Active NPI 1831178599 Individual Practitioner Male Practitioner

Dr. William H Warden , MD

Specialist • Long Beach, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. William Warden, MD is a certified Specialist practicing in Long Beach, CA. With approximately 36 years of clinical experience since graduating from Columbia University College Of Physicians And Surgeons in 1990, Dr. Warden delivers high-quality medical care to the local community at 2760 ATLANTIC AVE.

Dr. Warden is affiliated with Memorial Orthopaedic Surgical Group and accepts Medicare assignment.

Frequently performed procedures and clinical services include injection, bupivicaine, not otherwise specified, 0.5 mg, injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2760 Atlantic Ave

Long Beach, CA 908062755

Telephone 5624246666

Fax 5624247122

Associated Practice Facility / Clinic

🏢 Memorial Orthopaedic Surgical Group Facility NPI 1255414546

Medicare Profile & Education

Medical School

Columbia University College Of Physicians And Surgeons

Graduation Year

1990

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Specialist in Long Beach, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

36 Yrs +2.8 yrs vs City Avg

City Avg: 33.2 Yrs

State Avg: 38.0 Yrs

Regional Practice Density

119 Specialists

Practicing in Long Beach, CA (6446 Statewide)

Telehealth Adoption Rate

5.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

63.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Warden (36 Years) 36 Yrs

Long Beach Specialty Average (33.2 Years) 33.2 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
J0665 Injection, bupivicaine, not otherwise specified, 0.5 mg	2,425	128	$0.93	$0.01
J3304 Injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg	1,440	23	$45.00	$16.74
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	382	280	$297.00	$136.82
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	371	133	$15.00	$7.01
73564 X-ray of knee, 4 or more views	318	236	$113.36	$53.53
99213 Established patient office or other outpatient visit, typically 15 minutes	309	193	$200.00	$97.73
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance	242	105	$317.52	$121.37
J7324 Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	194	48	$450.00	$123.48
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	136	136	$299.00	$119.37
73030 X-ray of shoulder, minimum of 2 views	129	109	$82.00	$39.66
20610 Aspiration and/or injection of fluid from large joint	101	93	$186.84	$74.85
J1885 Injection, ketorolac tromethamine, per 15 mg	32	16	$1.00	$0.70
73562 X-ray of knee, 3 views	31	30	$100.13	$46.72
27447 Replacement of knee joint, both sides of knee	27	27	$3761.00	$1338.91
73560 X-ray of knee, 1-2 views	25	13	$83.00	$37.77
73080 X-ray of elbow, minimum of 3 views	21	21	$89.00	$37.40
20610 Aspiration and/or injection of fluid from large joint	19	19	$167.00	$27.09
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	12	11	$122.00	$61.86

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3304 Injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg	1,412	24	$45.00	$16.16
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	330	245	$297.00	$137.46
73564 X-ray of knee, 4 or more views	311	234	$113.36	$53.88
99213 Established patient office or other outpatient visit, typically 15 minutes	311	187	$200.00	$97.30
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	300	110	$15.00	$6.50
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance	239	96	$323.67	$124.42
J7324 Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	224	48	$450.00	$126.24
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	151	151	$299.00	$120.99
20610 Aspiration and/or injection of fluid from large joint	92	77	$192.41	$75.01
73030 X-ray of shoulder, minimum of 2 views	82	72	$82.00	$39.53
73560 X-ray of knee, 1-2 views	33	15	$83.00	$38.48
J1885 Injection, ketorolac tromethamine, per 15 mg	30	11	$1.00	$0.57
73562 X-ray of knee, 3 views	30	27	$97.00	$47.09
27447 Replacement of knee joint, both sides of knee	23	22	$3761.00	$1364.10
20610 Aspiration and/or injection of fluid from large joint	20	20	$167.00	$24.91
29881 Removal of knee cartilage using an endoscope	16	16	$1515.00	$591.83

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3304 Injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg	896	18	$45.00	$17.01
73564 X-ray of knee, 4 or more views	293	220	$113.00	$54.20
99213 Established patient office or other outpatient visit, typically 15 minutes	279	178	$200.00	$99.78
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	273	94	$15.00	$6.58
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	259	200	$297.00	$139.53
J7324 Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	174	43	$452.59	$143.88
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance	174	76	$341.19	$129.99
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	118	118	$299.00	$123.21
20610 Aspiration and/or injection of fluid from large joint	106	83	$195.60	$76.09
73030 X-ray of shoulder, minimum of 2 views	67	60	$83.22	$40.38
73562 X-ray of knee, 3 views	30	27	$97.00	$48.07
73560 X-ray of knee, 1-2 views	28	18	$83.00	$40.08
27447 Replacement of knee joint, both sides of knee	24	24	$3780.92	$1386.22
73080 X-ray of elbow, minimum of 3 views	15	12	$89.00	$38.13
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$452.00	$171.55

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3304 Injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg	641	14	$45.00	$17.93
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	281	197	$297.00	$142.93
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	251	92	$15.00	$6.98
73564 X-ray of knee, 4 or more views	232	178	$114.95	$53.41
99213 Established patient office or other outpatient visit, typically 15 minutes	222	132	$200.00	$101.72
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance	171	75	$317.12	$124.36
J7324 Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	151	46	$461.92	$136.88
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	99	99	$299.00	$123.48
73030 X-ray of shoulder, minimum of 2 views	85	74	$82.96	$39.62
20610 Aspiration and/or injection of fluid from large joint	83	76	$183.25	$74.06
J1885 Injection, ketorolac tromethamine, per 15 mg	28	13	$1.00	$0.51
73560 X-ray of knee, 1-2 views	25	17	$92.96	$40.12
73080 X-ray of elbow, minimum of 3 views	22	17	$93.05	$37.59
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$452.00	$185.35

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	218	70	$15.00	$6.91
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	182	140	$297.00	$120.75
99213 Established patient office or other outpatient visit, typically 15 minutes	160	106	$200.00	$83.64
73564 X-ray of knee, 4 or more views	159	134	$117.26	$50.38
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance	101	49	$302.80	$117.61
J7324 Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	81	27	$455.56	$134.66
20610 Aspiration and/or injection of fluid from large joint	69	53	$196.04	$74.21
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	58	58	$299.00	$116.71
73030 X-ray of shoulder, minimum of 2 views	57	51	$86.32	$38.43
J1885 Injection, ketorolac tromethamine, per 15 mg	34	16	$1.00	$0.58

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	258	90	$15.00	$6.74
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	228	166	$297.00	$120.10
73564 X-ray of knee, 4 or more views	217	162	$113.00	$47.45
99213 Established patient office or other outpatient visit, typically 15 minutes	190	118	$200.00	$81.90
J7324 Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	104	32	$450.00	$287.27
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance	99	50	$316.71	$114.00
20610 Aspiration and/or injection of fluid from large joint	92	82	$194.23	$69.80
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	81	81	$299.00	$117.42
73030 X-ray of shoulder, minimum of 2 views	56	49	$82.00	$34.72
J1885 Injection, ketorolac tromethamine, per 15 mg	30	14	$1.00	$0.49
73562 X-ray of knee, 3 views	15	13	$97.00	$43.18
27447 Replacement of knee joint, both sides of knee	12	12	$3761.00	$1483.22

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	269	156	$200.00	$79.85
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	268	92	$15.00	$7.10
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	216	170	$297.00	$116.45
73564 X-ray of knee, 4 or more views	195	158	$115.32	$45.18
J7324 Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	99	32	$450.00	$142.31
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance	97	47	$307.34	$108.68
20610 Aspiration and/or injection of fluid from large joint	96	82	$193.09	$71.19
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	86	86	$299.00	$116.96
73030 X-ray of shoulder, minimum of 2 views	64	57	$82.00	$32.50
73560 X-ray of knee, 1-2 views	38	20	$83.00	$35.62
J1885 Injection, ketorolac tromethamine, per 15 mg	35	15	$1.00	$0.58
73010 X-ray of shoulder blade	25	16	$85.00	$34.77
73562 X-ray of knee, 3 views	18	18	$97.00	$40.97
73080 X-ray of elbow, minimum of 3 views	17	14	$89.00	$35.97
27447 Replacement of knee joint, both sides of knee	11	11	$3761.00	$1466.63

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	313	99	$15.00	$6.62
99213 Established patient office or other outpatient visit, typically 15 minutes	250	164	$200.00	$79.01
73564 X-ray of knee, 4 or more views	239	180	$113.47	$44.80
J2795 Injection, ropivacaine hydrochloride, 1 mg	235	58	$14.94	$0.07
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	216	173	$297.00	$115.63
J7324 Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	133	37	$450.00	$148.36
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance	122	59	$332.84	$113.76
20610 Aspiration and/or injection of fluid from large joint	110	89	$187.35	$68.16
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	108	108	$299.00	$117.07
73030 X-ray of shoulder, minimum of 2 views	58	51	$82.00	$32.34
J1885 Injection, ketorolac tromethamine, per 15 mg	46	18	$1.00	$0.61
73560 X-ray of knee, 1-2 views	26	14	$83.00	$34.97
73562 X-ray of knee, 3 views	21	17	$97.00	$40.69
27447 Replacement of knee joint, both sides of knee	16	16	$3996.06	$1518.41
29881 Removal of knee cartilage using an endoscope	12	12	$1515.00	$594.27

Medical Specialties & State Licenses

Specialist Primary Specialty

NUCC Taxonomy Code: 174400000X

State License CA G81143

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Hospital & Practice Group Affiliations

Memorial Orthopaedic Surgical Group

2760 Atlantic Ave, Long Beach, CA 908062755

Phone: 5624246666

Practice Associates & Co-Workers

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

16 Associated Practitioners

Melyssa Engstrom

Health Educator

NPI 1184986630

Dr. Mia Nguyen , PT, DPT

Physical Therapist

NPI 1215473491

Physical Therapist, Doctor of Physical Therapy

Dr. James Gilmer , DPT

Physical Therapist

NPI 1255525051

Doctor of Physical Therapy

Dr. Leo Zalikha , MD

Orthopaedic Surgery

NPI 1255994562

Doctor of Medicine (M.D.)

Dr. David Morrison , MD

Specialist

NPI 1326027947

Doctor of Medicine (M.D.)

Dr. Douglas Jackson , MD

Specialist

NPI 1386624484

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 July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 2760 ATLANTIC AVE, LONG BEACH, CA 908062755 (Tel: 5624246666)

📍

Updated Business Mailing Address July 08, 2007

Registered at 2760 ATLANTIC AVE, LONG BEACH, CA 908062755 (Tel: 5624246666)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as WILLIAM WARDEN, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Specialist (License #G81143 in CA)

🟢

Initial NPI Registration & Enumeration January 11, 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: 1831178599

Entity Type:

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

Enumeration Date: January 11, 2006

Last Update: July 13, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2760 Atlantic Ave

Long Beach, CA 908062755

Phone: 5624246666

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.