Dr. Brian Gillam Birdwell, MD

  • Lawton, OK
  • Internist
NPI1013909605
Part D claims, 2024
3,526
Hospital affiliations
1
Industry payments
$90
Medical group
1
State license
1
Practice address
3401 West Gore Blvd, Lawton, OK 73505
Practice phone
Call (580) 355-8620
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

See all 3 affiliations

Find Dr. Birdwell's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Dr. Brian Gillam Birdwell is an internist in Lawton, Oklahoma

Dr. Birdwell practices at Memorial Health System of Southwest Oklahoma in Lawton, Oklahoma, part of Memorial Health System of Southwest Oklahoma.

Dr. Birdwell's NPI, 1013909605, was assigned on August 18, 2005. Dr. Birdwell holds Oklahoma license 13900.

NPI and contact details
NPI enumeration date
August 18, 2005
NPI status
Active
Practice phone
(580) 355-8620
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male

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

Dr. Brian Gillam Birdwell practices at Memorial Health System of Southwest Oklahoma in Lawton, Oklahoma

Dr. Birdwell's primary practice is Memorial Health System of Southwest Oklahoma, at 3401 West Gore Blvd, Lawton, OK 73505 in Comanche County. The practice phone is (580) 355-8620.

Source: Dmand AI Affiliation Data

Dr. Brian Gillam Birdwell is affiliated with 2 sites of care and 1 medical group

Dr. Birdwell's primary practice is Memorial Health System of Southwest Oklahoma in Lawton, Oklahoma, part of Memorial Health System of Southwest Oklahoma. The medical group on file is RP Eagle. Dmand AI also links Dr. Birdwell to 1 more community health center, named with a free account.

See all 3 affiliations for Dr. Birdwell

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

Dmand AI tracks the EHR system at Dr. Brian Gillam Birdwell's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Birdwell practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Memorial Health System of Southwest OklahomaAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Birdwell practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Memorial Health System of Southwest Oklahoma and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Brian Gillam Birdwell is one of 1,018 internists in Oklahoma

Internal medicine is Dr. Birdwell's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Birdwell is licensed in Oklahoma.

Specialties and state licenses

  • Internal medicine, OklahomaPrimaryLicense 13900 · taxonomy 207R00000X

Internists near Dr. Birdwell

Counts of internists 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. Brian Gillam Birdwell's patients have a median age of 72

Across all payers, Dmand AI patient panel data puts Dr. Birdwell's median patient age at 72, with 61% women.

Dr. Birdwell's patients across all payers

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

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women61%
  • Men39%

Source: Dmand AI Patient Panel Data

Dr. Brian Gillam Birdwell wrote 3,526 Medicare Part D claims in 2024

In 2024, Dr. Birdwell wrote 3,526 Medicare Part D claims for 154 patients. 86% of them were for generic drugs. CMS names the drug for 2,904 of them, across 81 drugs with 11 or more claims each, at $238,248 in total drug cost. In 2023, CMS named 2,515 claims across 77 drugs.

Part D claims, 20243,526
Drugs named by CMS81
Total drug cost$238,248
Part D patients154

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

  • Generic3,047 claims86%
  • Brand-name468 claims13%
  • Other11 claims0%

Dr. Birdwell'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. Birdwell's Part D claims, 2024

  • Opioids8%267 of 3,526 claims
  • Antibiotics2%84 of 3,526 claims
  • Antipsychotics, patients 65 and over1%24 of 3,526 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: 2,5152024: 2,90415%

Drugs named by CMS: 81 in 2024, 77 in 2023.

See all prescribing by Dr. Birdwell

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

For MedTech and pharma teams

Find internists like Dr. Birdwell by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Brian Gillam Birdwell received $90 in industry payments from 2017 to 2022

CMS Open Payments shows 3 general payments to Dr. Birdwell from 3 drug and device companies from 2017 to 2022. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $64.

General payments to Dr. Birdwell by program year, 2017 to 2022

Companies that paid Dr. Birdwell the most, 2017 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Birdwell

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

Sources for Dr. Brian Gillam Birdwell'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 patients and the all-payer patient panelDmand AI Patient Panel Data
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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Brian Gillam Birdwell

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. Brian Gillam Birdwell's NPI number?

Dr. Brian Gillam Birdwell's NPI number is 1013909605. It was assigned on August 18, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Brian Gillam Birdwell?

Dr. Brian Gillam Birdwell is an internist in Lawton, Oklahoma. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Brian Gillam Birdwell practice?

Dr. Birdwell practices at 3401 West Gore Blvd, Lawton, OK 73505. Dr. Birdwell's primary practice is Memorial Health System of Southwest Oklahoma in Lawton, Oklahoma, part of Memorial Health System of Southwest Oklahoma. Dmand AI also links Dr. Birdwell to 1 community health center.

What is Dr. Brian Gillam Birdwell's office phone number?

The practice phone on file for Dr. Birdwell is (580) 355-8620.

What is Dr. Brian Gillam Birdwell's medical license number?

Dr. Birdwell holds Oklahoma license 13900.

Which hospitals is Dr. Brian Gillam Birdwell affiliated with?

Dr. Birdwell practices at Memorial Health System of Southwest Oklahoma in Lawton, Oklahoma.

What medical group is Dr. Brian Gillam Birdwell part of?

Dr. Birdwell is linked to RP Eagle.

What drugs does Dr. Brian Gillam Birdwell prescribe most?

In 2024 Medicare Part D data, Dr. Birdwell's most prescribed drugs by claims were Levothyroxine Sodium, Amlodipine Besylate and Potassium Chloride.

Has Dr. Brian Gillam Birdwell received payments from drug or device companies?

CMS Open Payments shows $90 in general payments to Dr. Birdwell from 3 companies from 2017 to 2022. The largest total came from Medtronic, Inc.

How long has Dr. Brian Gillam Birdwell been practicing?

Dr. Birdwell's NPI was assigned in 2005.

Selling to internal medicine practices?

See internists in Oklahoma by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)