Active NPI 1083700330 Individual Practitioner Male Practitioner

Dr. Christopher Cox , MD

Orthopaedic Surgery • San Francisco, CA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Christopher Cox, MD is a certified Orthopaedic Surgery practicing in San Francisco, CA. With approximately 40 years of clinical experience since graduating from University Of California, San Francisco School Of Medicine in 1986, Dr. Cox delivers high-quality medical care to the local community at 3838 CALIFORNIA ST.

Dr. Cox maintains professional affiliations with California Pacific Orthopaedics And Sports Medicine A Medical Corporat, Regents Of The University Of California - Ucsf and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include injection, triamcinolone acetonide, not otherwise specified, 10 mg, established patient outpatient office visit, x-ray of knee, 1-2 views. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

3838 California St
Suite 715

San Francisco, CA 941181522

Telephone 4155922014

Fax 4157522560

Associated Practice Facility / Clinic

🏢 M Ming Quan Md Inc Facility NPI 1508809286

Medicare Profile & Education

Medical School

University Of California, San Francisco School Of Medicine

Graduation Year

1986

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Orthopaedic Surgery in San Francisco, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

40 Yrs +17.4 yrs vs City Avg

City Avg: 22.6 Yrs

State Avg: 28.4 Yrs

Regional Practice Density

129 Specialists

Practicing in San Francisco, CA (2527 Statewide)

Telehealth Adoption Rate

27.1% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

69.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Cox (40 Years) 40 Yrs

San Francisco Specialty Average (22.6 Years) 22.6 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
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	1,132	199	$6.65	$0.96
99213 Established patient office or other outpatient visit, typically 15 minutes	332	284	$213.14	$109.28
73560 X-ray of knee, 1-2 views	259	230	$124.08	$45.46
20610 Aspiration and/or injection of fluid from large joint	239	164	$285.32	$80.31
73565 X-ray of both knees while standing	192	189	$144.15	$53.38
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	175	157	$312.36	$153.33
72170 X-ray of pelvis, 1-2 views	145	130	$126.69	$36.44
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	66	66	$471.29	$194.92
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	58	58	$312.89	$131.73
73522 X-ray of both hips, 3-4 views	56	55	$191.22	$71.51
27447 Replacement of knee joint, both sides of knee	53	51	$4643.07	$1446.71
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	52	45	$129.58	$69.43
27130 Replacement of thigh bone and hip joint with prosthesis	42	39	$4645.92	$1448.35
73721 Mri scan of leg joint without contrast	25	25	$2021.24	$200.58
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	12	12	$417.41	$214.06

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J7329 Hyaluronan or derivative, trivisc, for intra-articular injection, 1 mg	1,550	24	$32.77	$8.92
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	1,308	230	$5.92	$1.08
99213 Established patient office or other outpatient visit, typically 15 minutes	417	335	$213.14	$107.05
20610 Aspiration and/or injection of fluid from large joint	293	202	$269.66	$81.15
73560 X-ray of knee, 1-2 views	273	247	$124.08	$45.12
73565 X-ray of both knees while standing	243	236	$144.15	$52.92
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	188	169	$312.36	$150.72
72170 X-ray of pelvis, 1-2 views	159	147	$126.69	$36.30
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	107	107	$312.89	$132.04
73522 X-ray of both hips, 3-4 views	81	81	$191.22	$70.44
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	58	51	$129.58	$68.37
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	52	52	$471.29	$194.25
27447 Replacement of knee joint, both sides of knee	45	44	$4643.07	$1445.39
73721 Mri scan of leg joint without contrast	33	33	$1820.41	$200.64
27130 Replacement of thigh bone and hip joint with prosthesis	31	30	$4645.92	$1446.90

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	877	154	$3.25	$1.15
99213 Established patient office or other outpatient visit, typically 15 minutes	380	306	$213.14	$106.94
73560 X-ray of knee, 1-2 views	263	231	$124.08	$44.31
20610 Aspiration and/or injection of fluid from large joint	235	161	$179.04	$82.25
73565 X-ray of both knees while standing	219	213	$144.15	$53.09
72170 X-ray of pelvis, 1-2 views	183	166	$126.69	$35.57
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	133	123	$312.36	$150.29
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	117	117	$312.89	$128.95
73522 X-ray of both hips, 3-4 views	68	67	$191.22	$69.73
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	56	48	$129.58	$67.61
27447 Replacement of knee joint, both sides of knee	45	42	$4643.07	$1458.25
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	43	43	$471.29	$188.95
27130 Replacement of thigh bone and hip joint with prosthesis	39	39	$4645.92	$1458.45
73721 Mri scan of leg joint without contrast	35	32	$916.67	$188.16

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	739	151	$3.26	$1.28
99213 Established patient office or other outpatient visit, typically 15 minutes	361	285	$213.16	$108.42
73560 X-ray of knee, 1-2 views	258	229	$124.08	$44.22
73565 X-ray of both knees while standing	224	219	$144.15	$52.98
20610 Aspiration and/or injection of fluid from large joint	198	146	$170.47	$79.37
72170 X-ray of pelvis, 1-2 views	193	176	$126.69	$35.46
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	130	130	$312.89	$132.55
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	122	114	$314.99	$153.22
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	115	93	$129.58	$67.91
73522 X-ray of both hips, 3-4 views	53	53	$191.22	$69.18
27447 Replacement of knee joint, both sides of knee	42	39	$4643.07	$1482.39
73721 Mri scan of leg joint without contrast	42	40	$916.67	$209.00
27130 Replacement of thigh bone and hip joint with prosthesis	38	38	$4645.92	$1466.66
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$471.29	$195.98
72148 MRI scan of lower spinal canal	13	13	$1673.93	$182.97

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	649	137	$6.92	$1.47
99213 Established patient office or other outpatient visit, typically 15 minutes	453	337	$211.46	$89.25
73560 X-ray of knee, 1-2 views	223	190	$112.89	$42.92
20610 Aspiration and/or injection of fluid from large joint	195	148	$232.02	$74.52
73565 X-ray of both knees while standing	169	164	$130.23	$50.15
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	133	133	$312.46	$127.18
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	104	103	$310.90	$129.20
73502 X-ray of hip, 2-3 views	76	72	$110.73	$57.85
72170 X-ray of pelvis, 1-2 views	70	68	$125.61	$36.27
27447 Replacement of knee joint, both sides of knee	51	50	$5095.38	$1586.93
73721 Mri scan of leg joint without contrast	47	44	$1255.96	$213.40
73521 X-ray of both hips, 2 views	46	46	$111.36	$50.84
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	25	22	$129.97	$54.40
27130 Replacement of thigh bone and hip joint with prosthesis	23	23	$4942.99	$1591.80
73562 X-ray of knee, 3 views	17	16	$129.06	$47.71
72148 MRI scan of lower spinal canal	13	13	$1563.41	$192.09
73522 X-ray of both hips, 3-4 views	12	12	$191.22	$66.94
73564 X-ray of knee, 4 or more views	12	11	$153.48	$56.22

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	1,020	182	$10.00	$1.59
99213 Established patient office or other outpatient visit, typically 15 minutes	665	490	$210.00	$88.10
73560 X-ray of knee, 1-2 views	361	307	$102.00	$41.13
20610 Aspiration and/or injection of fluid from large joint	263	193	$287.00	$72.82
73565 X-ray of both knees while standing	247	241	$114.00	$47.79
73502 X-ray of hip, 2-3 views	192	171	$110.00	$54.29
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	176	176	$312.00	$127.64
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	138	125	$310.00	$128.65
73521 X-ray of both hips, 2 views	100	99	$105.00	$48.68
27447 Replacement of knee joint, both sides of knee	60	58	$5940.00	$1536.37
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	53	45	$130.00	$54.73
73562 X-ray of knee, 3 views	47	46	$123.00	$47.61
73721 Mri scan of leg joint without contrast	43	42	$1530.00	$218.47
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	37	37	$470.00	$191.39
27130 Replacement of thigh bone and hip joint with prosthesis	37	35	$5500.00	$1503.52
J1030 Injection, methylprednisolone acetate, 40 mg	20	12	$15.00	$6.40
73564 X-ray of knee, 4 or more views	13	13	$141.00	$52.97
73610 X-ray of ankle, minimum of 3 views	12	11	$109.00	$42.46

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	667	129	$10.00	$1.78
99213 Established patient office or other outpatient visit, typically 15 minutes	579	436	$210.00	$85.62
73560 X-ray of knee, 1-2 views	245	217	$102.00	$39.27
20610 Aspiration and/or injection of fluid from large joint	195	143	$287.00	$72.28
73502 X-ray of hip, 2-3 views	175	154	$110.00	$52.38
73565 X-ray of both knees while standing	147	146	$114.00	$45.40
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	118	118	$312.00	$125.98
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	90	87	$310.00	$126.29
73521 X-ray of both hips, 2 views	74	74	$105.00	$47.30
27447 Replacement of knee joint, both sides of knee	66	63	$6000.00	$1536.45
27130 Replacement of thigh bone and hip joint with prosthesis	49	49	$5500.00	$1542.02
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	31	31	$470.00	$189.88
73562 X-ray of knee, 3 views	21	21	$123.00	$43.07
73721 Mri scan of leg joint without contrast	19	19	$1530.00	$224.64
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	17	17	$130.00	$52.72
73564 X-ray of knee, 4 or more views	17	17	$141.00	$50.03

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	913	161	$10.00	$1.78
99213 Established patient office or other outpatient visit, typically 15 minutes	569	418	$210.36	$86.82
20610 Aspiration and/or injection of fluid from large joint	281	174	$288.02	$68.17
73560 X-ray of knee, 1-2 views	265	215	$102.00	$39.21
73502 X-ray of hip, 2-3 views	210	184	$110.00	$53.32
73565 X-ray of both knees while standing	155	152	$114.00	$45.67
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	147	147	$312.00	$126.91
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	92	91	$310.00	$126.66
73521 X-ray of both hips, 2 views	53	53	$105.00	$50.93
27447 Replacement of knee joint, both sides of knee	53	50	$6000.00	$1538.06
27130 Replacement of thigh bone and hip joint with prosthesis	47	45	$5500.00	$1527.55
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	39	30	$130.00	$52.99
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	37	37	$470.00	$186.25
73721 Mri scan of leg joint without contrast	23	22	$1530.00	$227.36
73562 X-ray of knee, 3 views	22	22	$123.00	$43.91
72110 X-ray of lower and sacral spine, minimum of 4 views	21	21	$187.00	$62.09
72100 X-ray of lower and sacral spine, 2-3 views	18	18	$136.00	$44.72

Medical Specialties & State Licenses

Orthopaedic Surgery Primary Specialty

NUCC Taxonomy Code: 207X00000X

State License CA G61987

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

Regents Of The University Of California - Ucsf

505 Parnassus Ave, San Francisco, CA 941432204

Phone: 4154761000

California Pacific Orthopaedics And Sports Medicine A Medical Corporat

3838 California St, San Francisco, CA 941181507

Phone: 4156688010

Practice Associates & Co-Workers

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

18 Associated Practitioners

Dr. Taylor Smith , MD

Orthopaedic Surgery

NPI 1104912443

Doctor of Medicine (M.D.)

Dr. Peter Callander , MD

Orthopaedic Surgery

NPI 1144316688

Doctor of Medicine (M.D.)

Dr. Robert Gilbert , MD

Orthopaedic Surgery

NPI 1154417475

Doctor of Medicine (M.D.)

Dr. William Green , MD

Orthopaedic Surgery - Hand Surgery

NPI 1295858512

Doctor of Medicine (M.D.)

Mikael Siewert , PA

Physician Assistant

NPI 1366538647

Physician Assistant

Dr. Frederic Bost , MD

Orthopaedic Surgery

NPI 1376639823

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active November 10, 2009

NPI status registered as active in NPPES database

📍

Updated Practice Location November 10, 2009

Registered at 3838 CALIFORNIA ST, SUITE 715, SAN FRANCISCO, CA 941181522 (Tel: 4155922014)

📍

Updated Business Mailing Address November 10, 2009

Registered at 3838 CALIFORNIA ST, SUITE 715, SAN FRANCISCO, CA 941181522 (Tel: 4155922014)

👤

Provider Name / Credentials Updated November 10, 2009

Recorded as CHRISTOPHER COX, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 10, 2009

Orthopaedic Surgery (License #G61987 in CA)

🟢

Initial NPI Registration & Enumeration October 05, 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: 1083700330

Entity Type:

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

Enumeration Date: October 05, 2006

Last Update: November 10, 2009

Sole Proprietor: No

Update or Correct Profile

Mailing Address

3838 California St, Suite 715

San Francisco, CA 941181522

Phone: 4155922014

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.