Active NPI 1518958784 Individual Practitioner Male Practitioner

Dr. John L Hemmer , MD

Orthopaedic Surgery • Gainesville, GA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. John Hemmer, MD is a certified Orthopaedic Surgery practicing in Gainesville, GA. With approximately 55 years of clinical experience since graduating from Medical College Of Georgia School Of Medicine in 1971, Dr. Hemmer delivers high-quality medical care to the local community at 1240 JESSE JEWELL PKWY SE.

Dr. Hemmer is affiliated with Specialty Orthopaedics Pc and accepts Medicare assignment.

Frequently performed procedures and clinical services include injection, methylprednisolone acetate, 1 mg, established patient outpatient office visit, x-ray of lower and sacral spine, 2-3 views. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1240 Jesse Jewell Pkwy Se
Suite 300

Gainesville, GA 305013862

Telephone 7705327202

Fax 7705362767

Associated Practice Facility / Clinic

🏢 Specialty Orthopaedics Surgery Center Facility NPI 1588620306

Medicare Profile & Education

Medical School

Medical College Of Georgia School Of Medicine

Graduation Year

1971

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Orthopaedic Surgery in Gainesville, GA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

55 Yrs +31.5 yrs vs City Avg

City Avg: 23.5 Yrs

State Avg: 23.7 Yrs

Regional Practice Density

23 Specialists

Practicing in Gainesville, GA (797 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

83.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Hemmer (55 Years) 55 Yrs

Gainesville Specialty Average (23.5 Years) 23.5 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
J1010 Injection, methylprednisolone acetate, 1 mg	3,140	30	$0.85	$0.13
99213 Established patient office or other outpatient visit, typically 15 minutes	231	132	$509.91	$84.34
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	113	76	$733.91	$119.02
72100 X-ray of lower and sacral spine, 2-3 views	60	55	$216.38	$35.69
20610 Aspiration and/or injection of fluid from large joint	41	25	$425.35	$66.67
73521 X-ray of both hips, 2 views	36	35	$243.56	$36.94
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	36	30	$312.96	$52.28
72148 MRI scan of lower spinal canal	21	21	$1016.94	$176.70
73562 X-ray of knee, 3 views	21	18	$234.37	$36.45
20552 Injections of trigger points in 1 or 2 muscles	18	15	$283.33	$48.79
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	17	17	$599.77	$104.19
73030 X-ray of shoulder, minimum of 2 views	16	14	$206.18	$31.25
72040 X-ray of upper spine, 2-3 views	16	16	$233.76	$35.50

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	244	139	$238.82	$84.20
J1030 Injection, methylprednisolone acetate, 40 mg	76	23	$20.96	$7.67
20610 Aspiration and/or injection of fluid from large joint	60	35	$206.37	$67.97
72100 X-ray of lower and sacral spine, 2-3 views	53	50	$114.57	$36.07
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	44	39	$151.60	$52.42
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	42	40	$367.27	$119.59
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	33	33	$294.03	$105.28
72148 MRI scan of lower spinal canal	29	28	$649.14	$179.52
J1040 Injection, methylprednisolone acetate, 80 mg	28	23	$33.38	$10.95
73560 X-ray of knee, 1-2 views	19	14	$99.08	$30.99
73502 X-ray of hip, 2-3 views	17	15	$129.40	$40.52
73562 X-ray of knee, 3 views	12	12	$119.86	$36.76

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	226	125	$130.28	$85.67
J1030 Injection, methylprednisolone acetate, 40 mg	134	47	$13.90	$6.35
20610 Aspiration and/or injection of fluid from large joint	65	45	$217.77	$70.32
73562 X-ray of knee, 3 views	48	39	$128.00	$37.55
72100 X-ray of lower and sacral spine, 2-3 views	40	38	$138.00	$36.75
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	36	32	$193.89	$120.86
73502 X-ray of hip, 2-3 views	28	26	$130.00	$43.18
73030 X-ray of shoulder, minimum of 2 views	25	18	$132.00	$31.83
72148 MRI scan of lower spinal canal	23	22	$1946.00	$187.46
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	17	17	$186.76	$106.20
73721 Mri scan of leg joint without contrast	15	15	$1654.00	$196.55
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	14	14	$295.00	$158.53
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	12	11	$76.00	$53.34

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	314	188	$116.00	$86.49
J1030 Injection, methylprednisolone acetate, 40 mg	176	70	$14.00	$5.62
20610 Aspiration and/or injection of fluid from large joint	91	68	$207.75	$66.49
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	50	50	$175.00	$103.86
73562 X-ray of knee, 3 views	47	40	$128.00	$36.46
72100 X-ray of lower and sacral spine, 2-3 views	41	39	$138.00	$35.06
73502 X-ray of hip, 2-3 views	35	31	$130.00	$42.68
73030 X-ray of shoulder, minimum of 2 views	23	15	$132.00	$28.73
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	23	20	$76.00	$51.14
73630 X-ray of foot, minimum of 3 views	19	17	$118.00	$31.42
72148 MRI scan of lower spinal canal	18	18	$1946.00	$180.60
73610 X-ray of ankle, minimum of 3 views	17	12	$128.00	$33.56
73721 Mri scan of leg joint without contrast	11	11	$1654.00	$206.49

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	352	207	$116.00	$71.42
J1030 Injection, methylprednisolone acetate, 40 mg	132	60	$13.79	$5.75
20610 Aspiration and/or injection of fluid from large joint	102	64	$232.84	$65.05
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	57	57	$175.00	$103.59
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	52	43	$76.00	$43.38
73562 X-ray of knee, 3 views	51	45	$135.53	$36.01
72100 X-ray of lower and sacral spine, 2-3 views	45	44	$138.00	$35.40
73030 X-ray of shoulder, minimum of 2 views	34	27	$132.00	$30.67
73502 X-ray of hip, 2-3 views	28	24	$130.00	$41.91
73630 X-ray of foot, minimum of 3 views	23	17	$118.00	$30.45
72148 MRI scan of lower spinal canal	21	21	$1946.00	$202.99
J1040 Injection, methylprednisolone acetate, 80 mg	16	15	$28.00	$11.74
73721 Mri scan of leg joint without contrast	13	12	$1654.00	$204.48

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	443	255	$116.62	$70.76
20610 Aspiration and/or injection of fluid from large joint	199	114	$204.74	$62.79
J1040 Injection, methylprednisolone acetate, 80 mg	139	98	$28.00	$12.04
73562 X-ray of knee, 3 views	108	92	$127.96	$34.45
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	99	81	$175.71	$103.21
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	93	93	$175.40	$101.66
72100 X-ray of lower and sacral spine, 2-3 views	78	72	$138.00	$32.81
73030 X-ray of shoulder, minimum of 2 views	56	48	$132.00	$27.12
J7324 Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	54	12	$350.00	$273.87
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	53	48	$75.58	$42.92
73502 X-ray of hip, 2-3 views	46	45	$130.00	$38.22
J1030 Injection, methylprednisolone acetate, 40 mg	42	33	$14.00	$6.09
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	30	30	$265.00	$155.73
73110 X-ray of wrist, minimum of 3 views	29	16	$116.00	$33.65
73721 Mri scan of leg joint without contrast	25	25	$1654.00	$214.16
73630 X-ray of foot, minimum of 3 views	25	21	$118.00	$28.78
72148 MRI scan of lower spinal canal	24	24	$1946.00	$191.78
73610 X-ray of ankle, minimum of 3 views	21	16	$128.00	$31.03
73521 X-ray of both hips, 2 views	14	14	$124.00	$33.18
73221 Mri scan of arm joint without contrast	13	13	$1712.00	$217.36
73130 X-ray of hand, minimum of 3 views	11	11	$123.18	$28.22

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	530	299	$116.00	$68.68
20610 Aspiration and/or injection of fluid from large joint	212	118	$201.65	$61.16
J1040 Injection, methylprednisolone acetate, 80 mg	138	100	$28.00	$12.69
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	126	104	$175.00	$98.69
73562 X-ray of knee, 3 views	98	89	$128.00	$32.32
J7324 Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	89	20	$350.00	$143.35
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	80	80	$175.00	$100.90
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	71	56	$75.00	$40.98
73030 X-ray of shoulder, minimum of 2 views	64	55	$132.00	$26.77
72100 X-ray of lower and sacral spine, 2-3 views	46	46	$138.00	$31.86
J1030 Injection, methylprednisolone acetate, 40 mg	43	30	$14.00	$6.63
73502 X-ray of hip, 2-3 views	38	38	$130.00	$38.07
73721 Mri scan of leg joint without contrast	32	31	$1654.00	$212.32
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	30	30	$265.00	$158.17
73610 X-ray of ankle, minimum of 3 views	27	18	$128.00	$27.40
73630 X-ray of foot, minimum of 3 views	25	22	$118.00	$26.29
73110 X-ray of wrist, minimum of 3 views	23	19	$116.00	$32.28
73560 X-ray of knee, 1-2 views	22	20	$112.00	$27.43
80305 Testing for presence of drug, read by direct observation	21	19	$50.00	$13.19
73130 X-ray of hand, minimum of 3 views	19	17	$124.00	$28.93
72148 MRI scan of lower spinal canal	17	17	$1946.00	$197.53
73221 Mri scan of arm joint without contrast	16	16	$1712.00	$197.33
73521 X-ray of both hips, 2 views	14	14	$124.00	$34.67
73080 X-ray of elbow, minimum of 3 views	12	12	$127.00	$27.10

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	663	309	$116.00	$68.66
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	259	194	$175.00	$100.83
J1030 Injection, methylprednisolone acetate, 40 mg	189	81	$14.00	$5.73
73560 X-ray of knee, 1-2 views	136	96	$112.00	$27.40
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance	129	63	$312.79	$88.73
72100 X-ray of lower and sacral spine, 2-3 views	115	109	$138.00	$32.10
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	57	57	$175.00	$102.55
J7324 Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	54	17	$350.00	$147.27
20610 Aspiration and/or injection of fluid from large joint	52	41	$197.31	$57.27
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	50	50	$265.00	$156.88
J1040 Injection, methylprednisolone acetate, 80 mg	42	36	$28.00	$10.21
73030 X-ray of shoulder, minimum of 2 views	39	33	$132.00	$26.82
72170 X-ray of pelvis, 1-2 views	37	36	$119.00	$28.34
72148 MRI scan of lower spinal canal	24	23	$1946.00	$203.48
73502 X-ray of hip, 2-3 views	23	22	$130.00	$37.51
73620 X-ray of foot, 2 views	17	17	$99.00	$23.86
73100 X-ray of wrist, 2 views	16	11	$102.00	$26.67
73501 X-ray of hip with pelvis, 1 view	15	15	$104.00	$26.22
73721 Mri scan of leg joint without contrast	13	13	$1654.00	$197.37
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	13	11	$75.00	$40.94

Medical Specialties & State Licenses

CMS Verified: 2023-09-28

Orthopaedic Surgery Primary Specialty

NUCC Taxonomy Code: 207X00000X

State License GA 014917

An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

Hospital & Practice Group Affiliations

Specialty Orthopaedics Pc

1240 Jesse Jewell Pkwy Se, Gainesville, GA 305013861

Phone: 7705347200

Practice Associates & Co-Workers

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

13 Associated Practitioners

Jordan Young

Specialist/Technologist - Athletic Trainer

NPI 1013663913

Madison Picklesimer

Physician Assistant

NPI 1063236081

Dr. Robert Marascalco , MD

Orthopaedic Surgery

NPI 1083695050

Doctor of Medicine (M.D.)

Dr. William Weiss , MD

Orthopaedic Surgery

NPI 1124002662

Doctor of Medicine (M.D.)

Dr. Benjamin Puckett , MD

Orthopaedic Surgery

NPI 1124267778

Doctor of Medicine (M.D.)

Christopher West , PHYSICIAN ASSISTANT

Physician Assistant

NPI 1124808001

PHYSICIANASSISTANT

Career & Practice History Timeline

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

7 Historical Events

📍

Updated Business Mailing Address January 13, 2020

Registered at 1240 JESSE JEWELL PKWY SE STE 300, GAINESVILLE, GA 305013861 (Tel: 7705347200)

✅

NPI Profile Active November 22, 2010

NPI status registered as active in NPPES database

📍

Updated Practice Location November 22, 2010

Registered at 1240 JESSE JEWELL PKWY SE, SUITE 300, GAINESVILLE, GA 305013862 (Tel: 7705327202)

📍

Updated Business Mailing Address November 22, 2010

Registered at 3645 WHITE SULPHUR RD, GAINESVILLE, GA 305077617 (Tel: 7705322768)

👤

Provider Name / Credentials Updated November 22, 2010

Recorded as JOHN HEMMER, M.D

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 22, 2010

Orthopaedic Surgery (License #014917 in GA)

🟢

Initial NPI Registration & Enumeration November 04, 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: 1518958784

Entity Type:

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

Enumeration Date: November 04, 2005

Last Update: September 28, 2023

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1240 Jesse Jewell Pkwy Se Ste 300

Gainesville, GA 305013861

Phone: 7705347200

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.