Dr. Guillermo J. Crespo, MD

  • Bangor, ME
  • Cardiologist
NPI1619948148PAC ID6002715232
Medicare services, 2024
838
Medicare patients, 2024
626
Part D claims, 2024
179
Publications
4
MIPS score, 2024
97
Practice address
489 State Street, Bangor, ME 04401
Practice phone
Call (207) 973-7000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

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Dr. Guillermo J. Crespo is a cardiologist in Bangor, Maine

Dr. Crespo practices at Northern Light Eastern Maine Medical Center in Bangor, Maine, part of Northern Light Health.

Dr. Crespo's NPI, 1619948148, was assigned on February 1, 2006. Dr. Crespo graduated from Central University of Venezuela in 1994. Dr. Crespo holds Maine license 016279.

NPI and contact details
Medicare PAC ID
6002715232
NPI enumeration date
February 1, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(207) 973-7000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
58
Medical school graduation
1994

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Guillermo J. Crespo practices at Northern Light Eastern Maine Medical Center in Bangor, Maine

Dr. Crespo's primary practice is Northern Light Eastern Maine Medical Center, at 489 State Street, Bangor, ME 04401 in Penobscot County. The practice phone is (207) 973-7000.

Source: Dmand AI Affiliation Data

Dr. Guillermo J. Crespo is affiliated with 8 sites of care and 8 medical groups

Dr. Crespo's primary practice is Northern Light Eastern Maine Medical Center in Bangor, Maine, part of Northern Light Health. Dr. Crespo is also affiliated with Northern Light Maine Coast Hospital. The medical group on file is Northern Light Eastern Maine Medical Center. Dmand AI also links Dr. Crespo to 3 more hospitals, 7 medical groups, 2 group practices and clinics and 1 breast imaging center, each named with a free account. Dr. Crespo's employer is on file too: a hospital.

See all 16 affiliations for Dr. Crespo

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Guillermo J. Crespo's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Crespo practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Northern Light Eastern Maine Medical CenterAvailable with a free account
+7 more sites and 7 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Guillermo J. Crespo is one of 153 cardiologists in Maine

Cardiovascular disease is Dr. Crespo's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Crespo is board certified in cardiovascular disease by the American Board of Internal Medicine. Dmand AI has Dr. Crespo's licenses on file in 2 states: Maine and Pennsylvania.

Specialties and state licenses

  • Cardiovascular disease, MainePrimaryLicense 016279 · 2003 to 2026 · taxonomy 207RC0000X
  • Pennsylvania license1997 to 2003

Clinical focus

Dmand AI lists angioplasty, cardiac catheterization, pacemaker or defibrillator implantation and pacemaker replacement among the conditions Dr. Crespo treats.

Cardiologists near Dr. Crespo

Counts of cardiologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Guillermo J. Crespo billed Medicare for 838 services in 2024

CMS data shows 838 Medicare services from Dr. Crespo across 12 procedure codes in 2024, for 626 Medicare patients. Medicare paid $47,079 for them.

Medicare services, 2024838
Medicare patients626
Paid by Medicare$47,079
Procedure codes12

Dr. Crespo's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 8042024: 7447%
Office and hospital visits
2023: 372024: 6781%
Surgery
2023: 392024: 2731%

Where Dr. Crespo's Medicare services took place, 2024

  • In an office13516%
  • In a facility70384%

Dr. Crespo compared with the Maine median for cardiologists, 2024

  • Dr. Crespo
  • Maine median
Medicare services
838vs 1,13126% below
Medicare patients
626vs 76418% below
Part D claims
71vs 60088% below

Medians across 154 cardiologists in Maine with Dmand AI profiles that report each measure.

Dr. Crespo's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Crespo

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Guillermo J. Crespo treated 626 Medicare patients in 2024, average age 75

CMS counts 626 Medicare patients who saw Dr. Crespo in 2024. The largest group is 75 to 84, with 231 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 32% are also on Medicaid. Their average risk score is 1.74, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Crespo's median patient age at 69, with 42% women.

Medicare patients, 2024626
Average age75
Average risk score1.74
Also on Medicaid32%

Dr. Crespo's Medicare patients by age, 2024

Dr. Crespo's Medicare patients by sex, 2024

  • Women27844%
  • Men34856%

Chronic conditions among Dr. Crespo's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease61%
  4. Atrial fibrillation50%
  5. Heart failure46%
  6. Arthritis45%
  7. Chronic kidney disease40%
  8. Diabetes39%

Share of Medicare patients with each condition. A patient can have several.

Dr. Crespo's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women42%
  • Men56%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Guillermo J. Crespo wrote 179 Medicare Part D claims in 2024

In 2024, Dr. Crespo wrote 179 Medicare Part D claims for 59 patients. 58% of them were for generic drugs. CMS names the drug for 71 of them, across 5 drugs with 11 or more claims each, at $39,962 in total drug cost. In 2023, CMS named 79 claims across 4 drugs.

Part D claims, 2024179
Drugs named by CMS5
Total drug cost$39,962
Part D patients59

Dr. Crespo's Part D claims by kind of drug, 2024

  • Generic104 claims58%
  • Brand-name75 claims42%

Dr. Crespo's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 792024: 7110%

Drugs named by CMS: 5 in 2024, 4 in 2023.

See all prescribing by Dr. Crespo

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Guillermo J. Crespo scored 97 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Crespo for performance year 2024, reported through an alternative payment model (APM). Dr. Crespo accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 19 procedures of coronary angioplasty and stenting by Dr. Crespo, more than 48% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Crespo's MIPS scores, performance year 2024

  • 97of 100Final score
  • 83.2of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Crespo ranks in Medicare procedure volume

Coronary angioplasty and stenting
48th percentile19 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Pacemaker insertion or repair: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Guillermo J. Crespo has 4 publications on record

Dmand AI links 4 papers to Dr. Crespo. Dr. Crespo has published most often in Echocardiography. Dr. Crespo's most frequent co-authors are Enakshi Bajpai, DO, Angel Eduardo Caldera, MD and Fermin C. Garcia, MD.

Papers4

Dr. Crespo's most frequent co-authors

Recent publications by Dr. Crespo

See all 4 publications and co-authors

See who Dr. Crespo researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Crespo works with, so you can find a warm path to the right cardiologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Guillermo J. Crespo received $1,370 in industry payments from 2017 to 2023

CMS Open Payments shows 5 general payments to Dr. Crespo from 3 drug and device companies from 2017 to 2023. Travel and lodging make up the largest share, 76% of the total. Boston Scientific Corporation paid the most, $1,291.

General payments to Dr. Crespo by program year, 2017 to 2023

General payments to Dr. Crespo by kind, 2017 to 2023

$1.4Kin total
  • Travel and lodging$1,04276%
  • Food and beverage$32824%

Companies that paid Dr. Crespo the most, 2017 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Crespo

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Guillermo J. Crespo has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Crespo, most recently ACC Fellow in 2012.

Awards and honors for Dr. Crespo

  1. 2012
    • ACC Fellow
  2. Undated
    • CMS Stage 1 2012

Source: Dmand AI Professional Profile Data

Dr. Guillermo J. Crespo graduated from Central University of Venezuela

Dr. Crespo graduated from Central University of Venezuela in 1994. Dr. Crespo is a member of ACC.

  1. Medical schoolCentral University of Venezuela
  2. Board certified in cardiovascular diseaseAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Guillermo J. Crespo accepts plans from 17 insurance carriers

Dr. Crespo is in network with 17 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

  • Aetna
  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • HCSC
  • Aspirus Health Plan
  • Blue Cross Blue Shield of Massachusetts
  • Humana
  • +9 more carriersWith a free account

Plan types Dr. Crespo accepts, by number of carriers

  1. PPO10
  2. HMO8
  3. Medicare7
  4. EPO4
  5. POS4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Guillermo J. Crespo's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Guillermo J. Crespo

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Guillermo J. Crespo's NPI number?

Dr. Guillermo J. Crespo's NPI number is 1619948148. It was assigned on February 1, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Guillermo J. Crespo?

Dr. Guillermo J. Crespo is a cardiologist in Bangor, Maine. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).

Where does Dr. Guillermo J. Crespo practice?

Dr. Crespo practices at 489 State Street, Bangor, ME 04401. Dr. Crespo's primary practice is Northern Light Eastern Maine Medical Center in Bangor, Maine, part of Northern Light Health. Dmand AI also links Dr. Crespo to 3 hospitals, 7 medical groups, 2 group practices and clinics and 1 breast imaging center.

What is Dr. Guillermo J. Crespo's office phone number?

The practice phone on file for Dr. Crespo is (207) 973-7000.

What is Dr. Guillermo J. Crespo's medical license number?

Dr. Crespo holds Maine license 016279, one of the licenses on file in 2 states.

Which states has Dr. Guillermo J. Crespo been licensed in?

Dmand AI has state licenses on file for Dr. Crespo in Maine (2003 to 2026) and Pennsylvania (1997 to 2003).

Which hospitals is Dr. Guillermo J. Crespo affiliated with?

Dr. Crespo practices at Northern Light Eastern Maine Medical Center in Bangor, Maine. Dr. Crespo is also affiliated with Northern Light Maine Coast Hospital. Dmand AI links Dr. Crespo to 3 more hospitals.

What medical group is Dr. Guillermo J. Crespo part of?

Dr. Crespo is linked to Northern Light Eastern Maine Medical Center. Dmand AI links Dr. Crespo to 7 more medical groups.

Does Dr. Guillermo J. Crespo accept Medicare?

Yes. CMS data shows Dr. Crespo billed Medicare for 838 services in 2024, and Dr. Crespo accepts Medicare assignment.

What is Dr. Guillermo J. Crespo's MIPS score?

Dr. Crespo's MIPS final score for performance year 2024 is 97 out of 100, reported through an alternative payment model (APM).

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Guillermo J. Crespo see?

CMS counts 626 Medicare patients who saw Dr. Crespo in 2024, with an average age of 75.

Is Dr. Guillermo J. Crespo board certified?

Yes. Dr. Crespo is board certified in cardiovascular disease by the American Board of Internal Medicine.

What services does Dr. Guillermo J. Crespo bill to Medicare?

In 2024, Dr. Crespo's most billed Medicare services were heart test or procedure (93010), heart test or procedure (93306) and special service (99152).

Where did Dr. Guillermo J. Crespo go to medical school?

Dr. Crespo graduated from Central University of Venezuela in 1994.

What drugs does Dr. Guillermo J. Crespo prescribe most?

In 2024 Medicare Part D data, Dr. Crespo's most prescribed drugs by claims were Sotalol, Entresto and Repatha Sureclick.

Has Dr. Guillermo J. Crespo received payments from drug or device companies?

CMS Open Payments shows $1,370 in general payments to Dr. Crespo from 3 companies from 2017 to 2023. The largest total came from Boston Scientific Corporation.

How long has Dr. Guillermo J. Crespo been practicing?

Dr. Crespo graduated from medical school in 1994, 32 years ago.

Does Dr. Guillermo J. Crespo do research?

Dmand AI links 4 publications to Dr. Crespo.

Who does Dr. Guillermo J. Crespo publish with?

Dr. Crespo's most frequent co-authors are Enakshi Bajpai, DO (1 shared paper), Angel Eduardo Caldera, MD (1 shared paper) and Fermin C. Garcia, MD (1 shared paper).

What insurance does Dr. Guillermo J. Crespo accept?

Dr. Crespo is in network with 17 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

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