Mr Darren William Guillaume, PA-C, CS - Medicare Physician Assistant in Oakland, CA

Mr Darren William Guillaume, PA-C, CS is a medicare enrolled "Physician Assistant - Surgical" in Oakland, California. He graduated from nursing school in 1995 and has 29 years of diverse experience with area of expertise as Physician Assistant. He is a member of the group practice Rakesh Donthineni Md Incorporated and his current practice location is 5700 Telegraph Ave Ste 100, Oakland, California. You can reach out to his office (for appointments etc.) via phone at (510) 594-9411.

Mr Darren William Guillaume is licensed to practice in California (license number 14010) 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 1114088671.

Contact Information

Mr Darren William Guillaume, PA-C, CS
5700 Telegraph Ave Ste 100,
Oakland, CA 94609-1710
(510) 594-9411
(510) 594-2275

Map and Direction




Provider's Profile

Full NameMr Darren William Guillaume
GenderMale
SpecialityPhysician Assistant
Experience29 Years
Location5700 Telegraph Ave Ste 100, Oakland, California
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:
  • Mr Darren William Guillaume graduated from nursing school in 1995
  NPI Data:
  • NPI Number: 1114088671
  • Provider Enumeration Date: 12/12/2006
  • Last Update Date: 01/28/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 2365525961
  • Enrollment ID: I20080205000530

Medical Identifiers

Medical identifiers for Mr Darren William Guillaume such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1114088671NPI-NPPES
0PA140100OtherCACMS
ZZZ04812ZOtherCMS

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363AS0400XPhysician Assistant - Surgical 14010 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Rakesh Donthineni Md Incorporated64069112472

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. Mr Darren William Guillaume 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
Mr Darren William Guillaume, PA-C, CS
22558 Canyon Ridge Pl,
Castro Valley, CA 94552-5414

Ph: (510) 461-0756
Mr Darren William Guillaume, PA-C, CS
5700 Telegraph Ave Ste 100,
Oakland, CA 94609-1710

Ph: (510) 594-9411

Reviews and Comments


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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.

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