Active NPI 1508844473 Individual Practitioner Male Practitioner

Dr. Mark D Grossnickle , MD

Orthopaedic Surgery • Greeley, CO

Professional Overview & Biography Verified Profile Summary

Dr. Mark Grossnickle, MD is a registered healthcare professional specializing in Orthopaedic Surgery in Greeley, CO. Practice services are available at 1900 16TH ST under active NPI credentials.

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

1900 16th St

Greeley, CO 806315114

Telephone 9703502427

Fax 9703502421

Associated Practice Facility / Clinic

🏢 Greeley Medical Clinic Facility NPI 1336124700

Specialty Benchmarks & Practice Insights

Comparative analytics for Orthopaedic Surgery in Greeley, CO

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 21.0 Yrs

State Avg: 23.2 Yrs

Regional Practice Density

12 Specialists

Practicing in Greeley, CO (505 Statewide)

Telehealth Adoption Rate

8.3% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

55.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2022)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	362	57	$4.00	$1.15
99213 Established patient office or other outpatient visit, typically 15 minutes	141	100	$167.00	$92.76
20610 Aspiration and/or injection of fluid from large joint	90	58	$166.67	$74.03
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	55	47	$99.00	$58.24
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	51	51	$222.00	$114.97
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	28	28	$338.00	$170.58
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	23	22	$244.00	$131.49
27447 Replacement of knee joint, both sides of knee	21	19	$3098.00	$1285.72

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	366	63	$4.00	$1.19
99213 Established patient office or other outpatient visit, typically 15 minutes	146	108	$161.04	$92.51
20610 Aspiration and/or injection of fluid from large joint	82	62	$162.46	$70.86
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	73	73	$338.00	$166.71
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	57	57	$222.00	$115.62
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	50	47	$233.88	$133.81
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	42	38	$95.36	$58.36
27447 Replacement of knee joint, both sides of knee	13	12	$3098.00	$1323.82

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	198	32	$4.00	$1.42
99213 Established patient office or other outpatient visit, typically 15 minutes	128	92	$149.62	$76.92
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	65	65	$218.23	$108.44
20610 Aspiration and/or injection of fluid from large joint	51	38	$156.00	$73.65
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	45	34	$90.00	$46.79
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	17	17	$220.24	$111.44
27447 Replacement of knee joint, both sides of knee	14	14	$3429.93	$1489.31

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	262	50	$4.00	$1.61
99213 Established patient office or other outpatient visit, typically 15 minutes	143	107	$146.02	$74.63
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	99	99	$214.43	$108.55
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	78	60	$88.27	$45.12
20610 Aspiration and/or injection of fluid from large joint	69	56	$137.36	$65.46
27447 Replacement of knee joint, both sides of knee	16	15	$3017.06	$1444.91
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	15	15	$214.80	$109.66
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope	12	12	$931.33	$166.48
29824 Partial removal of collar bone at shoulder using an endoscope	11	11	$1462.91	$283.85
27130 Replacement of thigh bone and hip joint with prosthesis	11	11	$2869.73	$1401.38

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	320	52	$3.50	$1.76
99213 Established patient office or other outpatient visit, typically 15 minutes	160	124	$144.47	$73.38
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	132	93	$86.47	$44.02
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	85	85	$214.00	$109.35
20610 Aspiration and/or injection of fluid from large joint	81	58	$136.54	$67.90
27447 Replacement of knee joint, both sides of knee	16	14	$2768.25	$1313.39
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	13	13	$212.38	$108.89
27130 Replacement of thigh bone and hip joint with prosthesis	12	11	$2772.00	$1402.35

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	525	73	$3.00	$1.77
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	168	107	$86.00	$42.65
99213 Established patient office or other outpatient visit, typically 15 minutes	156	110	$143.53	$70.89
20610 Aspiration and/or injection of fluid from large joint	153	80	$138.40	$67.38
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	101	101	$214.00	$104.45
J7324 Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	67	17	$731.00	$147.77
27447 Replacement of knee joint, both sides of knee	18	17	$2888.94	$1355.78

Medical Specialties & State Licenses

Orthopaedic Surgery Primary Specialty

NUCC Taxonomy Code: 207X00000X

State License CO 29337

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

01293372 (CO)

Commercial Insurance / Payer ID Medicare Railroad Carrier Ptan

P00944742 (CO)

Practice Associates & Co-Workers

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

3 Associated Practitioners

Dr. Brett Hunter , MD

Orthopaedic Surgery

NPI 1689652554

Doctor of Medicine (M.D.)

Michelle Simonsson , PA-C

Physician Assistant

NPI 1841262136

Physician Assistant (Certified)

Christopher Ellis , PA

Physician Assistant

NPI 1952377665

Physician Assistant

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active July 01, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location July 01, 2013

Registered at 1900 16TH ST, GREELEY, CO 806315114 (Tel: 9703502427)

📍

Updated Business Mailing Address July 01, 2013

Registered at 1900 16TH ST, GREELEY, CO 806315114 (Tel: 9703502427)

👤

Provider Name / Credentials Updated July 01, 2013

Recorded as MARK GROSSNICKLE, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 01, 2013

Orthopaedic Surgery (License #29337 in CO)

🟢

Initial NPI Registration & Enumeration January 02, 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: 1508844473

Entity Type:

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

Enumeration Date: January 02, 2006

Last Update: July 01, 2013

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1900 16th St

Greeley, CO 806315114

Phone: 9703502427

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.