Guillermo J. Crespo, MD
Cardiovascular Disease Physician · Bangor, ME
Guillermo J. Crespo, MD is a cardiovascular disease physician with a practice address in Bangor, Maine, and NPI 1619948148, issued on Feb 1, 2006. Check the license (Maine 016279, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Guillermo J. Crespo
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 016279 ME
Self-reported in NPPES; status is on the state search - Practice location
- 1 Northeast Dr, Bangor, ME 04401
- Phone
- (207) 275-3800
- Enumerated
- Feb 1, 2006
- Record last updated
- Mar 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (207) 275-3803
- Medicare enrollment
- Enrolled (PECOS I20040107000093); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 147 in Maine → Look up another NPI →
Also registered at 1 Northeast Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Krishna Chaitanya Alluri, M.DCardiovascular Disease Physician1588002893
- Fahad Alsindi, M.D.Cardiovascular Disease Physician1912151051
- Shermane Anderson, PACMedical Physician Assistant1710930037
- Thorarinn Bjarnason, MDCardiovascular Disease Physician1811418536
- Nicholas Campbell, MSPAS, PA-CPhysician Assistant1255121513
- Chae Choi, MDCardiovascular Disease Physician1518938265
Verify Guillermo J. Crespo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license 016279Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
179 Medicare Part D claims for 59 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.
Most prescribed
- Sotalol20 claims
- Entresto16 claims
- Repatha Sureclick13 claims
- Amiodarone Hcl11 claims
- Repatha Syringe11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Eastern Maine Medical CenterBangor, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Guillermo J. Crespo among 147 cardiovascular disease physician records in Maine
Guillermo J. Crespo, MD is one of 147 cardiovascular disease physician records with a practice address in Maine. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1994 · median 2004 among the 103 with a school on file
- Record last updated2021 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Maine
There are 147 cardiovascular disease physician records in Maine.
All 147 in Maine → Every provider in Bangor → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Chae Choi, MDBangor, ME 044011518938265
- Zelmira Curillova-Chavko, MDBangor, ME 044011891700621
- Scott Deron, D.O.Bangor, ME 044011528035136
- Rupert Fincke, MDBangor, ME 044011194796755
- Robert Hoffmann, MDBangor, ME 044011487625141
- Alan Jansujwicz, M.D.Bangor, ME 044011760453351
- Isidore Okere, MDBangor, ME 044011326259078
- Amina Qazi, DO, PHARMDBangor, ME 044011063587939
Common questions
What is Guillermo J. Crespo, MD's NPI number?
Guillermo J. Crespo, MD's National Provider Identifier (NPI) is 1619948148, issued on Feb 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Guillermo J. Crespo, MD located?
The NPPES record lists a practice address at 1 Northeast Dr, Bangor, ME, 04401. Phone: (207) 275-3800. Providers update this record themselves, so call before visiting.
How can I verify Guillermo J. Crespo, MD's license?
NPPES lists Maine license number 016279, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Guillermo J. Crespo, MD prescribe under Medicare Part D?
In 2024, Guillermo J. Crespo, MD had 179 Medicare Part D claims for 59 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.