Johnny D. Duncan, DO
Neuromuscular Medicine (Physical Medicine & Rehabilitation) Physician · Lawton, OK
Johnny D. Duncan, DO is a neuromuscular medicine (physical medicine & rehabilitation) physician with a practice address in Lawton, Oklahoma, and NPI 1790771095, issued on Sep 22, 2005. Check the license (Oklahoma 3110, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Johnny D. Duncan
- Credential
- DO
- Primary taxonomy
- Neuromuscular Medicine (Physical Medicine & Rehabilitation) Physician 2081N0008X
- License number
- 3110 OK
Self-reported in NPPES; status is on the state search - Practice location
- 3201 W Gore Blvd Ste 201, Lawton, OK 73505
- Phone
- (805) 250-6659
- Enumerated
- Sep 22, 2005
- Record last updated
- Aug 21, 2023
- Fax
- (580) 250-5249
- Medicaid ID
- 100765610B OK
- Medicare enrollment
- Enrolled (PECOS I20100203000508); accepts Medicare assignment
- Medical or professional school
- Oklahoma State University College Of Osteopathic Medicine, 1992
- Entity
- Type 1 · individual
1 nearest neuromuscular medicine (physical medicine & rehabilitation) physician record → All 2 in Oklahoma → Look up another NPI →
Verify Johnny D. Duncan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 3110Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average neuromuscular medicine (physical medicine & rehabilitation) physician in 2024
229 Medicare Part D claims for 51 beneficiaries, against an average of 577 among the 41 providers of this specialty who prescribed in Part D. 74 claims were for opioids.
Most prescribed
- Methylprednisolone48 claims
- Tramadol Hcl44 claims
- Gabapentin24 claims
- Acetaminophen-Codeine13 claims
- Pregabalin12 claims
- Tizanidine Hcl12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $5,500.00
1 payment: consulting fee; the largest payer was Zentech Inc. The 29 providers of this specialty with any payment received $2,958.76 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Comanche County Healthcare CorporationLawton, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Neuromuscular Medicine (Physical Medicine & Rehabilitation) Physician providers in Oklahoma
There are 2 neuromuscular medicine (physical medicine & rehabilitation) physician records in Oklahoma.
All 2 in Oklahoma → Every provider in Lawton → Neuromuscular Medicine (Physical Medicine & Rehabilitation) Physician nationwide →
The 1 neuromuscular medicine (physical medicine & rehabilitation) physician record with the nearest ZIP codes
- Stephen Klassen, PT, MPT, CERT. MDTNorman, OK 730691558489385
Common questions
What is Johnny D. Duncan, DO's NPI number?
Johnny D. Duncan, DO's National Provider Identifier (NPI) is 1790771095, issued on Sep 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Johnny D. Duncan, DO located?
The NPPES record lists a practice address at 3201 W Gore Blvd Ste 201, Lawton, OK, 73505. Phone: (805) 250-6659. Providers update this record themselves, so call before visiting.
How can I verify Johnny D. Duncan, DO's license?
NPPES lists Oklahoma license number 3110, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Johnny D. Duncan, DO prescribe under Medicare Part D?
In 2024, Johnny D. Duncan, DO had 229 Medicare Part D claims for 51 beneficiaries; the average among neuromuscular medicine (physical medicine & rehabilitation) physician prescribers was 577. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.