for appointments etc.) via phone at (641) 428-6999.

Dr Sandra Leticia Reis Crosara is licensed to practice in Iowa (license number MD42153) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1922319656.

Contact Information

	Dr Sandra Leticia Reis Crosara, MD
	1000 4th St Sw, Mason City, IA 50401
	(641) 428-6999
	(641) 428-6678

Map and Direction

Physician's Profile

Full Name	Dr Sandra Leticia Reis Crosara
Gender	Female
Speciality	Infectious Disease
Experience	26 Years
Location	1000 4th St Sw, Mason City, Iowa
Accepts Medicare Assignments	Yes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.

Medical Education and Training:

Dr Sandra Leticia Reis Crosara graduated from medical school in 1999

NPI Data:

NPI Number: 1922319656
Provider Enumeration Date: 06/28/2010
Last Update Date: 07/08/2025

Medicare PECOS Information:

PECOS PAC ID: 8921221979
Enrollment ID: I20150623001634

Medical Identifiers

Medical identifiers for Dr Sandra Leticia Reis Crosara such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1922319656	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207R00000X	Internal Medicine	R9307 (Iowa)	Secondary
207RI0200X	Internal Medicine - Infectious Disease	MD42153 (Iowa)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Mercyone North Iowa Medical Center	Mason city, IA	Hospital
Mitchell County Regional Health	Osage, IA	Hospital
Kossuth Regional Health Center	Algona, IA	Hospital
Hancock County Health System	Britt, IA	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
North Iowa Mercy Clinics	7810809076	273

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Sandra Leticia Reis Crosara allows following entities to bill medicare on her behalf.

Entity Name	North Iowa Mercy Clinics
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1780278242 PECOS PAC ID: 7810809076 Enrollment ID: O20031105000273

Entity Name	Mason City Clinic Pc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1043254055 PECOS PAC ID: 2860385572 Enrollment ID: O20040205001159

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Sandra Leticia Reis Crosara is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing Address	Practice Location Address
Dr Sandra Leticia Reis Crosara, MD 621 S Illinois Ave Ste 103, Mason City, IA 50401-5489 Ph: (641) 428-3041	Dr Sandra Leticia Reis Crosara, MD 1000 4th St Sw, Mason City, IA 50401 Ph: (641) 428-6999

Reviews and Comments

Internal Medicine Doctors in Mason City, IA

Burt Humburg, MD Infectious Disease Medicare: Accepting Medicare Assignments Practice Location: 1000 4th St Sw, Mason City, IA 50401 Phone: 641-428-7000 Fax: 641-428-6383
Sumathy Nagraj Iyengar, M.D., Infectious Disease Medicare: Accepting Medicare Assignments Practice Location: 1000 4th St Sw, Mercy Medical Center-hospitalist Dept, Mason City, IA 50401 Phone: 641-428-7000
Mark C Johnson, MD Infectious Disease Medicare: Accepting Medicare Assignments Practice Location: 910 N Eisenhower Ave, Mason City, IA 50401 Phone: 641-428-7799 Fax: 641-428-5274
Mohamed Abd El Maksoud, Infectious Disease Medicare: Accepting Medicare Assignments Practice Location: 1010 4th St Sw, Suite 305, Mason City, IA 50401 Phone: 641-428-5700 Fax: 641-428-2515
Dr. Byron T Beasley, MD Infectious Disease Medicare: Accepting Medicare Assignments Practice Location: 250 S Crescent Dr, Mason City, IA 50401 Phone: 641-494-5300 Fax: 641-494-5329
Radu Hagau, MD Infectious Disease Medicare: Accepting Medicare Assignments Practice Location: 250 S Crescent Dr, Mason City, IA 50401 Phone: 641-494-5200 Fax: 641-494-5403
Fnu Dayawa Da Agoons, MD Infectious Disease Medicare: Accepting Medicare Assignments Practice Location: 1000 4th St Sw, Mason City, IA 50401 Phone: 641-428-6615

Dr Sandra Leticia Reis Crosara, MD - Medicare Infectious Disease in Mason City, IA