Dr. James B. Powers, MD

  • Portland, ME
  • Cardiologist
NPI1316974496PAC ID4284678954
Medicare services, 2024
811
Medicare patients, 2024
462
Part D claims, 2024
2,135
Publications
1
MIPS score, 2024
98
Practice address
22 Bramhall St, Portland, ME 04102
Practice phone
Call (207) 662-0111
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

MaineHealth Maine Medical Center

Hospital · Portland, Maine

See all 14 affiliations

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Dr. James B. Powers is a cardiologist in Portland, Maine

Dr. Powers practices at MaineHealth Maine Medical Center in Portland, Maine, part of MaineHealth.

Dr. Powers' NPI, 1316974496, was assigned on June 26, 2006. Dr. Powers graduated from University of Vermont College of Medicine in 1991. Dr. Powers holds Maine license MD14508.

NPI and contact details
Medicare PAC ID
4284678954
NPI enumeration date
June 26, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(207) 662-0111
Professional email
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Personal email
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Mobile number
Get number
Sex
Male
Estimated age
61
Medical school graduation
1991

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

Dr. James B. Powers practices at MaineHealth Maine Medical Center in Portland, Maine

Dr. Powers' primary practice is MaineHealth Maine Medical Center, at 22 Bramhall St, Portland, ME 04102 in Cumberland County. The practice phone is (207) 662-0111.

Source: Dmand AI Affiliation Data

Dr. James B. Powers is affiliated with 9 sites of care and 5 medical groups

Dr. Powers' primary practice is MaineHealth Maine Medical Center in Portland, Maine, part of MaineHealth. Dr. Powers is also affiliated with MaineGeneral Medical Center. The medical group on file is MaineHealth Primary Care - Family Medicine - Portland. Dmand AI also links Dr. Powers to 3 more hospitals, 4 group practices and clinics and 4 medical groups, each named with a free account.

See all 14 affiliations for Dr. Powers

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

Dmand AI tracks the EHR system at Dr. James B. Powers' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Powers practices, 9 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
MaineHealth Maine Medical CenterAvailable with a free account
+8 more sites and 4 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. James B. Powers is one of 153 cardiologists in Maine

Cardiovascular disease is Dr. Powers' primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Powers is licensed in Maine.

Specialties and state licenses

  • Cardiovascular disease, MainePrimaryLicense MD14508 · taxonomy 207RC0000X

Cardiologists near Dr. Powers

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. James B. Powers billed Medicare for 811 services in 2024

CMS data shows 811 Medicare services from Dr. Powers across 21 procedure codes in 2024, for 462 Medicare patients. Medicare paid $35,429 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024811
Medicare patients462
Paid by Medicare$35,429
Procedure codes21

Dr. Powers' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 5122024: 4963%
Office and hospital visits
2023: 2432024: 2363%
Imaging
2023: 822024: 794%

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

  • Dr. Powers
  • Maine median
Medicare services
811vs 1,13128% below
Medicare patients
462vs 76440% below
Part D claims
2,024vs 6003.4 times

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

Dr. Powers' 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. Powers

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Powers and other cardiologists in Maine.

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

Dr. James B. Powers treated 462 Medicare patients in 2024, average age 75

CMS counts 462 Medicare patients who saw Dr. Powers in 2024. The largest group is 65 to 74, with 167 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 24% are also on Medicaid. Their average risk score is 1.68, 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. Powers' median patient age at 73, with 46% women.

Medicare patients, 2024462
Average age75
Average risk score1.68
Also on Medicaid24%

Dr. Powers' Medicare patients by age, 2024

Dr. Powers' Medicare patients by sex, 2024

  • Women19943%
  • Men26357%

Chronic conditions among Dr. Powers' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease63%
  4. Heart failure52%
  5. Arthritis49%
  6. Atrial fibrillation46%
  7. Chronic kidney disease41%
  8. Anxiety34%

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

Dr. Powers' patients across all payers

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

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women46%
  • Men52%

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

Dr. James B. Powers wrote 2,135 Medicare Part D claims in 2024

In 2024, Dr. Powers wrote 2,135 Medicare Part D claims for 294 patients. 93% of them were for generic drugs. CMS names the drug for 2,024 of them, across 28 drugs with 11 or more claims each, at $201,139 in total drug cost. In 2023, CMS named 1,679 claims across 26 drugs.

Part D claims, 20242,135
Drugs named by CMS28
Total drug cost$201,139
Part D patients294

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

  • Generic1,978 claims93%
  • Brand-name157 claims7%

Dr. Powers' 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.

Drug classes CMS tracks in Dr. Powers' Part D claims, 2024

  • Antibiotics1%12 of 2,135 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1,6792024: 2,02421%

Drugs named by CMS: 28 in 2024, 26 in 2023.

See all prescribing by Dr. Powers

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. James B. Powers scored 98 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for Dr. Powers for performance year 2024, reported through an alternative payment model (APM). Dr. Powers accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Powers' MIPS scores, performance year 2024

  • 98of 100Final score
  • 83.3of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

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

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

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Dr. James B. Powers has 1 publication on record

Dmand AI links 1 paper to Dr. Powers in 2019. Dr. Powers' most frequent co-authors are Marco Diaz, MD, Justin M. Poltak, MD and Reed D. Quinn, MD.

Papers1

Dr. Powers' most frequent co-authors

Recent publications by Dr. Powers

See all 1 publications and co-authors

See who Dr. Powers researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Powers 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. James B. Powers received $169 in industry payments from 2019 to 2023

CMS Open Payments shows 3 general payments to Dr. Powers from 2 drug and device companies from 2019 to 2023. Food and beverage make up the largest share, 100% of the total. Inari Medical, Inc. paid the most, $102.

General payments to Dr. Powers by program year, 2019 to 2023

Companies that paid Dr. Powers the most, 2019 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Powers

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

Dr. James B. Powers graduated from University of Vermont College of Medicine

Dr. Powers graduated from University of Vermont College of Medicine in 1991.

  1. Medical schoolUniversity of Vermont College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. James B. Powers'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)
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)
Training, board certification and membershipsDmand AI Professional Profile 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. James B. Powers

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. James B. Powers' NPI number?

Dr. James B. Powers' NPI number is 1316974496. It was assigned on June 26, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. James B. Powers?

Dr. James B. Powers is a cardiologist in Portland, Maine. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).

Where does Dr. James B. Powers practice?

Dr. Powers practices at 22 Bramhall St, Portland, ME 04102. Dr. Powers' primary practice is MaineHealth Maine Medical Center in Portland, Maine, part of MaineHealth. Dmand AI also links Dr. Powers to 3 hospitals, 4 group practices and clinics and 4 medical groups.

What is Dr. James B. Powers' office phone number?

The practice phone on file for Dr. Powers is (207) 662-0111.

What is Dr. James B. Powers' medical license number?

Dr. Powers holds Maine license MD14508.

Which hospitals is Dr. James B. Powers affiliated with?

Dr. Powers practices at MaineHealth Maine Medical Center in Portland, Maine. Dr. Powers is also affiliated with MaineGeneral Medical Center. Dmand AI links Dr. Powers to 3 more hospitals.

What medical group is Dr. James B. Powers part of?

Dr. Powers is linked to MaineHealth Primary Care - Family Medicine - Portland. Dmand AI links Dr. Powers to 4 more medical groups.

Does Dr. James B. Powers accept Medicare?

Yes. CMS data shows Dr. Powers billed Medicare for 811 services in 2024, and Dr. Powers accepts Medicare assignment.

What is Dr. James B. Powers' MIPS score?

Dr. Powers' MIPS final score for performance year 2024 is 98 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Dr. James B. Powers see?

CMS counts 462 Medicare patients who saw Dr. Powers in 2024, with an average age of 75.

Show 7 more questionsShow fewer questions

What services does Dr. James B. Powers bill to Medicare?

In 2024, Dr. Powers' most billed Medicare services were heart test or procedure (93010), office visit, established patient (99214) and heart test or procedure (93306).

Where did Dr. James B. Powers go to medical school?

Dr. Powers graduated from University of Vermont College of Medicine in 1991.

What drugs does Dr. James B. Powers prescribe most?

In 2024 Medicare Part D data, Dr. Powers' most prescribed drugs by claims were Metoprolol Succinate, Rosuvastatin Calcium and Atorvastatin Calcium.

Has Dr. James B. Powers received payments from drug or device companies?

CMS Open Payments shows $169 in general payments to Dr. Powers from 2 companies from 2019 to 2023. The largest total came from Inari Medical, Inc.

How long has Dr. James B. Powers been practicing?

Dr. Powers graduated from medical school in 1991, 35 years ago.

Does Dr. James B. Powers do research?

Dmand AI links 1 publication to Dr. Powers.

Who does Dr. James B. Powers publish with?

Dr. Powers' most frequent co-authors are Marco Diaz, MD (1 shared paper), Justin M. Poltak, MD (1 shared paper) and Reed D. Quinn, MD (1 shared paper).

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