Dr Mark Lawrence Welch, MD - Medicare Micrographic Dermatologic Surgery (mds) in Bethesda, MD

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Dr Mark Lawrence Welch, MD is a medicare enrolled "Dermatology - Mohs-micrographic Surgery" physician in Bethesda, Maryland. He went to New York Medical College and graduated in 1986 and has 38 years of diverse experience with area of expertise as Micrographic Dermatologic Surgery (mds). He is a member of the group practice Anne Arundel Dermatology Pa, Anne Arundel Dermatology Pa and his current practice location is 6410 Rockledge Dr, Suite 300, Bethesda, Maryland. You can reach out to his office (for appointments etc.) via phone at (301) 564-3131.

Dr Mark Lawrence Welch is licensed to practice in Maryland (license number D51120) 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 1619943644.

Contact Information

Dr Mark Lawrence Welch, MD
6410 Rockledge Dr, Suite 300,
Bethesda, MD 20817-1809
(301) 564-3131
(301) 564-6391

Map and Direction




Physician's Profile

Full NameDr Mark Lawrence Welch
GenderMale
SpecialityMicrographic Dermatologic Surgery (mds)
Experience38 Years
Location6410 Rockledge Dr, Bethesda, Maryland
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 Mark Lawrence Welch attended and graduated from New York Medical College in 1986
  NPI Data:
  • NPI Number: 1619943644
  • Provider Enumeration Date: 02/28/2006
  • Last Update Date: 08/08/2017
  Medicare PECOS Information:
  • PECOS PAC ID: 6507752458
  • Enrollment ID: I20101123000524

Medical Identifiers

Medical identifiers for Dr Mark Lawrence Welch such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1619943644NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207ND0101XDermatology - Mohs-micrographic Surgery 101058507 (Virginia)Secondary
207ND0101XDermatology - Mohs-micrographic Surgery D51120 (Maryland)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Anne Arundel Dermatology Pa660876196097
Anne Arundel Dermatology Pa660876196097

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 Lawrence Welch allows following entities to bill medicare on his behalf.
Entity NameAnne Arundel Dermatology Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1063481703
PECOS PAC ID: 6608761960
Enrollment ID: O20160518000421

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 Lawrence Welch 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 Lawrence Welch, MD
6410 Rockledge Dr, Suite 300,
Bethesda, MD 20817-1809

Ph: (301) 564-3131		Dr Mark Lawrence Welch, MD
6410 Rockledge Dr, Suite 300,
Bethesda, MD 20817-1809

Ph: (301) 564-3131

Reviews and Comments


Dermatology Doctors in Bethesda, MD

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Dr. Leonard Charles Sperling, M.D.
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Dr. Boris D Lushniak, M.D.
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Dr. Caitlin Fink, D.O.
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Phone: 301-295-4551    
Dr. Mary Margaret Mancewicz, MD
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Dr. Iris Kedar Rubin, MD
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Practice Location: 6410 Rockledge Dr, Suite 201, Bethesda, MD 20817
Phone: 301-530-8300    Fax: 301-530-8300

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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