Dr Patrick H Guadiz, MD - Medicare Internal Medicine in Southborough, MA

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Dr Patrick H Guadiz, MD is a medicare enrolled "Family Medicine" physician in Southborough, Massachusetts. He graduated from medical school in 2001 and has 24 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Charles River Medical Associates, Pc and his current practice location is 154 Turnpike Rd Ste 130, Southborough, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (508) 881-5590.

Dr Patrick H Guadiz is licensed to practice in Massachusetts (license number 222979) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1023091766.

Contact Information

Dr Patrick H Guadiz, MD
154 Turnpike Rd Ste 130,
Southborough, MA 01772-2120
(508) 881-5590
(508) 881-9031

Map and Direction




Physician's Profile

Full NameDr Patrick H Guadiz
GenderMale
SpecialityInternal Medicine
Experience24 Years
Location154 Turnpike Rd Ste 130, Southborough, Massachusetts
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Patrick H Guadiz graduated from medical school in 2001
  NPI Data:
  • NPI Number: 1023091766
  • Provider Enumeration Date: 11/28/2005
  • Last Update Date: 01/24/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 8628094489
  • Enrollment ID: I20130320000415

Medical Identifiers

Medical identifiers for Dr Patrick H Guadiz such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1023091766NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 222979 (Massachusetts)Primary
207Q00000XFamily Medicine ME92599 (Florida)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Vna Care NetworkWorcester, MAHome health agency
Milford Regional Medical CenterMilford, MAHospital
Metrowest Medical CenterFramingham, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Charles River Medical Associates, Pc3476630450110

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 Patrick H Guadiz allows following entities to bill medicare on his behalf.
Entity NameCharles River Medical Associates, Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1598215204
PECOS PAC ID: 3476630450
Enrollment ID: O20161122000110

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 Patrick H Guadiz 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 Patrick H Guadiz, MD
171 Main St Ste 203b,
Ashland, MA 01721-1187

Ph: (508) 881-3029		Dr Patrick H Guadiz, MD
154 Turnpike Rd Ste 130,
Southborough, MA 01772-2120

Ph: (508) 881-5590

Reviews and Comments


Family Medicine Doctors in Southborough, MA

Dr. Leslie C Caraceni, M.D.
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 155 Boston Rd, #12, Southborough, MA 01772
Phone: 774-279-7905    
Usha S Rallapalli, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 24 Newton St, Southborough, MA 01772
Phone: 508-460-3219    Fax: 508-486-4447
Dr. Tammy C. Harris, M.D.
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 24 Newton St, Southborough, MA 01772
Phone: 508-460-3250    Fax: 508-460-3223

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.