Active NPI 1447296652 Individual Practitioner Male Practitioner

Dr. Stephen Chow , MD

Orthopaedic Surgery • Apple Valley, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Stephen Chow, MD is a certified Orthopaedic Surgery practicing in Apple Valley, CA. With approximately 30 years of clinical experience since graduating from New York Medical College in 1996, Dr. Chow delivers high-quality medical care to the local community at 18095 US HIGHWAY 18.

Dr. Chow accepts Medicare assignment.

Frequently performed procedures and clinical services include injection, triamcinolone acetonide, not otherwise specified, 10 mg, established patient outpatient office visit, aspiration and/or injection of fluid from large joint. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

18095 Us Highway 18
Suite B

Apple Valley, CA 923072189

Telephone 7602428238

Fax 7602428282

Associated Practice Facility / Clinic

🏢 Stephen Chow Md, Inc Facility NPI 1013196740

Medicare Profile & Education

Medical School

New York Medical College

Graduation Year

1996

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Orthopaedic Surgery in Apple Valley, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

30 Yrs +7.0 yrs vs City Avg

City Avg: 23.0 Yrs

State Avg: 28.4 Yrs

Regional Practice Density

7 Specialists

Practicing in Apple Valley, CA (2527 Statewide)

Telehealth Adoption Rate

14.3% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

60.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Chow (30 Years) 30 Yrs

Apple Valley Specialty Average (23.0 Years) 23.0 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	1,308	149	$1.99	$0.97
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	544	248	$267.00	$131.33
20610 Aspiration and/or injection of fluid from large joint	173	118	$136.61	$67.01
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	106	106	$346.79	$171.74
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	80	57	$376.18	$185.79
99213 Established patient office or other outpatient visit, typically 15 minutes	75	55	$190.06	$93.35
20550 Injection into tendon or ligament	31	23	$132.60	$64.61
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	27	27	$457.79	$226.42
20985 Computer-assisted surgery for muscle and bone procedure	13	13	$292.92	$144.60
20605 Aspiration and/or injection of medium joint or joint capsule	13	12	$115.73	$48.41
27447 Replacement of knee joint, both sides of knee	12	12	$2646.26	$1306.57
27435 Incision of back portion of knee joint capsule	12	12	$1696.59	$453.71
27430 Repair of muscle group above knee joint	12	11	$1560.39	$397.35

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	438	135	$15.07	$1.08
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	434	224	$220.58	$131.89
99213 Established patient office or other outpatient visit, typically 15 minutes	329	162	$135.19	$93.48
20610 Aspiration and/or injection of fluid from large joint	161	110	$172.59	$67.34
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	134	101	$313.38	$183.82
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	91	91	$347.07	$170.35
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	33	33	$440.89	$226.71
20550 Injection into tendon or ligament	24	21	$142.92	$60.31
27430 Repair of muscle group above knee joint	21	19	$1815.02	$387.54
27447 Replacement of knee joint, both sides of knee	20	18	$4922.31	$1321.80
27435 Incision of back portion of knee joint capsule	20	18	$1862.52	$423.21
20985 Computer-assisted surgery for muscle and bone procedure	19	17	$382.00	$147.24
73560 X-ray of knee, 1-2 views	18	17	$76.00	$36.75
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$245.25	$116.13
20605 Aspiration and/or injection of medium joint or joint capsule	12	12	$146.00	$57.58
20600 Aspiration and/or injection of fluid from small joint	11	11	$80.00	$55.15

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	403	234	$210.00	$133.58
99213 Established patient office or other outpatient visit, typically 15 minutes	399	194	$134.00	$94.63
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	341	138	$20.00	$1.15
20610 Aspiration and/or injection of fluid from large joint	223	132	$176.00	$68.42
73560 X-ray of knee, 1-2 views	166	125	$76.00	$36.74
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	139	111	$305.00	$188.33
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	101	101	$347.00	$174.61
J7323 Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose	85	24	$250.00	$130.98
73030 X-ray of shoulder, minimum of 2 views	82	61	$83.00	$37.28
73502 X-ray of hip, 2-3 views	77	64	$105.00	$50.76
72100 X-ray of lower and sacral spine, 2-3 views	59	55	$98.00	$43.03
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	59	59	$439.00	$230.52
73110 X-ray of wrist, minimum of 3 views	38	24	$77.00	$44.16
73130 X-ray of hand, minimum of 3 views	25	21	$77.00	$39.56
73610 X-ray of ankle, minimum of 3 views	24	14	$77.00	$39.79
J1030 Injection, methylprednisolone acetate, 40 mg	23	11	$20.00	$6.61
72040 X-ray of upper spine, 2-3 views	20	20	$91.00	$42.65
20550 Injection into tendon or ligament	19	16	$147.00	$60.78
27430 Repair of muscle group above knee joint	18	18	$1827.00	$410.37
20985 Computer-assisted surgery for muscle and bone procedure	18	18	$382.00	$151.22
27447 Replacement of knee joint, both sides of knee	18	18	$5040.00	$1347.30
73080 X-ray of elbow, minimum of 3 views	18	17	$82.00	$35.06
27435 Incision of back portion of knee joint capsule	17	17	$1870.00	$426.62
73630 X-ray of foot, minimum of 3 views	17	15	$77.00	$37.18
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$246.00	$117.69

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	391	233	$210.00	$136.35
99213 Established patient office or other outpatient visit, typically 15 minutes	358	178	$134.00	$95.52
J1030 Injection, methylprednisolone acetate, 40 mg	289	126	$20.00	$5.63
73560 X-ray of knee, 1-2 views	196	140	$76.00	$36.64
20610 Aspiration and/or injection of fluid from large joint	196	118	$176.00	$67.53
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	103	103	$347.00	$174.71
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	100	87	$305.00	$188.60
73030 X-ray of shoulder, minimum of 2 views	91	66	$83.00	$36.40
J7323 Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose	75	20	$250.00	$134.22
73502 X-ray of hip, 2-3 views	56	47	$105.00	$50.13
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	55	55	$439.00	$232.48
73610 X-ray of ankle, minimum of 3 views	40	16	$77.00	$39.42
72100 X-ray of lower and sacral spine, 2-3 views	38	38	$97.13	$42.70
73110 X-ray of wrist, minimum of 3 views	31	18	$77.00	$43.51
73130 X-ray of hand, minimum of 3 views	24	19	$77.00	$39.05
20550 Injection into tendon or ligament	21	18	$147.00	$56.59
72040 X-ray of upper spine, 2-3 views	19	19	$91.00	$40.10
27430 Repair of muscle group above knee joint	18	17	$1827.00	$403.55
73080 X-ray of elbow, minimum of 3 views	16	12	$82.00	$34.59
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	15	12	$98.00	$59.35
27447 Replacement of knee joint, both sides of knee	14	14	$5040.00	$1350.81
20985 Computer-assisted surgery for muscle and bone procedure	14	14	$382.00	$152.16
27435 Incision of back portion of knee joint capsule	14	14	$1870.00	$462.25
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$246.00	$118.14

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	357	203	$210.00	$108.71
99213 Established patient office or other outpatient visit, typically 15 minutes	208	134	$134.00	$75.41
J1030 Injection, methylprednisolone acetate, 40 mg	167	80	$20.00	$6.04
73560 X-ray of knee, 1-2 views	165	118	$76.00	$34.16
20610 Aspiration and/or injection of fluid from large joint	119	75	$176.00	$62.73
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	116	116	$347.00	$164.72
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	74	66	$305.00	$147.75
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	74	74	$439.00	$209.23
73030 X-ray of shoulder, minimum of 2 views	68	54	$83.00	$33.09
73502 X-ray of hip, 2-3 views	42	36	$105.00	$46.43
73110 X-ray of wrist, minimum of 3 views	37	27	$77.00	$39.83
73130 X-ray of hand, minimum of 3 views	34	28	$77.00	$35.95
73080 X-ray of elbow, minimum of 3 views	20	12	$82.00	$31.71
73610 X-ray of ankle, minimum of 3 views	20	13	$77.00	$35.56
20550 Injection into tendon or ligament	19	15	$147.00	$54.43
72100 X-ray of lower and sacral spine, 2-3 views	12	12	$98.00	$38.84

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	243	147	$134.00	$75.02
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	240	148	$210.00	$109.14
73560 X-ray of knee, 1-2 views	117	91	$76.00	$33.22
J1030 Injection, methylprednisolone acetate, 40 mg	105	43	$20.00	$6.30
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	102	102	$347.00	$164.63
20610 Aspiration and/or injection of fluid from large joint	71	42	$176.00	$60.38
73030 X-ray of shoulder, minimum of 2 views	43	35	$83.00	$30.86
73502 X-ray of hip, 2-3 views	41	33	$105.00	$44.08
J7323 Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose	39	12	$250.00	$142.22
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	35	31	$305.00	$145.99
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	29	29	$439.00	$206.46
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	23	23	$246.00	$109.81
73130 X-ray of hand, minimum of 3 views	19	17	$77.00	$34.31
73110 X-ray of wrist, minimum of 3 views	19	12	$77.00	$37.55
73610 X-ray of ankle, minimum of 3 views	18	13	$77.00	$34.22
72100 X-ray of lower and sacral spine, 2-3 views	13	13	$98.00	$37.36
27435 Incision of back portion of knee joint capsule	12	12	$1870.00	$407.39
27447 Replacement of knee joint, both sides of knee	12	12	$5040.00	$1358.52
27430 Repair of muscle group above knee joint	12	12	$1827.00	$372.34

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	301	159	$134.00	$71.37
J1030 Injection, methylprednisolone acetate, 40 mg	142	36	$20.28	$6.67
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	142	116	$210.00	$105.28
73560 X-ray of knee, 1-2 views	103	77	$76.00	$31.08
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	87	87	$347.00	$159.83
20610 Aspiration and/or injection of fluid from large joint	81	47	$176.00	$58.49
J7323 Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose	44	16	$250.00	$143.49
73030 X-ray of shoulder, minimum of 2 views	41	28	$83.00	$29.30
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	35	35	$246.00	$105.11
73502 X-ray of hip, 2-3 views	28	25	$105.00	$41.44
73610 X-ray of ankle, minimum of 3 views	22	13	$77.00	$31.36
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	20	13	$52.00	$21.46
73110 X-ray of wrist, minimum of 3 views	17	12	$77.00	$34.95
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	14	13	$305.00	$141.36
27430 Repair of muscle group above knee joint	11	11	$1827.00	$359.92

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	369	190	$134.00	$73.01
J1030 Injection, methylprednisolone acetate, 40 mg	303	94	$20.00	$5.75
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	238	163	$210.00	$107.14
20610 Aspiration and/or injection of fluid from large joint	175	105	$176.00	$58.95
73560 X-ray of knee, 1-2 views	135	92	$76.00	$31.39
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	99	99	$347.00	$162.63
J2001 Injection, lidocaine hcl for intravenous infusion, 10 mg	67	18	$10.00	$0.02
J7323 Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose	65	21	$250.00	$152.41
73030 X-ray of shoulder, minimum of 2 views	47	38	$83.00	$29.50
73502 X-ray of hip, 2-3 views	45	37	$105.00	$42.29
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	36	35	$305.00	$143.66
73130 X-ray of hand, minimum of 3 views	30	18	$77.00	$31.34
73110 X-ray of wrist, minimum of 3 views	27	13	$77.00	$36.25
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	25	25	$246.00	$107.47
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	21	13	$52.00	$20.48
27447 Replacement of knee joint, both sides of knee	12	12	$5040.00	$1335.61
27430 Repair of muscle group above knee joint	11	11	$1827.00	$365.19

Medical Specialties & State Licenses

Orthopaedic Surgery Primary Specialty

NUCC Taxonomy Code: 207X00000X

State License CA A63842

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

00A638420 (CA)

Practice Associates & Co-Workers

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

3 Associated Practitioners

Elsa Uresti , FNP-C

Nurse Practitioner

NPI 1164204061

Family Nurse Practitioner (Certified)

Dr. Thomas Hoffmann , MD

Dermatology - MOHS-Micrographic Surgery

NPI 1306885140

Doctor of Medicine (M.D.)

Vicki Brooks , HEARING AID DISPENSE

Hearing Instrument Specialist

NPI 1497820013

HEARINGAIDDISPENSE

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active October 30, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location October 30, 2007

Registered at 18095 US HIGHWAY 18, SUITE B, APPLE VALLEY, CA 923072189 (Tel: 7602428238)

📍

Updated Business Mailing Address October 30, 2007

Registered at 18095 US HIGHWAY 18, SUITE B, APPLE VALLEY, CA 923072189 (Tel: 7602428238)

👤

Provider Name / Credentials Updated October 30, 2007

Recorded as STEPHEN CHOW, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 30, 2007

Orthopaedic Surgery (License #A63842 in CA)

🟢

Initial NPI Registration & Enumeration June 22, 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: 1447296652

Entity Type:

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

Enumeration Date: June 22, 2006

Last Update: October 30, 2007

Sole Proprietor: No

Update or Correct Profile

Mailing Address

18095 Us Highway 18, Suite B

Apple Valley, CA 923072189

Phone: 7602428238

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.