Judy Chang, - Medicare Psychiatry & Neurology in Oakland, CA

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Judy Chang, is a medicare enrolled "Psychiatry & Neurology - Neurology" physician in Oakland, California. Her current practice location is 818 Webster St, Oakland, Oakland, California. You can reach out to her office (for appointments etc.) via phone at (510) 986-6800.

Judy Chang is licensed to practice in California (license number A70198) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1265574388.

Contact Information

Judy Chang,
818 Webster St, Oakland,
Oakland, CA 94607-4220
(510) 986-6800
Not Available

Map and Direction




Physician's Profile

Full NameJudy Chang
GenderFemale
SpecialityPsychiatry & Neurology - Neurology
Location818 Webster St, Oakland, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1265574388
  • Provider Enumeration Date: 02/13/2007
  • Last Update Date: 01/14/2009
  Medicare PECOS Information:
  • PECOS PAC ID: 6901793686
  • Enrollment ID: I20040228000318

Medical Identifiers

Medical identifiers for Judy Chang such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1265574388NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084N0400XPsychiatry & Neurology - Neurology A70198 (California)Primary

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. Judy Chang allows following entities to bill medicare on her behalf.
Entity NameCounty Of San Mateo
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1679642326
PECOS PAC ID: 9032023171
Enrollment ID: O20031126000292
Entity NameCounty Of San Mateo
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1831268580
PECOS PAC ID: 9032023171
Enrollment ID: O20040123000822
Entity NameCalifornia University Of Science And Medicine
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1255849360
PECOS PAC ID: 4880949106
Enrollment ID: O20180608001920

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. Judy Chang 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
Judy Chang,
Id#2848, P.o. Box 1318, Sacramento,
Sacramento, CA 95812

Ph: () -		Judy Chang,
818 Webster St, Oakland,
Oakland, CA 94607-4220

Ph: (510) 986-6800

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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