DR. JAY LANCE GREGSTON (M.D.) – Emergency Medicine Physician, NPI 1871581512
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
747 EMERGENCY MEDICINE in OK
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Provider Addresses for DR. JAY LANCE GREGSTON (M.D.)
81, T Y Duncan Road, Pukeuri, Waitaki District, Otago, 9492, New Zealand
DUNCAN, OK 735331460
Phone: (580) 252-1911
Fax: (580) 252-5102
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2005-07-15
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20050715001036 | I | Emergency Medicine | OK | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 547 | 438 | $0 |
| J0696 | Injection, ceftriaxone sodium, per 250 mg | 509 | 105 | $0 |
| 87811 | Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) | 302 | 277 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 283 | 262 | $0 |
| 87804 | Detection test by immunoassay with direct visual observation for influenza virus | 233 | 115 | $0 |
Insurance plans in this area (ZIP 73533)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| EMERGENCY MEDICINE | OK | 81002 | Urinalysis, manual test | 82 | 77 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | OK | |
| Physician Assistant | OK | |
| Physician Assistant | OK | |
| Nurse Practitioner | OK | |
| Nurse Practitioner | OK | |
| Nurse Practitioner | OK |
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