Mark D Litchman, MD - Medicare Allergy/immunology in Norwalk, CT

Mark D Litchman, MD is a medicare enrolled "Allergy & Immunology" physician in Norwalk, Connecticut. He went to Rush Medical College Of Rush University and graduated in 1984 and has 40 years of diverse experience with area of expertise as Allergy/immunology. He is a member of the group practice Fairfield County Allergy Asthma And Immunology Associates Pc and his current practice location is 148 East Avenue, Suite 3g, Norwalk, Connecticut. You can reach out to his office (for appointments etc.) via phone at (203) 838-4034.

Mark D Litchman is licensed to practice in Connecticut (license number 027828) 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 1447341243.

Contact Information

Mark D Litchman, MD
148 East Avenue, Suite 3g,
Norwalk, CT 06851
(203) 838-4034
(203) 853-6361



Physician's Profile

Full NameMark D Litchman
GenderMale
SpecialityAllergy/immunology
Experience40 Years
Location148 East Avenue, Norwalk, Connecticut
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:
  • Mark D Litchman attended and graduated from Rush Medical College Of Rush University in 1984
  NPI Data:
  • NPI Number: 1447341243
  • Provider Enumeration Date: 09/27/2006
  • Last Update Date: 10/08/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 4082501721
  • Enrollment ID: I20040304000259

Medical Identifiers

Medical identifiers for Mark D Litchman such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1447341243NPI-NPPES
001278284MedicaidCT

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207K00000XAllergy & Immunology 027828 (Connecticut)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Greenwich Hospital Association -Greenwich, CTHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Fairfield County Allergy Asthma And Immunology Associates Pc94360451925

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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. Mark D Litchman allows following entities to bill medicare on his behalf.
Entity NameFairfield County Allergy Asthma & Immunology Associates Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1083705891
PECOS PAC ID: 9436045192
Enrollment ID: O20040227000629

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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. Mark D Litchman 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
Mark D Litchman, MD
148 East Avenue, Suite 3g,
Norwalk, CT 06851

Ph: (203) 838-4034
Mark D Litchman, MD
148 East Avenue, Suite 3g,
Norwalk, CT 06851

Ph: (203) 838-4034

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Allergy & Immunology Doctors in Norwalk, CT

Dr. Kaoru Harada, M.D.
Allergy & Immunology
Medicare: Medicare Enrolled
Practice Location: 148 East Ave Ste 3g, Norwalk, CT 06851
Phone: 203-838-4034    Fax: 203-853-6361
Dr. Philip Hemmers, D.O.
Allergy & Immunology
Medicare: Accepting Medicare Assignments
Practice Location: 761 Main Ave, Norwalk, CT 06851
Phone: 203-870-8731    Fax: 203-803-2730
Agnieszka Matczuk, MD
Allergy & Immunology
Medicare: Accepting Medicare Assignments
Practice Location: 148 East Ave, Suite 3g, Norwalk, CT 06851
Phone: 203-838-4034    Fax: 203-853-6361
Dr. Michael Lewin, MD
Allergy & Immunology
Medicare: Accepting Medicare Assignments
Practice Location: 70 New Canaan Ave Ste 2nw, Norwalk, CT 06850
Phone: 203-229-1212    Fax: 203-229-1214
Audrey C Bregante, APRN RN NP
Allergy & Immunology
Medicare: Medicare Enrolled
Practice Location: 148 East Avenue, Suite 3g, Norwalk, CT 06851
Phone: 203-838-4034    Fax: 203-853-6361
Dr. Marvin Den, M.D.
Allergy & Immunology
Medicare: Not Enrolled in Medicare
Practice Location: 40 Cross St, 4th Fl, Norwalk, CT 06851
Phone: 203-845-4800    Fax: 203-845-4873

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