Ms Rachel S Krellenstein, - Medicare Counselor in San Mateo, CA

Ms Rachel S Krellenstein, is a medicare enrolled "Counselor - Mental Health" provider in San Mateo, California. She graduated from healthcare school in 2010 and has 16 years of diverse experience with area of expertise as Clinical Social Worker. She is a member of the group practice Access Institute For Psychological Services and her current practice location is 1108 S El Camino Real, San Mateo, California. You can reach out to her office (for appointments etc.) via phone at (650) 458-0026.

Ms Rachel S Krellenstein is licensed to practice in California (license number ) 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 1245465236.

Contact Information

Ms Rachel S Krellenstein,
1108 S El Camino Real,
San Mateo, CA 94402-2804
(650) 458-0026
(650) 458-0027

Map and Direction


Healthcare Provider's Profile

Full NameMs Rachel S Krellenstein
GenderFemale
SpecialityClinical Social Worker
Experience16 Years
Location1108 S El Camino Real, San Mateo, 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:
  • Ms Rachel S Krellenstein graduated from medical school in 2010
  NPI Data:
  • NPI Number: 1245465236
  • Provider Enumeration Date: 05/20/2009
  • Last Update Date: 12/22/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 2365829835
  • Enrollment ID: I20220523001544

Medical Identifiers

Medical identifiers for Ms Rachel S Krellenstein such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1245465236NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
101YM0800XCounselor - Mental Health (California)Primary
1041C0700XSocial Worker - Clinical (California)Secondary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Access Institute For Psychological Services04462248934

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. Ms Rachel S Krellenstein allows following entities to bill medicare on her behalf.
Entity NameAccess Institute for Psychological Services
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1609919109
PECOS PAC ID: 0446224893
Enrollment ID: O20040823000873

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. Ms Rachel S Krellenstein 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
Ms Rachel S Krellenstein,
1108 S El Camino Real,
San Mateo, CA 94402-2804

Ph: (650) 458-0026
Ms Rachel S Krellenstein,
1108 S El Camino Real,
San Mateo, CA 94402-2804

Ph: (650) 458-0026

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.

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).

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