Dr. John William Douglas, MD
- Medicare services, 2024
- 399
- Medicare patients, 2024
- 201
- Part D claims, 2024
- 118
- Hospital affiliations
- 2
- Industry payments
- $13,281
- Practice address
- 4500 13th Street, Gulfport, MS 39502
- Practice phone
- Call (228) 867-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. John William Douglas is a sleep medicine (internal medicine) physician in Gulfport, Mississippi
Dr. Douglas practices at Memorial Hospital Gulfport in Gulfport, Mississippi, part of Gulfport Main Street Association.
Dr. Douglas' NPI, 1972530335, was assigned on June 28, 2006. Dr. Douglas graduated from Louisiana State University School of Medicine in New Orleans in 1975. Dr. Douglas holds Mississippi license 8130.
- NPI
- 1972530335NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8123021797
- NPI enumeration date
- June 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (228) 867-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 77
- Medical school graduation
- 1975
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John William Douglas practices at Memorial Hospital Gulfport in Gulfport, Mississippi
Dr. Douglas' primary practice is Memorial Hospital Gulfport, at 4500 13th Street, Gulfport, MS 39502 in Harrison County. The practice phone is (228) 867-4000.
- Memorial Hospital Gulfport4500 13th Street, Gulfport, MS 39502 · Harrison CountyPhone(228) 867-4000
Source: Dmand AI Affiliation Data
Dr. John William Douglas is affiliated with 3 sites of care and 1 medical group
Dr. Douglas' primary practice is Memorial Hospital Gulfport in Gulfport, Mississippi, part of Gulfport Main Street Association. Dr. Douglas is also affiliated with Singing River Gulfport. The medical group on file is Memorial Hospital at Gulfport. Dmand AI also links Dr. Douglas to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John William Douglas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Douglas practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Memorial Hospital Gulfport | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Gulfport Main Street Association and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John William Douglas is one of 6 sleep medicine (internal medicine) physicians in Mississippi
Internal medicine is Dr. Douglas' primary specialty in the NPI Registry, under taxonomy code 207RS0012X. The record also lists sleep medicine. Dr. Douglas is licensed in Mississippi.
Specialties and state licenses
- Sleep medicine (internal medicine), MississippiPrimary
Sleep medicine (internal medicine) physicians near Dr. Douglas
Counts of sleep medicine (internal medicine) physicians 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. John William Douglas billed Medicare for 399 services in 2024
CMS data shows 399 Medicare services from Dr. Douglas across 10 procedure codes in 2024, for 201 Medicare patients. Medicare paid $27,571 for them.
Dr. Douglas' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 3252024: 25222%
- Office and hospital visits
- 2023: 2432024: 14740%
Where Dr. Douglas' Medicare services took place, 2024
- In an office14737%
- In a facility25263%
Dr. Douglas' 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.
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Source: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data
Dr. John William Douglas treated 201 Medicare patients in 2024, average age 72
CMS counts 201 Medicare patients who saw Dr. Douglas in 2024. The largest group is 65 to 74, with 114 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.20, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Douglas' median patient age at 70, with 49% women.
Dr. Douglas' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Douglas' Medicare patients by sex, 2024
- Women10050%
- Men10150%
Chronic conditions among Dr. Douglas' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis59%
- Ischemic heart disease40%
- Diabetes38%
- Anxiety33%
- Atrial fibrillation31%
- Mood disorders27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Douglas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women49%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John William Douglas wrote 118 Medicare Part D claims in 2024
In 2024, Dr. Douglas wrote 118 Medicare Part D claims for 37 patients. 81% of them were for generic drugs. CMS names the drug for 40 of them, across 3 drugs with 11 or more claims each, at $113 in total drug cost. In 2023, CMS named 42 claims across 3 drugs.
Dr. Douglas' Part D claims by kind of drug, 2024
- Generic96 claims81%
- Brand-name22 claims19%
Dr. Douglas' 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: 422024: 405%
Drugs named by CMS: 3 in 2024, 3 in 2023.
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
How Dr. John William Douglas takes part in Medicare
Dr. Douglas accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. John William Douglas received $13,281 in industry payments from 2016 to 2025
CMS Open Payments shows 537 general payments to Dr. Douglas from 48 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 93% of the total. GlaxoSmithKline, LLC. paid the most, $2,825.
General payments to Dr. Douglas by program year, 2016 to 2025
General payments to Dr. Douglas by kind, 2016 to 2025
- Food and beverage$12,29193%
- Speaker and faculty fees$8006%
- Education$1901%
Companies that paid Dr. Douglas the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John William Douglas graduated from Louisiana State University School of Medicine in New Orleans
Dr. Douglas graduated from Louisiana State University School of Medicine in New Orleans in 1975.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John William Douglas'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. John William Douglas
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. John William Douglas' NPI number?
Dr. John William Douglas' NPI number is 1972530335. It was assigned on June 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John William Douglas?
Dr. John William Douglas is a sleep medicine (internal medicine) physician in Gulfport, Mississippi. The primary specialty in the NPI Registry is Sleep Medicine (Internal Medicine) Physician (taxonomy code 207RS0012X).
Where does Dr. John William Douglas practice?
Dr. Douglas practices at 4500 13th Street, Gulfport, MS 39502. Dr. Douglas' primary practice is Memorial Hospital Gulfport in Gulfport, Mississippi, part of Gulfport Main Street Association. Dmand AI also links Dr. Douglas to 1 group practice or clinic.
What is Dr. John William Douglas' office phone number?
The practice phone on file for Dr. Douglas is (228) 867-4000.
What is Dr. John William Douglas' medical license number?
Dr. Douglas holds Mississippi license 8130.
Which hospitals is Dr. John William Douglas affiliated with?
Dr. Douglas practices at Memorial Hospital Gulfport in Gulfport, Mississippi. Dr. Douglas is also affiliated with Singing River Gulfport.
What medical group is Dr. John William Douglas part of?
Dr. Douglas is linked to Memorial Hospital at Gulfport.
Does Dr. John William Douglas accept Medicare?
Yes. CMS data shows Dr. Douglas billed Medicare for 399 services in 2024, and Dr. Douglas accepts Medicare assignment.
How many Medicare patients does Dr. John William Douglas see?
CMS counts 201 Medicare patients who saw Dr. Douglas in 2024, with an average age of 72.
What services does Dr. John William Douglas bill to Medicare?
In 2024, Dr. Douglas' most billed Medicare services were nerve and brain test (95810), nerve and brain test (95811) and office visit, new patient (99204).
Show 4 more questionsShow fewer questions
Where did Dr. John William Douglas go to medical school?
Dr. Douglas graduated from Louisiana State University School of Medicine in New Orleans in 1975.
What drugs does Dr. John William Douglas prescribe most?
In 2024 Medicare Part D data, Dr. Douglas' most prescribed drugs by claims were Trazodone HCl, Pramipexole Dihydrochloride and Zolpidem Tartrate.
Has Dr. John William Douglas received payments from drug or device companies?
CMS Open Payments shows $13,281 in general payments to Dr. Douglas from 48 companies from 2016 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. John William Douglas been practicing?
Dr. Douglas graduated from medical school in 1975, 51 years ago.
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