Nicholas Tzavalas, MD - Medicare Anesthesiology in Derry, NH

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Nicholas Tzavalas, MD is a medicare enrolled "Anesthesiology" physician in Derry, New Hampshire. He graduated from medical school in 1979 and has 45 years of diverse experience with area of expertise as Anesthesiology. He is a member of the group practice Amoskeag Anesthesia Pllc, Apollo Medical Group Of Portsmouth Pllc and his current practice location is 1 Parkland Dr, Derry, New Hampshire. You can reach out to his office (for appointments etc.) via phone at (603) 421-2163.

Nicholas Tzavalas is licensed to practice in New Hampshire (license number 7382) 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 1255319687.

Contact Information

Nicholas Tzavalas, MD
1 Parkland Dr,
Derry, NH 03038-2746
(603) 421-2163
Not Available

Map and Direction




Physician's Profile

Full NameNicholas Tzavalas
GenderMale
SpecialityAnesthesiology
Experience45 Years
Location1 Parkland Dr, Derry, New Hampshire
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:
  • Nicholas Tzavalas graduated from medical school in 1979
  NPI Data:
  • NPI Number: 1255319687
  • Provider Enumeration Date: 01/05/2006
  • Last Update Date: 08/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 4688621295
  • Enrollment ID: I20050406000261

Medical Identifiers

Medical identifiers for Nicholas Tzavalas such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1255319687NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology 7382 (New Hampshire)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Amoskeag Anesthesia Pllc175937598390
Apollo Medical Group Of Portsmouth Pllc903250934413

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. Nicholas Tzavalas allows following entities to bill medicare on his behalf.
Entity NameAmoskeag Anesthesia Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1104883511
PECOS PAC ID: 1759375983
Enrollment ID: O20040513001385
Entity NameAnesthesia Associates Of New England Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1861950651
PECOS PAC ID: 8921340886
Enrollment ID: O20190425002350
Entity NameApollo Medical Group Of Seabrook Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1962054841
PECOS PAC ID: 3870822893
Enrollment ID: O20190917000085
Entity NameApollo Medical Group Of Wentworth Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1831748185
PECOS PAC ID: 8426389677
Enrollment ID: O20191018002554
Entity NameNew Hampshire Anesthesia Services Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1245809631
PECOS PAC ID: 9436557089
Enrollment ID: O20211012001333
Entity NameApollo Medical Group Of Portsmouth Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023780657
PECOS PAC ID: 9032509344
Enrollment ID: O20211130003135

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. Nicholas Tzavalas 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
Nicholas Tzavalas, MD
Po Box 1849,
Lewiston, ME 04241-1849

Ph: (207) 784-2554		Nicholas Tzavalas, MD
1 Parkland Dr,
Derry, NH 03038-2746

Ph: (603) 421-2163

Reviews and Comments


Anesthesiology Doctors in Derry, NH

David Duval, D.O.
Anesthesiology
Medicare: May Accept Medicare Assignments
Practice Location: 1 Parkland Dr, Derry, NH 03038
Phone: 603-421-2163    
Dr. Andrey Lundin, MD
Anesthesiology
Medicare: May Accept Medicare Assignments
Practice Location: 1 Parkland Dr, Derry, NH 03038
Phone: 603-432-1500    
Julienne Nicole Echavarri, MD
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 1 Parkland Dr, Derry, NH 03038
Phone: 603-432-1500    

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.