Active NPI 1871581512 Individual Practitioner Male Practitioner

Dr. Jay Lance Gregston , MD

Emergency Medicine • Duncan, OK

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Jay Gregston, MD is a certified Emergency Medicine practicing in Duncan, OK. With approximately 30 years of clinical experience since graduating from University Of Oklahoma College Of Medicine in 1996, Dr. Gregston delivers high-quality medical care to the local community at 2004 N HIGHWAY 81.

Dr. Gregston is affiliated with Urgent Med Llc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, injection, ceftriaxone sodium, per 250 mg, detection test by immunoassay with direct visual observation for influenza virus. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2004 N Highway 81

Duncan, OK 735331449

Telephone 5802521911

Fax 5802521020

Associated Practice Facility / Clinic

🏢 Family Med Llc Facility NPI 1396959482

Medicare Profile & Education

Medical School

University Of Oklahoma College Of Medicine

Graduation Year

1996

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Emergency Medicine in Duncan, OK

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

30 Yrs +1.5 yrs vs City Avg

City Avg: 28.5 Yrs

State Avg: 25.0 Yrs

Regional Practice Density

5 Specialists

Practicing in Duncan, OK (784 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

43.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Gregston (30 Years) 30 Yrs

Duncan Specialty Average (28.5 Years) 28.5 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	473	407	$169.00	$116.70
J0696 Injection, ceftriaxone sodium, per 250 mg	432	97	$10.00	$0.45
87804 Detection test by immunoassay with direct visual observation for influenza virus	258	125	$35.00	$15.90
87811 Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19)	244	224	$55.00	$39.69
J1885 Injection, ketorolac tromethamine, per 15 mg	173	46	$15.00	$0.67
99213 Established patient office or other outpatient visit, typically 15 minutes	140	133	$149.00	$82.37
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	119	112	$20.00	$7.02
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	112	106	$27.00	$15.86
71046 X-ray of chest, 2 views	94	91	$75.00	$27.79
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	80	80	$169.00	$102.34
81002 Urinalysis, manual test	71	70	$20.00	$3.41
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	52	11	$7.00	$0.93
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	37	37	$175.00	$155.14
94640 Inhalation treatment for airway obstruction or sputum production	31	29	$32.00	$6.97
J7620 Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme	26	25	$40.00	$0.18
81003 Automated urinalysis test	25	23	$20.00	$2.20

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	547	438	$166.72	$116.01
J0696 Injection, ceftriaxone sodium, per 250 mg	509	105	$10.00	$0.50
87811 Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19)	302	277	$57.73	$38.72
99213 Established patient office or other outpatient visit, typically 15 minutes	283	262	$141.69	$82.60
87804 Detection test by immunoassay with direct visual observation for influenza virus	233	115	$35.00	$15.96
J1885 Injection, ketorolac tromethamine, per 15 mg	197	60	$15.00	$0.54
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	159	159	$166.06	$103.98
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	144	84	$20.00	$6.62
81002 Urinalysis, manual test	142	120	$20.00	$3.35
71046 X-ray of chest, 2 views	125	114	$75.00	$29.32
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	115	110	$27.00	$15.50
J7620 Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme	26	26	$40.00	$0.13
94640 Inhalation treatment for airway obstruction or sputum production	24	24	$30.25	$7.99
71101 X-ray of ribs on side of body, minimum of 3 views	19	19	$90.00	$37.28
J2930 Injection, methylprednisolone sodium succinate, up to 125 mg	16	15	$40.00	$4.96
90715 Diphtheria, tetanus, and acellular pertussis vaccine (7 years or older)	14	14	$80.00	$37.89
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	14	14	$203.21	$153.30
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage	13	13	$75.00	$73.50
G0008 Administration of influenza virus vaccine	13	13	$30.00	$28.68

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	429	375	$165.00	$119.08
87811 Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19)	283	254	$60.00	$40.48
J0696 Injection, ceftriaxone sodium, per 250 mg	237	45	$10.00	$0.50
99213 Established patient office or other outpatient visit, typically 15 minutes	192	181	$140.00	$84.59
87804 Detection test by immunoassay with direct visual observation for influenza virus	180	91	$35.00	$16.29
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	143	74	$20.00	$6.59
71046 X-ray of chest, 2 views	112	105	$75.00	$31.03
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	97	97	$165.00	$104.98
81002 Urinalysis, manual test	93	81	$20.00	$3.43
J1100 Injection, dexamethasone sodium phosphate, 1 mg	66	14	$4.00	$0.12
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	48	12	$7.00	$1.12
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	41	41	$225.00	$157.90
J1885 Injection, ketorolac tromethamine, per 15 mg	39	12	$15.00	$0.54
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	33	32	$27.00	$16.30
94640 Inhalation treatment for airway obstruction or sputum production	29	28	$30.00	$9.92
J7620 Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme	29	28	$40.00	$0.13
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage	20	20	$75.00	$70.25
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus	19	19	$60.00	$43.13
0013A Adm sarscov2 100mcg/0.5ml3rd	19	19	$50.00	$36.41
G0008 Administration of influenza virus vaccine	15	15	$30.00	$27.14
73630 X-ray of foot, minimum of 3 views	11	11	$65.00	$29.36

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	190	179	$161.29	$121.76
J0696 Injection, ceftriaxone sodium, per 250 mg	122	21	$10.00	$0.52
87811 Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19)	120	119	$60.00	$41.38
99213 Established patient office or other outpatient visit, typically 15 minutes	91	90	$137.14	$85.95
0011A Adm sarscov2 100mcg/0.5ml1st	78	78	$30.38	$27.71
0012A Adm sarscov2 100mcg/0.5ml2nd	75	73	$46.25	$36.83
87804 Detection test by immunoassay with direct visual observation for influenza virus	71	36	$35.00	$16.55
0013A Adm sarscov2 100mcg/0.5ml3rd	57	57	$50.00	$36.94
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus	55	51	$60.00	$45.23
71046 X-ray of chest, 2 views	54	52	$75.00	$30.53
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	51	51	$201.76	$159.71
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	39	20	$20.51	$7.01
81002 Urinalysis, manual test	33	31	$20.00	$3.48
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	20	20	$165.00	$98.46
G0008 Administration of influenza virus vaccine	18	18	$19.00	$15.73
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	15	15	$27.00	$16.53
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage	13	13	$68.00	$66.43

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	211	194	$144.08	$102.12
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus	170	166	$60.00	$44.96
99202 New patient office or other outpatient visit, typically 20 minutes	129	129	$129.46	$71.91
99213 Established patient office or other outpatient visit, typically 15 minutes	94	92	$127.39	$70.14
J0696 Injection, ceftriaxone sodium, per 250 mg	88	20	$10.00	$0.59
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	80	80	$165.00	$101.39
87804 Detection test by immunoassay with direct visual observation for influenza virus	67	35	$35.00	$15.88
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	61	33	$25.00	$6.95
86769 Measure of severe acute respiratory syndrome coronavirus 2 (covid-19) antibody	61	61	$98.36	$41.36
71046 X-ray of chest, 2 views	50	47	$75.00	$30.20
81002 Urinalysis, manual test	48	48	$20.00	$3.46
G0008 Administration of influenza virus vaccine	40	40	$19.00	$15.77
90662 Influenza vaccine split virus, preservative free	28	28	$62.00	$60.98
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	23	12	$25.00	$13.45
36415 Insertion of needle into vein for collection of blood sample	19	15	$12.00	$2.86
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	18	18	$27.00	$16.31
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	13	13	$39.00	$7.12
90756 Vaccine for influenza for injection into muscle	12	12	$27.92	$27.57

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	282	227	$140.00	$99.81
J0696 Injection, ceftriaxone sodium, per 250 mg	194	37	$10.00	$0.55
G0008 Administration of influenza virus vaccine	137	137	$19.00	$15.46
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	134	134	$155.30	$102.51
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	96	50	$25.00	$6.46
87804 Detection test by immunoassay with direct visual observation for influenza virus	90	47	$35.00	$15.36
90662 Influenza vaccine split virus, preservative free	82	82	$57.00	$54.89
J1100 Injection, dexamethasone sodium phosphate, 1 mg	80	16	$8.22	$0.10
81002 Urinalysis, manual test	77	69	$20.00	$3.37
99285 Emergency department visit for life threatening or functioning severity	64	63	$1828.39	$169.38
90756 Vaccine for influenza for injection into muscle	55	55	$27.00	$26.13
71046 X-ray of chest, 2 views	51	48	$75.00	$28.13
99213 Established patient office or other outpatient visit, typically 15 minutes	51	46	$125.10	$65.44
99283 Emergency department visit with low level of medical decision making	34	34	$617.18	$61.36
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	34	34	$27.00	$15.82
99284 Emergency department visit with moderate level of medical decision making	33	33	$1202.85	$116.38
36415 Insertion of needle into vein for collection of blood sample	23	17	$12.00	$2.94
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	21	21	$100.14	$8.32
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	19	11	$24.05	$13.71
99202 New patient office or other outpatient visit, typically 20 minutes	13	13	$123.08	$72.21
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$180.00	$158.14

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
G0008 Administration of influenza virus vaccine	126	126	$19.10	$18.63
J0696 Injection, ceftriaxone sodium, per 250 mg	108	17	$10.00	$0.59
99285 Emergency department visit for life threatening or functioning severity	97	89	$1959.00	$164.82
90662 Influenza vaccine split virus, preservative free	85	85	$54.00	$52.30
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	72	71	$140.00	$93.19
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	60	58	$94.37	$8.01
99284 Emergency department visit with moderate level of medical decision making	44	43	$1315.02	$111.38
90756 Vaccine for influenza for injection into muscle	38	38	$23.00	$22.33
99283 Emergency department visit with low level of medical decision making	33	31	$688.94	$58.66
87804 Detection test by immunoassay with direct visual observation for influenza virus	32	17	$35.00	$14.41
71046 X-ray of chest, 2 views	25	25	$75.00	$26.21
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	25	25	$163.40	$99.51
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	23	12	$15.65	$7.22
81002 Urinalysis, manual test	23	22	$20.00	$3.41
99213 Established patient office or other outpatient visit, typically 15 minutes	22	22	$123.41	$63.83
99291 Critical care, first 30-74 minutes	14	14	$2503.86	$210.56

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J0696 Injection, ceftriaxone sodium, per 250 mg	230	53	$10.00	$0.64
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	222	201	$140.00	$95.96
G0008 Administration of influenza virus vaccine	131	131	$23.00	$22.54
Q2037 Influenza virus vaccine, split virus, when administered to individuals 3 years of age and older, for intramuscular use (fluvirin)	131	131	$17.35	$16.80
87804 Detection test by immunoassay with direct visual observation for influenza virus	112	57	$35.00	$15.86
99285 Emergency department visit for life threatening or functioning severity	93	84	$1888.71	$167.50
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	71	36	$10.00	$6.09
99213 Established patient office or other outpatient visit, typically 15 minutes	71	65	$126.13	$65.21
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	65	65	$165.00	$97.49
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	63	60	$92.52	$8.09
81002 Urinalysis, manual test	56	52	$20.00	$2.88
71020 X-ray of chest, 2 views, front and side	53	52	$75.00	$24.01
99284 Emergency department visit with moderate level of medical decision making	34	31	$1274.74	$114.27
99283 Emergency department visit with low level of medical decision making	29	28	$671.90	$60.20
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	25	25	$27.00	$16.11
J7620 Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme	22	21	$40.00	$0.15
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	22	22	$37.00	$9.66
94640 Inhalation treatment for airway obstruction or sputum production	21	21	$30.00	$14.98
99202 New patient office or other outpatient visit, typically 20 minutes	20	20	$125.00	$65.62
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	18	14	$23.00	$20.16
99291 Critical care, first 30-74 minutes	12	12	$2419.08	$215.85

Medical Specialties & State Licenses

CMS Verified: 2026-08-03

Emergency Medicine Primary Specialty

NUCC Taxonomy Code: 207P00000X

State License OK 20226

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

Family Medicine

NUCC Taxonomy Code: 207Q00000X

State License OK 20226

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

100254370A (OK)

Medicaid State Provider ID

200069940A (OK)

Medicaid State Provider ID

200116880B (OK)

Medicaid State Provider ID

100254370B (OK)

Medicaid State Provider ID

200116880A (OK)

Hospital & Practice Group Affiliations

Urgent Med Llc

2004 N Hwy 81, Duncan, OK 735331449

Phone: 5802521911

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

1 Associated Practitioners

Dr. Sallie Waters , MD

Family Medicine

NPI 1982773685

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

10 Historical Events

📍

Updated Practice Location August 03, 2026

Registered at 2004 N HIGHWAY 81, DUNCAN, OK 735331449 (Tel: 5802521911)

📍

Updated Business Mailing Address August 03, 2026

Registered at 2004 N HIGHWAY 81, DUNCAN, OK 735331449 (Tel: 5802521911)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 03, 2026

Family Medicine (License #20226 in OK)

✅

NPI Profile Active January 17, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location January 17, 2012

Registered at 2004 N HIGHWAY 81, DUNCAN, OK 735331460 (Tel: 5802521911)

📍

Updated Business Mailing Address January 17, 2012

Registered at 2004 N HIGHWAY 81, DUNCAN, OK 735331460 (Tel: 5802521911)

👤

Provider Name / Credentials Updated January 17, 2012

Recorded as JAY GREGSTON, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 17, 2012

Emergency Medicine (License #20226 in OK)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 17, 2012

Family Medicine (License #20226 in OK)

🟢

Initial NPI Registration & Enumeration October 06, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1871581512

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: October 06, 2005

Last Update: August 03, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2004 N Highway 81

Duncan, OK 735331449

Phone: 5802521911

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.