Liliam Perez, MD - Medicare Psychiatry in Fresno, CA

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Liliam Perez, MD is a medicare enrolled "Psychiatry & Neurology - Psychiatry" physician in Fresno, California. She graduated from medical school in 1985 and has 41 years of diverse experience with area of expertise as Psychiatry. She is a member of the group practice County Of Monterey and her current practice location is 1925 E Dakota Ave, Fresno, California. You can reach out to her office (for appointments etc.) via phone at (559) 600-9180.

Liliam Perez is licensed to practice in California (license number A87095) 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 1053441287.

Contact Information

Liliam Perez, MD
1925 E Dakota Ave,
Fresno, CA 93726-4821
(559) 600-9180
Not Available

Map and Direction




Physician's Profile

Full NameLiliam Perez
GenderFemale
SpecialityPsychiatry
Experience41 Years
Location1925 E Dakota Ave, Fresno, 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:
  • Liliam Perez graduated from medical school in 1985
  NPI Data:
  • NPI Number: 1053441287
  • Provider Enumeration Date: 03/06/2007
  • Last Update Date: 07/21/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 5395733380
  • Enrollment ID: I20080311000753

Medical Identifiers

Medical identifiers for Liliam Perez such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1053441287NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084P0800XPsychiatry & Neurology - Psychiatry A87095 (California)Primary
2084P0805XPsychiatry & Neurology - Geriatric Psychiatry A87095 (California)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Community Hospital Of The Monterey PeninsulaMonterey, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
County Of Monterey2466345632186

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. Liliam Perez allows following entities to bill medicare on her behalf.
Entity NameCounty of Monterey
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1467584805
PECOS PAC ID: 2466345632
Enrollment ID: O20040913001243

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. Liliam Perez 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
Liliam Perez, MD
201 Glenwood Cir, Apt 27d,
Monterey, CA 93940-6707

Ph: (646) 552-6192		Liliam Perez, MD
1925 E Dakota Ave,
Fresno, CA 93726-4821

Ph: (559) 600-9180

Reviews and Comments


Psychiatry & Neurology Doctors in Fresno, CA

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Phone: 559-431-4007    Fax: 559-431-3357
Dr. Aria R Torii, M.D.
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Phone: 559-437-9700    Fax: 559-437-9799
Mr. Harjot Singh, M.D.
Psychiatry & Neurology
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Practice Location: 445 S Cedar Ave, Fresno, CA 93702
Phone: 559-459-3763    Fax: 559-459-5085
Herbert Angel Cruz, MD
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Practice Location: 2772 S. Martin Luther King Blvd., Fresno, CA 93706
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Dr. Ashlyn L Hankey,
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Gabriel Carlos Monthan, M.D.
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Phone: 559-443-4800    

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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