Aliment Pharmacol Ther
Esophagitis, PepticGastroesophageal RefluxPrecision Medicine
Dr. Colin W. Howden, MD
NPI1891721445
- Medicare services, 2021
- 24
- Publications
- 104
- Industry payments
- $357,574
- State licenses
- 2
- Year NPI issued
- 2006
- Practice address
- 877 Jefferson Ave, Memphis, TN 38103
- Practice phone
- Call (901) 545-6969
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Howden's professional email, personal email and mobile number
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Dr. Colin W. Howden is a gastroenterologist in Memphis, Tennessee
Dr. Howden practices in Memphis, Tennessee.
Dr. Howden's NPI, 1891721445, was assigned on June 24, 2006. Dr. Howden holds Tennessee license 51752.
NPI and contact details
- NPI
- 1891721445NPI Registry (opens in a new tab)
- NPI enumeration date
- June 24, 2006
- NPI status
- Active
- Practice phone
- (901) 545-6969
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Colin W. Howden's practice address is in Memphis, Tennessee
Dr. Howden's practice address in the NPI Registry is 877 Jefferson Ave, Memphis, TN 38103. The practice phone is (901) 545-6969.
- NPI Registry address877 Jefferson Ave, Memphis, TN 38103Phone(901) 545-6969
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Colin W. Howden's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Howden practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Howden's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Colin W. Howden is one of 331 gastroenterologists in Tennessee
Gastroenterology is Dr. Howden's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Howden's licenses on file in 2 states: Tennessee and Illinois.
Specialties and state licenses
- Gastroenterology, TennesseePrimary
- Illinois license
Gastroenterologists near Dr. Howden
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. Colin W. Howden billed Medicare for 24 services in 2021
CMS data shows 24 Medicare services from Dr. Howden across 1 procedure code in 2021, all of them office visits. Medicare paid $1,607 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202124
Paid by Medicare$1,607
Procedure codes1
Dr. Howden's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 1082021: 2478%
Dr. Howden compared with the Tennessee median for gastroenterologists, 2021
- Dr. Howden
- Tennessee median
- Medicare services
- 24vs 64596% below
Medians across 330 gastroenterologists in Tennessee with Dmand AI profiles that report each measure.
Dr. Howden's most billed Medicare procedure codes, 2021
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Howden?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Howden and other gastroenterologists in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Colin W. Howden's patients have a median age of 59
Across all payers, Dmand AI patient panel data puts Dr. Howden's median patient age at 59, with 41% women.
Dr. Howden's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women41%
- Men55%
Source: Dmand AI Patient Panel Data
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Dr. Colin W. Howden has 104 publications on record
Dmand AI links 104 papers to Dr. Howden, published from 2011 to 2025. 2017 was the busiest year, with 9. The most frequent topics are Proton Pump Inhibitors, Gastroesophageal Reflux and Helicobacter Infections. Dr. Howden has published most often in Am J Gastroenterol. Dr. Howden's most frequent co-authors are William D. Chey, MD, Peter J. Kahrilas, MD and Sachit Sharma, MD.
Papers104
Years published2011 to 2025
Dr. Howden's papers by year, 2016 to 2025
Topics Dr. Howden writes about most
- Proton Pump Inhibitors
- Gastroesophageal Reflux
- Helicobacter Infections
- Helicobacter pylori
- Anti-Bacterial Agents
- Pyrroles
- Randomized Controlled Trials as Topic
- Esophagitis, Peptic
Dr. Howden's most frequent co-authors
- William D. Chey, MD11 shared papers
- Peter J. Kahrilas, MD11 shared papers
- Sachit Sharma, MD10 shared papers
Recent publications by Dr. Howden
AmoxicillinAnti-Bacterial AgentsArea Under Curve
Aliment Pharmacol Ther
EsomeprazoleEsophagitisEsophagitis, Peptic
CPT Pharmacometrics Syst Pharmacol
EsophagitisGastric AcidHistamine H2 Antagonists
See who Dr. Howden researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Howden works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Colin W. Howden received $357,574 in industry payments from 2016 to 2025
CMS Open Payments shows 355 general payments to Dr. Howden from 14 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 57% of the total. Phathom Pharmaceuticals, Inc. paid the most, $176,060. It also lists 2 research payments totaling $2,250 from 2017 to 2018.
General payments to Dr. Howden by program year, 2016 to 2025
General payments to Dr. Howden by kind, 2016 to 2025
$357.6Kin total
- Speaker and faculty fees$203,06757%
- Consulting fees$73,84921%
- Honoraria$37,50010%
- Travel and lodging$35,07810%
- Food and beverage$8,0792%
Companies that paid Dr. Howden the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Colin W. Howden's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Colin W. Howden
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. Colin W. Howden's NPI number?
Dr. Colin W. Howden's NPI number is 1891721445. It was assigned on June 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Colin W. Howden?
Dr. Colin W. Howden is a gastroenterologist in Memphis, Tennessee. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Colin W. Howden practice?
Dr. Howden practices at 877 Jefferson Ave, Memphis, TN 38103.
What is Dr. Colin W. Howden's office phone number?
The practice phone on file for Dr. Howden is (901) 545-6969.
What is Dr. Colin W. Howden's medical license number?
Dr. Howden holds Tennessee license 51752, one of the licenses on file in 2 states.
Which states has Dr. Colin W. Howden been licensed in?
Dmand AI has state licenses on file for Dr. Howden in Tennessee and Illinois.
Does Dr. Colin W. Howden accept Medicare?
Yes. CMS data shows Dr. Howden billed Medicare for 24 services in 2021.
What services does Dr. Colin W. Howden bill to Medicare?
In 2021, Dr. Howden's most billed Medicare services were office visit, established patient (99214).
Has Dr. Colin W. Howden received payments from drug or device companies?
CMS Open Payments shows $357,574 in general payments to Dr. Howden from 14 companies from 2016 to 2025. The largest total came from Phathom Pharmaceuticals, Inc.
How long has Dr. Colin W. Howden been practicing?
Dr. Howden graduated from medical school in 1985, 41 years ago.
Does Dr. Colin W. Howden do research?
Dmand AI links 104 publications to Dr. Howden, published from 2011 to 2025.
Who does Dr. Colin W. Howden publish with?
Dr. Howden's most frequent co-authors are William D. Chey, MD (11 shared papers), Peter J. Kahrilas, MD (11 shared papers) and Sachit Sharma, MD (10 shared papers).
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