Dr. James Parker Callaway, MD

  • Birmingham, AL
  • Gastroenterologist
NPI1215198577PAC ID3173701190
Medicare services, 2024
412
Medicare patients, 2024
255
Part D claims, 2024
376
Publications
5
Hospital affiliations
1
Practice address
619 19th S St, Birmingham, AL 35211
Practice phone
Call (205) 731-9770
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

University of Alabama Birmingham Hospital

Birmingham, Alabama

See all 4 affiliations

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Dr. James Parker Callaway is a gastroenterologist in Birmingham, Alabama

Dr. Callaway practices at University of Alabama Birmingham Hospital in Birmingham, Alabama.

Dr. Callaway's NPI, 1215198577, was assigned on June 19, 2008. Dr. Callaway graduated from Medical College of Georgia School of Medicine in 2008. Dr. Callaway holds Alabama license 29881.

NPI and contact details
Medicare PAC ID
3173701190
NPI enumeration date
June 19, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(205) 731-9770
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
44
Medical school graduation
2008

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

Dr. James Parker Callaway practices at University of Alabama Birmingham Hospital in Birmingham, Alabama

Dr. Callaway's primary practice is University of Alabama Birmingham Hospital, at 619 19th S St, Birmingham, AL 35211 in Jefferson County. The practice phone is (205) 731-9770.

  • University of Alabama Birmingham Hospital
    619 19th S St, Birmingham, AL 35211 · Jefferson CountyPhone(205) 731-9770

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. James Parker Callaway is affiliated with 2 sites of care and 2 medical groups

Dr. Callaway's primary practice is University of Alabama Birmingham Hospital in Birmingham, Alabama. Dr. Callaway is also affiliated with UAB Hospital. The medical group on file is UAB Medicine. Dmand AI also links Dr. Callaway to 1 more medical group, named with a free account.

See all 4 affiliations for Dr. Callaway

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. James Parker Callaway's practice

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

EHR by site
SiteEHR vendor and product
University of Alabama Birmingham HospitalAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. James Parker Callaway is one of 206 gastroenterologists in Alabama

Gastroenterology is Dr. Callaway's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Callaway is licensed in Alabama.

Specialties and state licenses

  • Gastroenterology, AlabamaPrimaryLicense 29881 · taxonomy 207RG0100X

Gastroenterologists near Dr. Callaway

Counts of gastroenterologists 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 Parker Callaway billed Medicare for 412 services in 2024

CMS data shows 412 Medicare services from Dr. Callaway across 11 procedure codes in 2024, for 255 Medicare patients. Medicare paid $30,317 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024412
Medicare patients255
Paid by Medicare$30,317
Procedure codes11

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

  • 2023
  • 2024
Surgery
2023: 1572024: 17914%
Tests and treatments
2023: 1902024: 15021%
Office and hospital visits
2023: 1062024: 8322%

Dr. Callaway compared with the Alabama median for gastroenterologists, 2024

  • Dr. Callaway
  • Alabama median
Medicare services
412vs 48014% below
Medicare patients
255vs 28711% below
Part D claims
259vs 61158% below

Medians across 207 gastroenterologists in Alabama with Dmand AI profiles that report each measure.

Dr. Callaway'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. Callaway

Need commercial claims for Dr. Callaway?

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

Dr. James Parker Callaway treated 255 Medicare patients in 2024, average age 69

CMS counts 255 Medicare patients who saw Dr. Callaway in 2024. The largest group is 65 to 74, with 105 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.76, 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. Callaway's median patient age at 62, with 66% women.

Medicare patients, 2024255
Average age69
Average risk score1.76
Also on Medicaid16%

Dr. Callaway's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Callaway's Medicare patients by sex, 2024

  • Women16063%
  • Men9537%

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

  1. High blood pressure75%
  2. High cholesterol74%
  3. Arthritis62%
  4. Anxiety38%
  5. Ischemic heart disease37%
  6. Mood disorders36%
  7. Depression34%
  8. COPD31%

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

Dr. Callaway's patients across all payers

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

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women66%
  • Men34%

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

Dr. James Parker Callaway wrote 376 Medicare Part D claims in 2024

In 2024, Dr. Callaway wrote 376 Medicare Part D claims for 113 patients. 71% of them were for generic drugs. CMS names the drug for 259 of them, across 12 drugs with 11 or more claims each, at $749,073 in total drug cost. In 2023, CMS named 222 claims across 10 drugs.

Part D claims, 2024376
Drugs named by CMS12
Total drug cost$749,073
Part D patients113

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

  • Generic268 claims71%
  • Brand-name108 claims29%

Dr. Callaway'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.

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

  • Opioids5%18 of 376 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: 2222024: 25917%

Drugs named by CMS: 12 in 2024, 10 in 2023.

See all prescribing by Dr. Callaway

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 Parker Callaway ranks in the 94th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare

Dr. Callaway accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Callaway as offering telehealth. CMS counts 268 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Callaway, more than 94% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Callaway ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
94th percentile268 procedures
Colonoscopy
51st percentile25 procedures

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

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. James Parker Callaway has 5 publications on record

Dmand AI links 5 papers to Dr. Callaway, published from 2018 to 2025. The most frequent topics are Manometry. Dr. Callaway has published most often in Abdom Radiol (NY). Dr. Callaway's most frequent co-authors are Desiree E. Morgan, Michael F. Vaezi, MD, PhD and Jessica Garrette Zarzour.

Papers5
Years published2018 to 2025

Dr. Callaway's papers by year, 2018 to 2025

Topics Dr. Callaway writes about most

  • Manometry

Dr. Callaway's most frequent co-authors

Recent publications by Dr. Callaway

See all 5 publications and co-authors

See who Dr. Callaway researches with

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

How network discovery works

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

Dr. James Parker Callaway received $16,132 in industry payments from 2016 to 2025

CMS Open Payments shows 75 general payments to Dr. Callaway from 25 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 62% of the total. Sanofi and Genzyme US Companies paid the most, $10,776.

General payments to Dr. Callaway by program year, 2016 to 2025

General payments to Dr. Callaway by kind, 2016 to 2025

$16.1Kin total
  • Consulting fees$10,00862%
  • Food and beverage$4,22626%
  • Travel and lodging$1,2077%
  • Speaker and faculty fees$6004%
  • Gifts$911%

Companies that paid Dr. Callaway the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Callaway

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

Dr. James Parker Callaway graduated from Medical College of Georgia School of Medicine

Dr. Callaway graduated from Medical College of Georgia School of Medicine in 2008.

  1. Medical schoolMedical College of Georgia School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. James Parker Callaway'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)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)
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 Parker Callaway

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 Parker Callaway's NPI number?

Dr. James Parker Callaway's NPI number is 1215198577. It was assigned on June 19, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. James Parker Callaway?

Dr. James Parker Callaway is a gastroenterologist in Birmingham, Alabama. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. James Parker Callaway practice?

Dr. Callaway practices at 619 19th S St, Birmingham, AL 35211. Dr. Callaway's primary practice is University of Alabama Birmingham Hospital in Birmingham, Alabama. Dmand AI also links Dr. Callaway to 1 medical group.

What is Dr. James Parker Callaway's office phone number?

The practice phone on file for Dr. Callaway is (205) 731-9770.

What is Dr. James Parker Callaway's medical license number?

Dr. Callaway holds Alabama license 29881.

Which hospitals is Dr. James Parker Callaway affiliated with?

Dr. Callaway is affiliated with UAB Hospital.

What medical group is Dr. James Parker Callaway part of?

Dr. Callaway is linked to UAB Medicine. Dmand AI links Dr. Callaway to 1 more medical group.

Does Dr. James Parker Callaway accept Medicare?

Yes. CMS data shows Dr. Callaway billed Medicare for 412 services in 2024, and Dr. Callaway accepts Medicare assignment.

Does Dr. James Parker Callaway offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Callaway as offering telehealth services.

How many Medicare patients does Dr. James Parker Callaway see?

CMS counts 255 Medicare patients who saw Dr. Callaway in 2024, with an average age of 69.

Show 7 more questionsShow fewer questions

What services does Dr. James Parker Callaway bill to Medicare?

In 2024, Dr. Callaway's most billed Medicare services were digestive system test (91010), surgery: digestive system (43248) and digestive system test (91038).

Where did Dr. James Parker Callaway go to medical school?

Dr. Callaway graduated from Medical College of Georgia School of Medicine in 2008.

What drugs does Dr. James Parker Callaway prescribe most?

In 2024 Medicare Part D data, Dr. Callaway's most prescribed drugs by claims were Omeprazole, Pantoprazole Sodium and Esomeprazole Magnesium.

Has Dr. James Parker Callaway received payments from drug or device companies?

CMS Open Payments shows $16,132 in general payments to Dr. Callaway from 25 companies from 2016 to 2025. The largest total came from Sanofi and Genzyme US Companies.

How long has Dr. James Parker Callaway been practicing?

Dr. Callaway graduated from medical school in 2008, 18 years ago.

Does Dr. James Parker Callaway do research?

Dmand AI links 5 publications to Dr. Callaway, published from 2018 to 2025.

Who does Dr. James Parker Callaway publish with?

Dr. Callaway's most frequent co-authors are Desiree E. Morgan (2 shared papers), Michael F. Vaezi, MD, PhD (2 shared papers) and Jessica Garrette Zarzour (2 shared papers).

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