Mark M Cohen, MD - Medicare Ophthalmology in Castro Valley, CA

Mark M Cohen, MD is a medicare enrolled "Ophthalmology" physician in Castro Valley, California. His current practice location is 20046 Lake Chabot Rd, Castro Valley, California. You can reach out to his office (for appointments etc.) via phone at (510) 881-8823.

Mark M Cohen is licensed to practice in California (license number C027491) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1194845271.

Contact Information

Mark M Cohen, MD
20046 Lake Chabot Rd,
Castro Valley, CA 94546-5304
(510) 881-8823
Not Available

Map and Direction




Physician's Profile

Full NameMark M Cohen
GenderMale
SpecialityOphthalmology
Location20046 Lake Chabot Rd, Castro Valley, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1194845271
  • Provider Enumeration Date: 03/30/2007
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 0840590741
  • Enrollment ID: I20151125001185

Medical Identifiers

Medical identifiers for Mark M Cohen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1194845271NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology C027491 (California)Primary

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. Mark M Cohen 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
Mark M Cohen, MD
21 Kippy Ct,
Moraga, CA 94556-2714

Ph: (925) 376-3963
Mark M Cohen, MD
20046 Lake Chabot Rd,
Castro Valley, CA 94546-5304

Ph: (510) 881-8823

Reviews and Comments


Ophthalmology Doctors in Castro Valley, CA

Robert Edelman, M.D.
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 20046 Lake Chabot Rd, Castro Valley, CA 94546
Phone: 510-881-8823    
Dr. Barry Martin Kerman, M.D
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 21675 Redwood Rd, Castro Valley, CA 94546
Phone: 510-538-5252    Fax: 510-538-3884
Dr. Neha N Shah, M.D.
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 20046 Lake Chabot Rd, Castro Valley, CA 94546
Phone: 510-881-8823    Fax: 510-881-2134
Dr. Leonard P Goldschmidt, M.D.
Ophthalmology
Medicare: Medicare Enrolled
Practice Location: 21675 Redwood Rd, Castro Valley, CA 94546
Phone: 510-538-5252    Fax: 510-538-3884
Mark Lurie, M.D.
Ophthalmology
Medicare: Not Enrolled in Medicare
Practice Location: 20046 Lake Chabot Rd, Castro Valley, CA 94546
Phone: 510-881-8823    Fax: 510-881-2134

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.