Maryann Diaz Pagulayan-sy, MD - Medicare Internal Medicine in Porterville, CA

Maryann Diaz Pagulayan-sy, MD is a medicare enrolled "Internal Medicine" physician in Porterville, California. She graduated from medical school in 1990 and has 34 years of diverse experience with area of expertise as Internal Medicine. Her current practice location is 198 W Cherry Ave, Unit A, Porterville, California. You can reach out to her office (for appointments etc.) via phone at (559) 781-7980.

Maryann Diaz Pagulayan-sy is licensed to practice in California (license number A56170) 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 1700961364.

Contact Information

Maryann Diaz Pagulayan-sy, MD
198 W Cherry Ave, Unit A,
Porterville, CA 93257-3506
(559) 781-7980
(559) 788-0544

Map and Direction




Physician's Profile

Full NameMaryann Diaz Pagulayan-sy
GenderFemale
SpecialityInternal Medicine
Experience34 Years
Location198 W Cherry Ave, Porterville, 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:
  • Maryann Diaz Pagulayan-sy graduated from medical school in 1990
  NPI Data:
  • NPI Number: 1700961364
  • Provider Enumeration Date: 10/25/2006
  • Last Update Date: 11/14/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 1052336492
  • Enrollment ID: I20051013001023

Medical Identifiers

Medical identifiers for Maryann Diaz Pagulayan-sy such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1700961364NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A56170 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Sierra View Medical CenterPorterville, CAHospital
Kaweah Delta Medical CenterVisalia, CAHospital

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. Maryann Diaz Pagulayan-sy 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
Maryann Diaz Pagulayan-sy, MD
198 W Cherry Ave, Unit A,
Porterville, CA 93257-3506

Ph: (559) 781-7980
Maryann Diaz Pagulayan-sy, MD
198 W Cherry Ave, Unit A,
Porterville, CA 93257-3506

Ph: (559) 781-7980

Reviews and Comments


Internal Medicine Doctors in Porterville, CA

Ashot Minasyan, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 465 W Putnam Ave, Porterville, CA 93257
Phone: 559-784-1110    
Sartaj K Dhillon, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 229 W Cherry Ave, Porterville, CA 93257
Phone: 559-784-5717    Fax: 559-784-2443
Dr. Anil Reddy Anumandla, M.D
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 263 Pearson Dr Ste 200, Porterville, CA 93257
Phone: 559-793-4123    Fax: 888-494-2187
Alla Liberstein, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 560 W Putnam Ave, Ste 7, Porterville, CA 93257
Phone: 559-854-7001    Fax: 559-854-7002
Ravindranath Arani Reddy, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 591 W Putnam Ave, Porterville, CA 93257
Phone: 559-784-4727    Fax: 559-784-2443
Kalpathy V Venkatesan, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 365 Pearson Dr, Suite #5, Porterville, CA 93257
Phone: 559-788-2175    Fax: 559-788-2227
Dr. Brett Kirk Mullin, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 465 W Putnam Ave, Porterville, CA 93257
Phone: 559-791-3880    

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.