Dr Poornima Vanguri, MD - Medicare Colorectal Surgery (proctology) in Walnut Creek, CA

  1. Home
Dr Poornima Vanguri, MD is a medicare enrolled "Colon & Rectal Surgery" physician in Walnut Creek, California. She went to University Of Maryland School Of Medicine and graduated in 2009 and has 15 years of diverse experience with area of expertise as Colorectal Surgery (proctology). She is a member of the group practice Bass Medical Group and her current practice location is 365 Lennon Ln Ste 290, Walnut Creek, California. You can reach out to her office (for appointments etc.) via phone at (925) 274-9000.

Dr Poornima Vanguri is licensed to practice in California (license number A166381) 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 1144457375.

Contact Information

Dr Poornima Vanguri, MD
365 Lennon Ln Ste 290,
Walnut Creek, CA 94598-5915
(925) 274-9000
(925) 274-9004

Map and Direction




Physician's Profile

Full NameDr Poornima Vanguri
GenderFemale
SpecialityColorectal Surgery (proctology)
Experience15 Years
Location365 Lennon Ln Ste 290, Walnut Creek, California
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:
  • Dr Poornima Vanguri attended and graduated from University Of Maryland School Of Medicine in 2009
  NPI Data:
  • NPI Number: 1144457375
  • Provider Enumeration Date: 06/15/2009
  • Last Update Date: 05/18/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 3678713997
  • Enrollment ID: I20200306001372

Medical Identifiers

Medical identifiers for Dr Poornima Vanguri such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1144457375NPI-NPPES
A166381OtherCAMEDICAL LICENSE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208600000XSurgery ME 126670 (Florida)Secondary
208C00000XColon & Rectal Surgery ME126670 (Florida)Secondary
390200000XStudent In An Organized Health Care Education/training Program ME126670 (Florida)Secondary
390200000XStudent In An Organized Health Care Education/training Program 0116021363 (Virginia)Secondary
208C00000XColon & Rectal Surgery A166381 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
John Muir Medical Center - Concord CampusConcord, CAHospital
John Muir Medical Center - Walnut Creek CampusWalnut creek, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Bass Medical Group9032111281303

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 Poornima Vanguri allows following entities to bill medicare on her behalf.
Entity NameJohn Muir Trauma Physicians Billing Service
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1093864837
PECOS PAC ID: 3476542515
Enrollment ID: O20050420001452
Entity NameBass Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1174253405
PECOS PAC ID: 9032111281
Enrollment ID: O20070201000181

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 Poornima Vanguri 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
Dr Poornima Vanguri, MD
365 Lennon Ln Ste 290,
Walnut Creek, CA 94598-5915

Ph: (925) 274-9000		Dr Poornima Vanguri, MD
365 Lennon Ln Ste 290,
Walnut Creek, CA 94598-5915

Ph: (925) 274-9000

Reviews and Comments



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.