Cassandra Ohlsen, MD - Medicare Internal Medicine in Pacific Grove, CA

Cassandra Ohlsen, MD is a medicare enrolled "Internal Medicine" physician in Pacific Grove, California. She went to University Of Southern California Keck School Of Medicine and graduated in 1984 and has 40 years of diverse experience with area of expertise as Internal Medicine. Her current practice location is 154 14th St, Pacific Grove, California. You can reach out to her office (for appointments etc.) via phone at (831) 647-1410.

Cassandra Ohlsen is licensed to practice in California (license number G56448) 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 1356457170.

Contact Information

Cassandra Ohlsen, MD
154 14th St,
Pacific Grove, CA 93950-2725
(831) 647-1410
(831) 647-1410

Map and Direction




Physician's Profile

Full NameCassandra Ohlsen
GenderFemale
SpecialityInternal Medicine
Experience40 Years
Location154 14th St, Pacific Grove, 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:
  • Cassandra Ohlsen attended and graduated from University Of Southern California Keck School Of Medicine in 1984
  NPI Data:
  • NPI Number: 1356457170
  • Provider Enumeration Date: 08/22/2006
  • Last Update Date: 06/26/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 1254223936
  • Enrollment ID: I20040326001227

Medical Identifiers

Medical identifiers for Cassandra Ohlsen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1356457170NPI-NPPES
00G564480OtherCABLUE CROSS BLUE SHIELD
G564480OtherCASTATE OF CA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine G56448 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Community Hospital Of The Monterey PeninsulaMonterey, CAHospital

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. Cassandra Ohlsen allows following entities to bill medicare on her behalf.
Entity NameCassandra Ohlsen, M.d., Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1164805263
PECOS PAC ID: 5395045637
Enrollment ID: O20151118001834

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. Cassandra Ohlsen 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
Cassandra Ohlsen, MD
Po Box 51520,
Pacific Grove, CA 93950-6520

Ph: (831) 647-1410
Cassandra Ohlsen, MD
154 14th St,
Pacific Grove, CA 93950-2725

Ph: (831) 647-1410

Reviews and Comments


Internal Medicine Doctors in Pacific Grove, CA

Dr. James Gary Grant, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 830 Bayview Ave, Pacific Grove, CA 93950
Phone: 831-373-2322    Fax: 831-373-5210
Dr. David Craig Wright, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 510 Lighthouse Ave Ste 6, Pacific Grove, CA 93950
Phone: 831-717-4444    Fax: 831-717-4446

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.