Active NPI 1346403037 Individual Practitioner Male Practitioner

Joseph Victor Zwirko , PA-C

Physician Assistant • Springfield, MA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Joseph Zwirko, PA-C is a certified Physician Assistant practicing in Springfield, MA. With approximately 18 years of clinical experience since completing medical education in 2008, Joseph Zwirko delivers high-quality medical care to the local community at 300 BIRNIE AVE.

Joseph Zwirko maintains professional affiliations with Northeast Orthopaedic Alliance Pllc, Ortho Ma Llc and accepts Medicare assignment.

Frequently performed procedures and clinical services include injection, triamcinolone acetonide, not otherwise specified, 10 mg, aspiration and/or injection of fluid from large joint, 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

300 Birnie Ave
Suite 201

Springfield, MA 011071107

Telephone 4137854666

Fax 4138464756

Associated Practice Facility / Clinic

🏢 Chestnut Medical Associates, Inc Facility NPI 1679565543

Medicare Profile & Education

Medical School

Other

Graduation Year

2008

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Springfield, MA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

18 Yrs +6.5 yrs vs City Avg

City Avg: 11.5 Yrs

State Avg: 10.0 Yrs

Regional Practice Density

176 Specialists

Practicing in Springfield, MA (4746 Statewide)

Telehealth Adoption Rate

9.1% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

84.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Zwirko (18 Years) 18 Yrs

Springfield Specialty Average (11.5 Years) 11.5 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
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	4,055	349	$10.99	$0.98
20610 Aspiration and/or injection of fluid from large joint	655	293	$455.15	$63.98
99213 Established patient office or other outpatient visit, typically 15 minutes	183	148	$239.68	$78.12
73502 X-ray of hip, 2-3 views	174	89	$81.08	$21.93
73564 X-ray of knee, 4 or more views	168	92	$96.32	$26.29
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	130	122	$332.80	$110.89
73562 X-ray of knee, 3 views	125	70	$108.95	$21.42
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance	123	76	$559.48	$89.80
27447 Replacement of knee joint, both sides of knee	94	90	$2988.32	$173.22
73030 X-ray of shoulder, minimum of 2 views	57	30	$71.79	$18.47
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	49	49	$401.00	$143.10
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	46	46	$292.00	$95.63
J7326 Hyaluronan or derivative, gel-one, for intra-articular injection, per dose	43	21	$1650.00	$513.71
20550 Injection into tendon or ligament	37	24	$307.00	$36.19
73110 X-ray of wrist, minimum of 3 views	31	11	$68.13	$21.37
73130 X-ray of hand, minimum of 3 views	28	16	$78.93	$22.38
27130 Replacement of thigh bone and hip joint with prosthesis	27	27	$2784.00	$167.37
20600 Aspiration and/or injection of fluid from small joint	25	11	$379.08	$58.35
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	11	11	$141.82	$49.15

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	5,004	370	$10.98	$1.07
20610 Aspiration and/or injection of fluid from large joint	650	297	$464.08	$65.19
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	167	153	$328.58	$111.29
99213 Established patient office or other outpatient visit, typically 15 minutes	148	124	$238.24	$78.76
73564 X-ray of knee, 4 or more views	121	117	$67.34	$12.82
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance	113	77	$586.60	$94.59
73502 X-ray of hip, 2-3 views	101	79	$51.35	$9.64
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	79	79	$399.43	$144.35
73562 X-ray of knee, 3 views	74	70	$79.05	$8.80
27447 Replacement of knee joint, both sides of knee	74	71	$2985.24	$176.99
J7326 Hyaluronan or derivative, gel-one, for intra-articular injection, per dose	60	35	$1650.00	$510.51
73030 X-ray of shoulder, minimum of 2 views	39	33	$50.05	$9.45
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	36	36	$292.36	$97.68
20550 Injection into tendon or ligament	36	28	$307.00	$41.48
73110 X-ray of wrist, minimum of 3 views	33	21	$46.67	$7.92
73130 X-ray of hand, minimum of 3 views	21	16	$60.67	$7.95
27130 Replacement of thigh bone and hip joint with prosthesis	20	19	$2784.00	$177.06
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	19	17	$141.58	$49.38
20605 Aspiration and/or injection of medium joint or joint capsule	19	15	$350.84	$49.57
20551 Injection into tendon at attachment to bone or muscle	16	11	$197.00	$39.57

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	4,100	330	$10.97	$1.14
20610 Aspiration and/or injection of fluid from large joint	499	251	$472.73	$68.35
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	176	151	$253.00	$113.23
99213 Established patient office or other outpatient visit, typically 15 minutes	125	104	$182.23	$80.39
73502 X-ray of hip, 2-3 views	89	72	$45.30	$10.27
73564 X-ray of knee, 4 or more views	88	84	$62.00	$14.47
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	80	80	$339.00	$147.28
27447 Replacement of knee joint, both sides of knee	68	67	$3053.93	$178.22
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance	66	56	$559.67	$93.90
73562 X-ray of knee, 3 views	57	53	$57.47	$9.68
J7323 Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose	53	13	$330.00	$130.65
73110 X-ray of wrist, minimum of 3 views	52	32	$34.90	$7.92
20550 Injection into tendon or ligament	44	31	$291.48	$42.09
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	37	37	$292.00	$99.02
J7326 Hyaluronan or derivative, gel-one, for intra-articular injection, per dose	35	19	$1650.00	$732.05
73130 X-ray of hand, minimum of 3 views	34	30	$62.24	$10.16
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	31	29	$116.00	$50.03
73030 X-ray of shoulder, minimum of 2 views	24	24	$45.08	$10.44
20600 Aspiration and/or injection of fluid from small joint	24	15	$324.00	$48.35
27130 Replacement of thigh bone and hip joint with prosthesis	19	18	$3014.53	$180.75
20605 Aspiration and/or injection of medium joint or joint capsule	18	12	$363.89	$52.76
Q4010 Cast supplies, short arm cast, adult (11 years +), fiberglass	17	13	$65.00	$21.14
29075 Application of elbow to finger cast	17	13	$289.00	$77.03
20551 Injection into tendon at attachment to bone or muscle	17	13	$197.00	$45.73
73140 X-ray of finger, minimum of 2 views	17	16	$29.65	$6.35

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	3,842	302	$11.00	$1.27
20610 Aspiration and/or injection of fluid from large joint	509	252	$470.16	$67.52
99213 Established patient office or other outpatient visit, typically 15 minutes	162	134	$182.00	$81.40
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	157	142	$253.00	$115.42
73564 X-ray of knee, 4 or more views	100	95	$59.84	$13.01
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance	83	54	$587.13	$96.12
J7323 Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose	76	17	$338.68	$134.81
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	68	68	$339.00	$147.75
73502 X-ray of hip, 2-3 views	62	45	$44.00	$9.78
73562 X-ray of knee, 3 views	58	54	$56.03	$9.25
27447 Replacement of knee joint, both sides of knee	54	53	$2988.00	$183.28
J7326 Hyaluronan or derivative, gel-one, for intra-articular injection, per dose	49	30	$1683.67	$1219.00
73030 X-ray of shoulder, minimum of 2 views	34	32	$43.41	$9.95
73110 X-ray of wrist, minimum of 3 views	33	16	$33.00	$7.62
20550 Injection into tendon or ligament	30	17	$296.57	$40.61
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	26	26	$292.00	$99.95
20600 Aspiration and/or injection of fluid from small joint	21	16	$277.71	$43.23
27130 Replacement of thigh bone and hip joint with prosthesis	19	19	$3014.53	$183.52
73130 X-ray of hand, minimum of 3 views	18	17	$61.33	$10.16
20551 Injection into tendon at attachment to bone or muscle	17	11	$197.00	$46.96
20605 Aspiration and/or injection of medium joint or joint capsule	17	11	$369.88	$47.72
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	13	13	$116.00	$50.24

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	3,136	279	$11.00	$1.47
20610 Aspiration and/or injection of fluid from large joint	420	216	$458.51	$64.34
99213 Established patient office or other outpatient visit, typically 15 minutes	246	181	$182.00	$66.96
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	99	90	$253.00	$97.19
73564 X-ray of knee, 4 or more views	81	77	$56.49	$13.14
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	80	80	$292.00	$96.24
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance	76	62	$552.61	$89.81
73502 X-ray of hip, 2-3 views	70	57	$44.00	$10.08
73562 X-ray of knee, 3 views	59	54	$53.39	$9.08
27447 Replacement of knee joint, both sides of knee	52	50	$2988.00	$197.39
73110 X-ray of wrist, minimum of 3 views	44	24	$33.75	$8.07
73130 X-ray of hand, minimum of 3 views	32	22	$55.31	$10.02
27130 Replacement of thigh bone and hip joint with prosthesis	32	31	$2784.00	$185.25
J7326 Hyaluronan or derivative, gel-one, for intra-articular injection, per dose	26	17	$1650.00	$1182.06
73030 X-ray of shoulder, minimum of 2 views	21	20	$46.48	$11.71
20605 Aspiration and/or injection of medium joint or joint capsule	20	13	$314.40	$47.17
29075 Application of elbow to finger cast	20	14	$289.00	$77.71
Q4010 Cast supplies, short arm cast, adult (11 years +), fiberglass	19	14	$65.00	$20.17

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	3,096	268	$11.04	$1.59
20610 Aspiration and/or injection of fluid from large joint	520	240	$469.77	$63.23
99213 Established patient office or other outpatient visit, typically 15 minutes	293	229	$182.00	$65.90
73564 X-ray of knee, 4 or more views	110	105	$58.40	$13.28
J7323 Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose	95	20	$330.00	$141.74
73562 X-ray of knee, 3 views	93	80	$57.27	$9.75
73502 X-ray of hip, 2-3 views	81	59	$44.72	$10.28
27447 Replacement of knee joint, both sides of knee	71	67	$2985.13	$196.33
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	61	61	$292.00	$96.21
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	48	47	$116.00	$40.19
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	40	39	$253.00	$95.53
27130 Replacement of thigh bone and hip joint with prosthesis	32	30	$2784.00	$196.44
99202 New patient office or other outpatient visit, typically 20 minutes	31	31	$270.00	$67.91
20550 Injection into tendon or ligament	23	14	$311.96	$42.38
73030 X-ray of shoulder, minimum of 2 views	22	21	$42.55	$9.96
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance	20	19	$581.90	$88.79
73100 X-ray of wrist, 2 views	17	12	$28.00	$7.51
20600 Aspiration and/or injection of fluid from small joint	15	11	$307.80	$46.33
29075 Application of elbow to finger cast	14	11	$289.00	$78.00
73130 X-ray of hand, minimum of 3 views	13	11	$67.08	$13.63

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J7328 Hyaluronan or derivative, gelsyn-3, for intra-articular injection, 0.1 mg	8,058	14	$4.41	$2.05
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	3,725	298	$10.23	$1.79
20610 Aspiration and/or injection of fluid from large joint	599	283	$449.31	$65.35
99213 Established patient office or other outpatient visit, typically 15 minutes	428	320	$167.58	$64.77
73564 X-ray of knee, 4 or more views	138	135	$57.54	$14.18
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	121	121	$270.36	$96.17
73502 X-ray of hip, 2-3 views	112	78	$41.04	$10.18
J7323 Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose	108	25	$303.89	$146.46
73562 X-ray of knee, 3 views	93	85	$51.02	$9.23
27447 Replacement of knee joint, both sides of knee	80	74	$2815.24	$196.48
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	46	41	$236.00	$95.67
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance	45	39	$537.69	$85.44
73030 X-ray of shoulder, minimum of 2 views	40	39	$42.00	$10.66
27130 Replacement of thigh bone and hip joint with prosthesis	24	24	$2583.71	$196.49
73100 X-ray of wrist, 2 views	21	12	$28.10	$8.55
73560 X-ray of knee, 1-2 views	19	17	$53.05	$9.46
J7326 Hyaluronan or derivative, gel-one, for intra-articular injection, per dose	18	11	$1525.00	$515.06
20550 Injection into tendon or ligament	17	12	$271.71	$40.45
20605 Aspiration and/or injection of medium joint or joint capsule	16	12	$248.50	$39.62
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	14	14	$107.36	$39.33

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	3,764	315	$10.00	$1.80
20610 Aspiration and/or injection of fluid from large joint	662	317	$396.94	$59.96
99213 Established patient office or other outpatient visit, typically 15 minutes	536	366	$165.00	$64.06
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	153	153	$265.00	$93.14
73564 X-ray of knee, 4 or more views	145	142	$52.41	$12.72
73502 X-ray of hip, 2-3 views	113	84	$40.00	$9.87
J7323 Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose	106	32	$300.00	$152.07
73562 X-ray of knee, 3 views	98	88	$49.38	$9.29
27447 Replacement of knee joint, both sides of knee	73	70	$2717.00	$188.65
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	65	62	$230.54	$93.33
73030 X-ray of shoulder, minimum of 2 views	34	33	$36.88	$9.31
27130 Replacement of thigh bone and hip joint with prosthesis	30	30	$2537.20	$185.98
J7326 Hyaluronan or derivative, gel-one, for intra-articular injection, per dose	23	15	$1500.00	$532.68
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	23	23	$105.00	$38.48
73100 X-ray of wrist, 2 views	23	17	$25.00	$7.40
20605 Aspiration and/or injection of medium joint or joint capsule	17	14	$238.00	$36.46
29075 Application of elbow to finger cast	16	11	$263.00	$77.49
Q4010 Cast supplies, short arm cast, adult (11 years +), fiberglass	16	11	$26.00	$19.07
99202 New patient office or other outpatient visit, typically 20 minutes	15	15	$245.00	$65.75
72020 X-ray of spine, 1 view	11	11	$39.00	$6.76

Medical Specialties & State Licenses

CMS Verified: 2023-11-15

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License MA 2557

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Hospital & Practice Group Affiliations

Ortho Ma Llc

53 Southampton Rd, Westfield, MA 010851786

Phone: 4133352606

Northeast Orthopaedic Alliance Pllc

150 Flanders Rd, Westborough, MA 015811017

Phone: 7818902133

Ortho Ma Llc

35 Post Office Park, Wilbraham, MA 010951172

Phone: 4138367846

Practice Associates & Co-Workers

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

40 Associated Practitioners

Cameron Card , CNP

Nurse Practitioner

NPI 1003597303

Certified Nurse Practitioner

Dr. Robert Cowan , MD

Orthopaedic Surgery

NPI 1003834490

Doctor of Medicine (M.D.)

Samantha Bouthillette , PA-C

Physician Assistant - Surgical

NPI 1013268218

Physician Assistant (Certified)

Dr. Stephen Stratton , DPT

Physical Therapist

NPI 1013800580

Doctor of Physical Therapy

Dr. Robert Krushell , MD

Orthopaedic Surgery

NPI 1013935105

Doctor of Medicine (M.D.)

Tamer Bahgat , PA-C

Physician Assistant

NPI 1013938356

Physician Assistant (Certified)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active March 03, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location March 03, 2011

Registered at 300 BIRNIE AVE, SUITE 201, SPRINGFIELD, MA 011071107 (Tel: 4137854666)

📍

Updated Business Mailing Address March 03, 2011

Registered at 300 BIRNIE AVE, SUITE 201, SPRINGFIELD, MA 011071107 (Tel: 4137854666)

👤

Provider Name / Credentials Updated March 03, 2011

Recorded as JOSEPH ZWIRKO, PA-C

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 03, 2011

Physician Assistant (License #2557 in MA)

🟢

Initial NPI Registration & Enumeration July 03, 2008

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: 1346403037

Entity Type:

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

Enumeration Date: July 03, 2008

Last Update: November 15, 2023

Sole Proprietor: No

Update or Correct Profile

Mailing Address

300 Birnie Ave, Suite 201

Springfield, MA 011071107

Phone: 4137854666

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.