Active NPI 1598795130 Individual Practitioner Male Practitioner

Dr. Christopher David Hamilton , MD

Orthopaedic Surgery • Bakersfield, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Christopher Hamilton, MD is a certified Orthopaedic Surgery practicing in Bakersfield, CA. With approximately 38 years of clinical experience since graduating from University Of California, Geffen School Of Medicine in 1988, Dr. Hamilton delivers high-quality medical care to the local community at 5201 TRUXTUN AVE.

Dr. Hamilton is affiliated with Regents Of The University Of California and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, x-ray of shoulder, minimum of 2 views, injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

5201 Truxtun Ave

Bakersfield, CA 933090421

Telephone 6613285565

Associated Practice Facility / Clinic

🏢 Regents Of The University Of California Facility NPI 1104557636

Medicare Profile & Education

Medical School

University Of California, Geffen School Of Medicine

Graduation Year

1988

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Orthopaedic Surgery in Bakersfield, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

38 Yrs +15.5 yrs vs City Avg

City Avg: 22.5 Yrs

State Avg: 28.4 Yrs

Regional Practice Density

34 Specialists

Practicing in Bakersfield, CA (2527 Statewide)

Telehealth Adoption Rate

11.8% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

87.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Hamilton (38 Years) 38 Yrs

Bakersfield Specialty Average (22.5 Years) 22.5 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	164	129	$858.00	$129.56
73030 X-ray of shoulder, minimum of 2 views	119	96	$194.09	$35.94
99213 Established patient office or other outpatient visit, typically 15 minutes	72	64	$508.00	$91.98
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	63	34	$30.52	$6.80
73564 X-ray of knee, 4 or more views	45	38	$272.37	$49.94
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	43	43	$1085.00	$166.21
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance	36	31	$536.13	$106.15
73562 X-ray of knee, 3 views	20	18	$212.35	$43.23
29827 Repair of shoulder rotator cuff using an endoscope	19	19	$7030.00	$1032.36
29823 Removal of extensive shoulder joint tissue using an endoscope	19	19	$4145.00	$200.51
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope	18	18	$3591.00	$159.45
23472 Prosthetic repair of shoulder joint, total shoulder	17	17	$8024.00	$1432.04
27447 Replacement of knee joint, both sides of knee	15	15	$11177.33	$1271.05
20985 Computer-assisted surgery for muscle and bone procedure	15	15	$787.00	$140.01

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	171	133	$858.00	$128.96
73030 X-ray of shoulder, minimum of 2 views	108	84	$157.94	$36.63
99213 Established patient office or other outpatient visit, typically 15 minutes	98	76	$508.00	$92.00
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	64	11	$10.00	$1.06
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	45	34	$30.00	$6.45
73564 X-ray of knee, 4 or more views	36	31	$235.28	$48.34
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	28	28	$1085.00	$172.15
73562 X-ray of knee, 3 views	23	19	$198.00	$43.78
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance	21	19	$509.95	$109.55
20610 Aspiration and/or injection of fluid from large joint	21	19	$453.21	$72.02
20985 Computer-assisted surgery for muscle and bone procedure	20	19	$731.50	$145.33
29823 Removal of extensive shoulder joint tissue using an endoscope	18	18	$4145.00	$180.81
23472 Prosthetic repair of shoulder joint, total shoulder	18	18	$7098.83	$1475.88
27447 Replacement of knee joint, both sides of knee	17	16	$10812.00	$1308.89
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope	17	17	$3230.41	$172.99
29827 Repair of shoulder rotator cuff using an endoscope	16	16	$7030.00	$1063.85
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$864.00	$116.19
29828 Release of shoulder biceps tendon using an endoscope	13	13	$4243.00	$453.99

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	154	123	$858.00	$130.80
99213 Established patient office or other outpatient visit, typically 15 minutes	145	109	$508.00	$93.36
73030 X-ray of shoulder, minimum of 2 views	141	112	$150.00	$37.28
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	92	17	$10.00	$1.17
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	45	45	$1085.00	$174.03
73564 X-ray of knee, 4 or more views	42	33	$200.00	$49.96
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	35	33	$30.00	$6.50
73562 X-ray of knee, 3 views	28	24	$198.00	$44.26
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance	26	25	$456.79	$111.06
29827 Repair of shoulder rotator cuff using an endoscope	19	19	$7030.00	$1111.59
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope	18	18	$2978.00	$177.12
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	17	17	$864.00	$116.78
23472 Prosthetic repair of shoulder joint, total shoulder	17	17	$6842.16	$1404.79
20985 Computer-assisted surgery for muscle and bone procedure	14	13	$676.00	$148.00
29823 Removal of extensive shoulder joint tissue using an endoscope	13	13	$4145.00	$218.85
27447 Replacement of knee joint, both sides of knee	13	12	$10812.00	$1322.66
20610 Aspiration and/or injection of fluid from large joint	12	12	$438.75	$67.74
29828 Release of shoulder biceps tendon using an endoscope	11	11	$4243.00	$462.35

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	167	126	$508.00	$94.51
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	147	116	$858.00	$135.10
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	140	29	$10.00	$1.29
73030 X-ray of shoulder, minimum of 2 views	122	97	$150.00	$36.84
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	92	41	$30.00	$6.72
73564 X-ray of knee, 4 or more views	58	48	$200.00	$47.72
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	54	54	$1085.00	$176.22
20610 Aspiration and/or injection of fluid from large joint	28	26	$426.70	$71.36
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance	28	27	$442.25	$109.03
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	24	24	$864.00	$118.17
73562 X-ray of knee, 3 views	23	21	$198.00	$43.63
20985 Computer-assisted surgery for muscle and bone procedure	19	19	$676.00	$150.44
23472 Prosthetic repair of shoulder joint, total shoulder	17	17	$6544.68	$1442.04
29827 Repair of shoulder rotator cuff using an endoscope	16	16	$7030.00	$1124.20
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope	16	15	$2978.00	$180.28
27447 Replacement of knee joint, both sides of knee	16	16	$10812.00	$1344.33
29823 Removal of extensive shoulder joint tissue using an endoscope	14	14	$4145.00	$163.56

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	163	120	$406.00	$77.62
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	138	55	$25.00	$7.05
73030 X-ray of shoulder, minimum of 2 views	115	94	$150.65	$34.72
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	96	87	$570.00	$114.08
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	92	23	$10.00	$1.45
73564 X-ray of knee, 4 or more views	63	55	$203.17	$46.24
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	59	59	$725.00	$170.00
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance	44	41	$437.95	$104.77
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope	24	24	$2025.00	$182.82
20610 Aspiration and/or injection of fluid from large joint	21	21	$310.71	$70.23
73562 X-ray of knee, 3 views	19	18	$198.00	$41.87
29827 Repair of shoulder rotator cuff using an endoscope	19	19	$4685.00	$1128.97
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	17	17	$576.00	$113.40
27447 Replacement of knee joint, both sides of knee	16	15	$6710.00	$1418.97
29823 Removal of extensive shoulder joint tissue using an endoscope	13	13	$2760.00	$282.12
23472 Prosthetic repair of shoulder joint, total shoulder	11	11	$6435.00	$1530.29

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
73030 X-ray of shoulder, minimum of 2 views	121	97	$124.73	$31.62
99213 Established patient office or other outpatient visit, typically 15 minutes	113	84	$322.14	$76.16
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	111	28	$21.31	$6.73
73564 X-ray of knee, 4 or more views	42	35	$175.36	$42.64
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope	36	36	$2019.75	$178.67
29827 Repair of shoulder rotator cuff using an endoscope	31	31	$4005.65	$1089.82
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance	30	24	$352.20	$87.07
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	29	29	$677.59	$169.13
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	29	26	$446.72	$109.35
73221 Mri scan of arm joint without contrast	23	21	$2202.00	$173.20
29828 Release of shoulder biceps tendon using an endoscope	18	18	$3295.56	$478.14
73721 Mri scan of leg joint without contrast	17	17	$2133.00	$176.73
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	17	17	$347.06	$111.77
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	17	17	$124.00	$47.14
27447 Replacement of knee joint, both sides of knee	16	16	$6397.25	$1388.60
23472 Prosthetic repair of shoulder joint, total shoulder	14	14	$6226.50	$1492.30
73562 X-ray of knee, 3 views	11	11	$156.55	$39.48

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
73030 X-ray of shoulder, minimum of 2 views	82	67	$106.00	$30.91
99213 Established patient office or other outpatient visit, typically 15 minutes	78	57	$200.00	$74.49
73564 X-ray of knee, 4 or more views	59	45	$135.00	$40.05
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	51	23	$15.00	$6.78
73221 Mri scan of arm joint without contrast	40	37	$2202.00	$177.56
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	35	35	$298.00	$111.13
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	33	33	$295.00	$111.15
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	26	25	$120.00	$45.63
73721 Mri scan of leg joint without contrast	23	20	$2133.00	$178.35
20610 Aspiration and/or injection of fluid from large joint	19	16	$255.00	$57.07
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance	17	16	$308.00	$90.90
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$450.00	$168.75
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope	16	16	$2016.00	$178.15
73562 X-ray of knee, 3 views	15	14	$122.00	$37.75
29827 Repair of shoulder rotator cuff using an endoscope	14	14	$3515.00	$1083.20
27447 Replacement of knee joint, both sides of knee	12	12	$6154.00	$1381.63

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	79	63	$200.00	$71.17
73030 X-ray of shoulder, minimum of 2 views	74	65	$106.00	$29.37
73564 X-ray of knee, 4 or more views	39	32	$135.00	$40.64
73721 Mri scan of leg joint without contrast	37	34	$2133.00	$175.37
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	36	14	$15.00	$7.12
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	28	27	$295.00	$107.85
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	24	24	$298.00	$107.66
73562 X-ray of knee, 3 views	23	16	$122.00	$36.66
73221 Mri scan of arm joint without contrast	20	19	$2202.00	$171.06
27447 Replacement of knee joint, both sides of knee	20	19	$6154.00	$1280.71
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope	20	20	$2016.00	$173.04
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	19	19	$450.00	$163.73
29827 Repair of shoulder rotator cuff using an endoscope	18	18	$3327.17	$1051.10
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance	14	13	$308.00	$87.99

Medical Specialties & State Licenses

CMS Verified: 2025-04-16

Orthopaedic Surgery Primary Specialty

NUCC Taxonomy Code: 207X00000X

State License CA G76486

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.

Orthopaedic Surgery - Sports Medicine

NUCC Taxonomy Code: 207XX0005X

State License CA G76486

An orthopaedic surgeon trained in sports medicine provides appropriate care for all structures of the musculoskeletal system directly affected by participation in sporting activity. This specialist is proficient in areas including conditioning, training and fitness, athletic performance and the impact of dietary supplements, pharmaceuticals, and nutrition on performance and health, coordination of care within the team setting utilizing other health care professionals, field evaluation and management, soft tissue biomechanics and injury healing and repair. Knowledge and understanding of the principles and techniques of rehabilitation, athletic equipment and orthotic devices enables the specialist to prevent and manage athletic injuries.

Orthopaedic Surgery - Foot and Ankle Surgery

NUCC Taxonomy Code: 207XX0004X

State License CA G76486

Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, foot and ankle surgeons deal with adult reconstructive foot and ankle surgery, adult foot and ankle trauma, sports medicine foot and ankle, and children's foot and ankle reconstructive surgery.

Additional State Medicaid & Healthcare Payer Identifiers

Commercial Insurance / Payer ID Rrmcr

200031967

Hospital & Practice Group Affiliations

Regents Of The University Of California

5201 Truxtun Ave, Bakersfield, CA 933090421

Phone: 6613285565

Practice Associates & Co-Workers

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

31 Associated Practitioners

Dr. Fadi Saied , DO

Orthopaedic Surgery

NPI 1013179712

Doctor of Osteopathic Medicine (D.O.)

Alexandra Valos , PA-C

Physician Assistant - Medical

NPI 1023464633

Physician Assistant (Certified)

Kimberly Campbell , PT

Physical Therapist - Orthopedic

NPI 1063962025

Physical Therapist

Austin Singhavong , PA-C

Physician Assistant - Surgical

NPI 1073188207

Physician Assistant (Certified)

Christopher Pham

Orthopaedic Surgery

NPI 1164981411

Sumneet Sangha

Physician Assistant

NPI 1174322549

Career & Practice History Timeline

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

9 Historical Events

📍

Updated Practice Location April 16, 2025

Registered at 5201 TRUXTUN AVE, BAKERSFIELD, CA 933090421 (Tel: 6613285565)

📍

Updated Business Mailing Address April 16, 2025

Registered at 5767 W CENTURY BLVD STE 400, LOS ANGELES, CA 900455631

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 16, 2025

Orthopaedic Surgery (License #G76486 in CA)

✅

NPI Profile Active November 10, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location November 10, 2015

Registered at 6815 NOBLE AVE, VAN NUYS, CA 914053796 (Tel: 8189016600)

📍

Updated Business Mailing Address November 10, 2015

Registered at 6815 NOBLE AVE, VAN NUYS, CA 914053796 (Tel: 8189016600)

👤

Provider Name / Credentials Updated November 10, 2015

Recorded as CHRISTOPHER HAMILTON, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 10, 2015

Orthopaedic Surgery (License #G76486 in CA)

🟢

Initial NPI Registration & Enumeration July 03, 2006

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: 1598795130

Entity Type:

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

Enumeration Date: July 03, 2006

Last Update: April 16, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

5767 W Century Blvd Ste 400

Los Angeles, CA 900455631

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.