Dr Hovsep Ghevont Mahdessian, MD - Medicare Internal Medicine in Palmdale, CA

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Dr Hovsep Ghevont Mahdessian, MD is a medicare enrolled "Internal Medicine" physician in Palmdale, California. He graduated from medical school in 2000 and has 24 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice High Desert Medical Corporation, And Inc, Noalab Clinic Inc and his current practice location is 327 E Palmdale Blvd, Palmdale, California. You can reach out to his office (for appointments etc.) via phone at (661) 273-5888.

Dr Hovsep Ghevont Mahdessian is licensed to practice in California (license number A102305) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1659544203.

Contact Information

Dr Hovsep Ghevont Mahdessian, MD
327 E Palmdale Blvd,
Palmdale, CA 93550-7139
(661) 273-5888
Not Available

Map and Direction




Physician's Profile

Full NameDr Hovsep Ghevont Mahdessian
GenderMale
SpecialityInternal Medicine
Experience24 Years
Location327 E Palmdale Blvd, Palmdale, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Hovsep Ghevont Mahdessian graduated from medical school in 2000
  NPI Data:
  • NPI Number: 1659544203
  • Provider Enumeration Date: 04/03/2008
  • Last Update Date: 11/23/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 9133279284
  • Enrollment ID: I20090610000584

Medical Identifiers

Medical identifiers for Dr Hovsep Ghevont Mahdessian such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1659544203NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine O36.120147 (Illinois)Secondary
207R00000XInternal Medicine A102305 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
High Desert Medical Corporation610373056949
And Inc73151618662
Noalab Clinic Inc83254247652

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. Dr Hovsep Ghevont Mahdessian allows following entities to bill medicare on his behalf.
Entity NameHigh Desert Medical Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1720196702
PECOS PAC ID: 6103730569
Enrollment ID: O20031118001191
Entity NameLakeside Medical Organization A Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1831426642
PECOS PAC ID: 7618005166
Enrollment ID: O20100505000015
Entity NameNoalab Medical Clinic Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1619226347
PECOS PAC ID: 1456500875
Enrollment ID: O20120928000520
Entity NameAnd Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1447679774
PECOS PAC ID: 7315161866
Enrollment ID: O20140624001406
Entity NameNoalab Clinic Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1649805508
PECOS PAC ID: 8325424765
Enrollment ID: O20221007001758

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. Dr Hovsep Ghevont Mahdessian 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
Dr Hovsep Ghevont Mahdessian, MD
327 E Palmdale Blvd,
Palmdale, CA 93550

Ph: (661) 273-5888		Dr Hovsep Ghevont Mahdessian, MD
327 E Palmdale Blvd,
Palmdale, CA 93550-7139

Ph: (661) 273-5888

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).

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.