Dr Mark Mazer, MD - Medicare Psychiatry in Baltimore, MD

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Dr Mark Mazer, MD is a medicare enrolled "Psychiatry & Neurology - Psychiatry" physician in Baltimore, Maryland. He graduated from medical school in 2019 and has 7 years of diverse experience with area of expertise as Psychiatry. His current practice location is 701 W Pratt St Fl 2, Baltimore, Maryland. You can reach out to his office (for appointments etc.) via phone at (410) 328-6018.

Dr Mark Mazer is licensed to practice in Maryland (license number D0097631) and he also participates in the medicare program. He may accept medicare assignments (which means he may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and his NPI Number is 1427577105.

Contact Information

Dr Mark Mazer, MD
701 W Pratt St Fl 2,
Baltimore, MD 21201-1023
(410) 328-6018
(410) 328-6391

Map and Direction




Physician's Profile

Full NameDr Mark Mazer
GenderMale
SpecialityPsychiatry
Experience7 Years
Location701 W Pratt St Fl 2, Baltimore, Maryland
Accepts Medicare AssignmentsMay be. He may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Mark Mazer graduated from medical school in 2019
  NPI Data:
  • NPI Number: 1427577105
  • Provider Enumeration Date: 09/14/2017
  • Last Update Date: 08/08/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 7810497047
  • Enrollment ID: I20250822001393

Medical Identifiers

Medical identifiers for Dr Mark Mazer such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1427577105NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084P0804XPsychiatry & Neurology - Child & Adolescent Psychiatry D0097631 (Maryland)Secondary
2084P0800XPsychiatry & Neurology - Psychiatry D0097631 (Maryland)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. Dr Mark Mazer allows following entities to bill medicare on his behalf.
Entity NameUniversity of Maryland Psychiatry Associates PA
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1649292699
PECOS PAC ID: 1052208253
Enrollment ID: O20040302001182

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 Mark Mazer 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 Mark Mazer, MD
701 W Pratt St Fl 2,
Baltimore, MD 21201-1023

Ph: Not Available		Dr Mark Mazer, MD
701 W Pratt St Fl 2,
Baltimore, MD 21201-1023

Ph: (410) 328-6018

Reviews and Comments


Psychiatry & Neurology Doctors in Baltimore, MD

Dr. Michelle Schnabel Horner, D.O.
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Medicare: Not Enrolled in Medicare
Practice Location: 5500 E Lombard St, Baltimore, MD 21224
Phone: 410-550-0091    
Haopeng Zheng, MD
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Practice Location: 345 Saint Paul Pl, Baltimore, MD 21202
Phone: 410-332-9000    
Ms. Sarah Catherine Collica,
Psychiatry & Neurology
Medicare: May Accept Medicare Assignments
Practice Location: 600 N Wolfe St, Baltimore, MD 21287
Phone: 443-287-4701    Fax: 410-955-0152
Matthew Brandt, MD
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Medicare: Not Enrolled in Medicare
Practice Location: 701 W Pratt St Rm 474, Baltimore, MD 21201
Phone: 410-328-6325    
Christopher Earley, M.D.
Psychiatry & Neurology
Medicare: May Accept Medicare Assignments
Practice Location: 4940 Eastern Ave, Baltimore, MD 21224
Phone: 410-550-5624    
Dr. Elias K Shaya, M.D.
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 5601 Loch Raven Blvd, Rmb 406, Baltimore, MD 21239
Phone: 410-532-4540    Fax: 410-323-6958
Hamilton Moses Iii, M.D.
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 600 N Wolfe Street, The Johns Hopkins Hospital, Baltimore, MD 21287
Phone: 434-984-2016    

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.