Dr Guillermo J Crespo, MD - Medicare Interventional Cardiology in Bangor, ME

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Dr Guillermo J Crespo, MD is a medicare enrolled "Internal Medicine - Cardiovascular Disease" physician in Bangor, Maine. He graduated from medical school in 1994 and has 30 years of diverse experience with area of expertise as Interventional Cardiology. He is a member of the group practice Eastern Maine Medical Center, Acadia Hospital Corp. and his current practice location is 1 Northeast Dr, Bangor, Maine. You can reach out to his office (for appointments etc.) via phone at (207) 275-3800.

Dr Guillermo J Crespo is licensed to practice in Maine (license number 016279) 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 1619948148.

Contact Information

Dr Guillermo J Crespo, MD
1 Northeast Dr,
Bangor, ME 04401-4332
(207) 275-3800
(207) 275-3803

Map and Direction




Physician's Profile

Full NameDr Guillermo J Crespo
GenderMale
SpecialityInterventional Cardiology
Experience30 Years
Location1 Northeast Dr, Bangor, Maine
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 Guillermo J Crespo graduated from medical school in 1994
  NPI Data:
  • NPI Number: 1619948148
  • Provider Enumeration Date: 02/01/2006
  • Last Update Date: 03/02/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 6002715232
  • Enrollment ID: I20040107000093

Medical Identifiers

Medical identifiers for Dr Guillermo J Crespo such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1619948148NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RC0000XInternal Medicine - Cardiovascular Disease 016279 (Maine)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Eastern Maine Medical CenterBangor, MEHospital
Down East Community HospitalMachias, MEHospital
Mayo Regional HospitalDover foxcroft, MEHospital
Northern Light Maine Coast HospitalEllsworth, MEHospital
Cary Medical CenterCaribou, MEHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Eastern Maine Medical Center2062315161588
Acadia Hospital Corp.771987849585

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 Guillermo J Crespo allows following entities to bill medicare on his behalf.
Entity NameEastern Maine Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1790789147
PECOS PAC ID: 2062315161
Enrollment ID: O20040128000088
Entity NamePenobscot Valley Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1093716086
PECOS PAC ID: 8426942889
Enrollment ID: O20040209000635
Entity NameAcadia Hospital Corp.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1215940523
PECOS PAC ID: 7719878495
Enrollment ID: O20040323000136
Entity NameSebasticook Valley Health
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1457461477
PECOS PAC ID: 3476462797
Enrollment ID: O20040513001197
Entity NameEastern Maine Healthcare Systems Inland Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1376579557
PECOS PAC ID: 6305817503
Enrollment ID: O20040802001656
Entity NameMaine Coast Regional Health Facilities
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1740249739
PECOS PAC ID: 1052208113
Enrollment ID: O20040804001405
Entity NameBlue Hill Memorial Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023057809
PECOS PAC ID: 7911991336
Enrollment ID: O20080312000055
Entity NameCharles A. Dean Memorial Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1659388213
PECOS PAC ID: 1557279031
Enrollment ID: O20100608000349
Entity NameMrh Corp
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1558319103
PECOS PAC ID: 1355770892
Enrollment ID: O20200803002384

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 Guillermo J Crespo 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 Guillermo J Crespo, MD
43 Whiting Hill Rd Ste 300,
Brewer, ME 04412-1006

Ph: (207) 973-5035		Dr Guillermo J Crespo, MD
1 Northeast Dr,
Bangor, ME 04401-4332

Ph: (207) 275-3800

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).

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