Priyanka Tiwari, MD - Medicare Gastroenterology in Lake St Louis, MO

Priyanka Tiwari, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Lake St Louis, Missouri. She graduated from medical school in 2002 and has 22 years of diverse experience with area of expertise as Gastroenterology. She is a member of the group practice Mercy Clinic Gastroenterology Llc and her current practice location is 200 Brevco Plz Ste 208, Lake St Louis, Missouri. You can reach out to her office (for appointments etc.) via phone at (636) 561-9020.

Priyanka Tiwari is licensed to practice in Missouri (license number 2019033235) 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 1295837441.

Contact Information

Priyanka Tiwari, MD
200 Brevco Plz Ste 208,
Lake St Louis, MO 63367-2950
(636) 561-9020
Not Available



Physician's Profile

Full NamePriyanka Tiwari
GenderFemale
SpecialityGastroenterology
Experience22 Years
Location200 Brevco Plz Ste 208, Lake St Louis, Missouri
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Priyanka Tiwari graduated from medical school in 2002
  NPI Data:
  • NPI Number: 1295837441
  • Provider Enumeration Date: 09/01/2006
  • Last Update Date: 07/19/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 2769633668
  • Enrollment ID: I20200124000072

Medical Identifiers

Medical identifiers for Priyanka Tiwari such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1295837441NPI-NPPES
17330MedicaidND

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 2019033235 (Missouri)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Mercy Hospital St LouisSaint louis, MOHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mercy Clinic Gastroenterology Llc862812179551

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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. Priyanka Tiwari allows following entities to bill medicare on her behalf.
Entity NameFairview Heights Medical Group Sc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1679503668
PECOS PAC ID: 6800784083
Enrollment ID: O20060302000596

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Entity NameMercy Clinic Gastroenterology Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1528295334
PECOS PAC ID: 8628121795
Enrollment ID: O20090806000762

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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. Priyanka Tiwari 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
Priyanka Tiwari, MD
200 Brevco Plz Ste 208,
Lake St Louis, MO 63367-2950

Ph: (636) 561-9020
Priyanka Tiwari, MD
200 Brevco Plz Ste 208,
Lake St Louis, MO 63367-2950

Ph: (636) 561-9020

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Internal Medicine Doctors in Lake St Louis, MO

John David Wilkes, MD
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 400 Medical Plz, Suite 100, Lake St Louis, MO 63367
Phone: 636-639-8600    Fax: 636-639-8676
Michael J Zerega, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 200 Brevco Plz, Suite 208, Lake St Louis, MO 63367
Phone: 636-561-9020    Fax: 636-561-6208
Dr. Piotr T Dyk, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 2 Harbor Bend Ct Ste 227, Lake St Louis, MO 63367
Phone: 636-443-2440    Fax: 636-443-2486
Melissa Amy Grizzle, FNP-BC
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 107 Brevco Plz, Lake St Louis, MO 63367
Phone: 636-561-8100    Fax: 636-561-3396
Dr. Paul Barto Vatterott, M.D.
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 107 Brevco Plz, Lake St Louis, MO 63367
Phone: 636-561-8100    Fax: 636-561-3396
Umesh C. Inampudi, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 100 Medical Plz, Lake St Louis, MO 63367
Phone: 314-317-0600    Fax: 314-317-0606

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