Physician Profile
Unclaimed ProfileAbout GREGSTON
Jay Lance Gregston, M.D. is a healthcare provider in Duncan, OK specialising in emergency medicine. Jay trained at University of Oklahoma College of Medicine, graduating in 1996. Jay is also listed as specialising in family medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Gregston's specialty?
Dr. Gregston is an emergency medicine in Duncan, OK. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “EMERGENCY MEDICINE”.
NPI registry
Where can I find Dr. Gregston?
Dr. Gregston is listed at 2004 N HIGHWAY 81, Duncan, OK 73533. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Gregston?
The number on file is (580) 252-1911. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Gregston's NPI number?
Dr. Gregston's National Provider Identifier is 1871581512. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Gregston's medical education?
Dr. Gregston attended University of Oklahoma College of Medicine, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Gregston been practising?
Dr. Gregston has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Gregston known for?
According to Medicare billing data, Dr. Gregston performs imaging including x-ray of chest, 2 views; provides treatments such as inhalation treatment for airway obstruction or sputum production, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Gregston confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gregston. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (580) 252-1911
- Email not available
Practice Locations
2004 N HIGHWAY 81
Duncan, OK 73533
Procedures Most Often Billed to Medicare
2,367 services · 1,616 patients · 16 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| X-ray of chest, 2 views | Imaging | 71046 |
94 |
| Inhalation treatment for airway obstruction or sputum production | Treatment | 94640 |
31 |
| Injection, ceftriaxone sodium, per 250 mg | Drug given | J0696 |
432 |
| Injection, ketorolac tromethamine, per 15 mg | Drug given | J1885 |
173 |
| Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg | Drug given | J0702 |
119 |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
52 |
| Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme | Drug given | J7620 |
26 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
473 |
| Detection test by immunoassay with direct visual observation for influenza virus | Lab test | 87804 |
258 |
| Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) | Lab test | 87811 |
244 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other emergency medicines in Duncan 3
Same specialty, same city.
Trained at University of Oklahoma College of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1996 at University of Oklahoma College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 2 views 8
Providers in OK who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.