Ms Ana Perez, AA - Medicare Anesthesiologist Assistant in Saint Louis, MO

Ms Ana Perez, AA is a medicare enrolled "Anesthesiologist Assistant" in Saint Louis, Missouri. Her current practice location is 615 S New Ballas Rd Dept Of, Saint Louis, Missouri. You can reach out to her office (for appointments etc.) via phone at (314) 251-6000.

Ms Ana Perez is licensed to practice in Missouri (license number PENDING) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1821791781.

Contact Information

Ms Ana Perez, AA
615 S New Ballas Rd Dept Of,
Saint Louis, MO 63141-8221
(314) 251-6000
(636) 386-7679

Map and Direction




Provider's Profile

Full NameMs Ana Perez
GenderFemale
SpecialityAnesthesiologist Assistant
Location615 S New Ballas Rd Dept Of, Saint Louis, Missouri
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1821791781
  • Provider Enumeration Date: 03/22/2023
  • Last Update Date: 03/22/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 2668826074
  • Enrollment ID: I20231003002452

Medical Identifiers

Medical identifiers for Ms Ana Perez such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1821791781NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
367H00000XAnesthesiologist Assistant PENDING (Missouri)Primary

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. Ms Ana Perez allows following entities to bill medicare on her behalf.
Entity NameWestern Anesthesiology Associates Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1275646754
PECOS PAC ID: 6204720667
Enrollment ID: O20040226000438

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. Ms Ana Perez 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 AddressPractice Location Address
Ms Ana Perez, AA
339 Consort Dr,
Ballwin, MO 63011-4439

Ph: (636) 386-9224
Ms Ana Perez, AA
615 S New Ballas Rd Dept Of,
Saint Louis, MO 63141-8221

Ph: (314) 251-6000

Reviews and Comments


Anesthesiologist Assistant Nurses in Saint Louis, MO

Jeremy Stephen Colyer, AA
Anesthesiologist Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 10010 Kennerly Rd, Saint Louis, MO 63128
Phone: 636-386-7222    Fax: 636-200-4036
Mrs. Maria Jones, C-AA
Anesthesiologist Assistant
Medicare: Medicare Enrolled
Practice Location: 615 S New Ballas Rd Dept Of, Saint Louis, MO 63141
Phone: 636-386-9224    Fax: 636-200-4243
Alexander Sextro, CAA
Anesthesiologist Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 11133 Dunn Rd, Saint Louis, MO 63136
Phone: 314-653-5000    
Alexis Haas Stewart,
Anesthesiologist Assistant
Medicare: May Accept Medicare Assignments
Practice Location: 1465 S Grand Blvd, Saint Louis, MO 63104
Phone: 314-977-5700    
Mr. Brian J Ho, A.A.
Anesthesiologist Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 615 S New Ballas Rd, Dept. Of Anesthesiology, Saint Louis, MO 63141
Phone: 314-251-4687    Fax: 636-200-4243
Laheart Marie Rodney, CAA
Anesthesiologist Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 1465 S Grand Blvd, Saint Louis, MO 63104
Phone: 314-268-7267    
Mr. Nick Balarama Rodriguez, AA
Anesthesiologist Assistant
Medicare: Medicare Enrolled
Practice Location: 615 S New Ballas Rd Dept Of, Saint Louis, MO 63141
Phone: 636-386-9224    Fax: 636-386-7679

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.