Active NPI 1093978223 Individual Practitioner Male Practitioner

Dr. William C. Kramer , MD

Orthopaedic Surgery • Boulder, CO

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. William Kramer, MD is a certified Orthopaedic Surgery practicing in Boulder, CO. With approximately 18 years of clinical experience since completing medical education in 2008, Dr. Kramer delivers high-quality medical care to the local community at 4740 PEARL PKWY STE 200.

Dr. Kramer maintains professional affiliations with Select Physical Therapy Of West Denver Limited Partnership, Bouldercentre For Orthopedics Pc, Wray Community District Hospital and accepts Medicare assignment.

Frequently performed procedures and clinical services include injection, methylprednisolone acetate, 1 mg, established patient outpatient office visit, x-ray of foot, minimum of 3 views. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

4740 Pearl Pkwy Ste 200

Boulder, CO 803013080

Telephone 3034492730

Fax 3034495821

Associated Practice Facility / Clinic

🏢 Bouldercentre For Orthopedics Facility NPI 1952427049

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 Orthopaedic Surgery in Boulder, CO

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

18 Yrs -4.5 yrs vs City Avg

City Avg: 22.5 Yrs

State Avg: 23.2 Yrs

Regional Practice Density

20 Specialists

Practicing in Boulder, CO (505 Statewide)

Telehealth Adoption Rate

10.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

58.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Kramer (18 Years) 18 Yrs

Boulder Specialty Average (22.5 Years) 22.5 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
J1010 Injection, methylprednisolone acetate, 1 mg	1,884	35	$0.92	$0.13
99213 Established patient office or other outpatient visit, typically 15 minutes	244	189	$219.33	$91.40
73630 X-ray of foot, minimum of 3 views	164	118	$83.35	$35.07
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	153	133	$287.32	$127.76
20610 Aspiration and/or injection of fluid from large joint	61	48	$206.40	$73.92
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	61	61	$273.99	$112.10
73610 X-ray of ankle, minimum of 3 views	47	37	$90.91	$37.46
73562 X-ray of knee, 3 views	46	40	$101.00	$41.98
20605 Aspiration and/or injection of medium joint or joint capsule	21	19	$143.48	$56.70
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	20	20	$378.82	$162.02
73600 X-ray of ankle, 2 views	18	15	$71.11	$32.95

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J7328 Hyaluronan or derivative, gelsyn-3, for intra-articular injection, 0.1 mg	37,302	49	$6.00	$0.72
99213 Established patient office or other outpatient visit, typically 15 minutes	369	255	$182.55	$91.84
20610 Aspiration and/or injection of fluid from large joint	302	126	$242.02	$81.13
73630 X-ray of foot, minimum of 3 views	208	133	$81.00	$36.18
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	165	144	$256.28	$130.08
97140 Therapy procedure using manual technique, each 15 minutes	135	88	$76.89	$21.37
J1030 Injection, methylprednisolone acetate, 40 mg	93	70	$27.00	$7.67
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	89	13	$4.01	$1.11
97112 Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes	89	59	$89.57	$29.74
97110 Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes	87	66	$82.90	$24.46
73562 X-ray of knee, 3 views	79	66	$96.00	$42.37
73610 X-ray of ankle, minimum of 3 views	75	56	$87.00	$39.02
J7323 Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose	71	17	$275.00	$126.74
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	61	61	$271.00	$114.48
J7321 Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose	53	15	$278.67	$73.04
97530 Therapy procedure using functional activities	51	38	$88.00	$35.21
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	38	38	$377.79	$168.41
20605 Aspiration and/or injection of medium joint or joint capsule	26	25	$130.02	$54.51
28308 Incision to straighten toe bone (other than the big toe) at the midfoot bone (metatarsal) level	17	12	$1245.13	$208.43
97161 Evaluation of physical therapy, typically 20 minutes	15	15	$251.80	$103.95
73564 X-ray of knee, 4 or more views	14	14	$112.00	$49.26

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J7328 Hyaluronan or derivative, gelsyn-3, for intra-articular injection, 0.1 mg	12,600	24	$6.00	$1.78
97140 Therapy procedure using manual technique, each 15 minutes	683	277	$64.52	$23.18
99213 Established patient office or other outpatient visit, typically 15 minutes	465	354	$178.85	$93.22
97110 Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes	317	182	$66.69	$26.34
73630 X-ray of foot, minimum of 3 views	259	187	$79.79	$36.76
20610 Aspiration and/or injection of fluid from large joint	219	113	$216.23	$76.90
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	187	163	$261.27	$131.13
97112 Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes	130	83	$63.00	$32.27
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	116	14	$3.94	$1.13
J1030 Injection, methylprednisolone acetate, 40 mg	99	73	$27.00	$6.41
73610 X-ray of ankle, minimum of 3 views	92	73	$87.00	$39.47
J7321 Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose	87	19	$275.00	$74.68
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	69	69	$270.04	$115.17
73562 X-ray of knee, 3 views	63	55	$94.48	$43.78
97530 Therapy procedure using functional activities	62	52	$66.00	$35.75
97035 Application of ultrasound, each 15 minutes	44	33	$29.00	$11.01
97161 Evaluation of physical therapy, typically 20 minutes	40	40	$160.00	$102.28
97018 Application of hot wax bath	36	26	$25.00	$4.11
73030 X-ray of shoulder, minimum of 2 views	32	20	$80.00	$37.00
20605 Aspiration and/or injection of medium joint or joint capsule	31	24	$129.29	$55.84
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	31	31	$403.45	$171.19
73502 X-ray of hip, 2-3 views	22	21	$80.00	$50.33
G0283 Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care	19	17	$25.00	$9.03
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	17	15	$109.29	$58.43
97162 Evaluation for physical therapy, typically 30 minutes	16	16	$160.00	$104.16
73620 X-ray of foot, 2 views	12	11	$70.00	$30.07

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
97140 Therapy procedure using manual technique, each 15 minutes	512	206	$57.00	$23.89
99213 Established patient office or other outpatient visit, typically 15 minutes	366	263	$177.26	$94.13
97110 Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes	235	145	$60.00	$27.75
73630 X-ray of foot, minimum of 3 views	187	120	$80.57	$36.31
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	130	115	$260.25	$133.57
20610 Aspiration and/or injection of fluid from large joint	118	82	$195.42	$74.75
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	88	15	$3.89	$1.28
73610 X-ray of ankle, minimum of 3 views	73	51	$85.08	$37.83
97035 Application of ultrasound, each 15 minutes	55	41	$29.00	$11.04
J1030 Injection, methylprednisolone acetate, 40 mg	52	43	$27.00	$5.69
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	51	51	$269.58	$116.19
J7321 Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose	43	19	$292.07	$75.27
73562 X-ray of knee, 3 views	43	38	$93.77	$43.10
97112 Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes	36	29	$63.00	$35.04
97161 Evaluation of physical therapy, typically 20 minutes	31	30	$160.00	$104.92
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	30	30	$392.82	$173.28
97018 Application of hot wax bath	24	19	$25.00	$4.24
73030 X-ray of shoulder, minimum of 2 views	18	16	$80.00	$36.42
20605 Aspiration and/or injection of medium joint or joint capsule	17	14	$137.18	$58.03

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
97140 Therapy procedure using manual technique, each 15 minutes	513	197	$57.00	$24.70
99213 Established patient office or other outpatient visit, typically 15 minutes	289	192	$176.65	$76.47
97110 Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes	223	140	$60.00	$29.26
73630 X-ray of foot, minimum of 3 views	114	78	$80.29	$33.93
20610 Aspiration and/or injection of fluid from large joint	83	60	$186.33	$67.67
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	77	12	$3.94	$1.43
97035 Application of ultrasound, each 15 minutes	64	44	$29.00	$11.49
J1030 Injection, methylprednisolone acetate, 40 mg	49	40	$27.00	$5.99
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	48	48	$271.00	$109.29
97018 Application of hot wax bath	44	29	$25.00	$4.37
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	36	34	$237.50	$112.38
73610 X-ray of ankle, minimum of 3 views	34	33	$87.00	$36.34
73562 X-ray of knee, 3 views	32	30	$96.00	$39.87
97112 Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes	31	22	$63.00	$34.67
G0283 Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care	25	19	$25.00	$10.32
97161 Evaluation of physical therapy, typically 20 minutes	20	20	$160.00	$89.39
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$342.55	$169.23

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
97140 Therapy procedure using manual technique, each 15 minutes	1,106	308	$57.00	$24.32
97110 Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes	359	193	$60.00	$29.13
99213 Established patient office or other outpatient visit, typically 15 minutes	340	208	$178.13	$74.72
73630 X-ray of foot, minimum of 3 views	142	89	$80.43	$31.97
97035 Application of ultrasound, each 15 minutes	122	63	$29.00	$10.98
97018 Application of hot wax bath	76	42	$25.00	$4.88
20610 Aspiration and/or injection of fluid from large joint	72	46	$194.22	$68.37
97112 Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes	71	41	$63.00	$33.33
J1030 Injection, methylprednisolone acetate, 40 mg	58	38	$27.00	$6.28
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	57	57	$266.38	$108.92
G0283 Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care	52	35	$25.00	$10.23
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	48	42	$250.40	$110.63
73610 X-ray of ankle, minimum of 3 views	29	24	$87.00	$34.18
73562 X-ray of knee, 3 views	25	21	$96.00	$38.18
97161 Evaluation of physical therapy, typically 20 minutes	23	23	$160.00	$86.75
72110 X-ray of lower and sacral spine, minimum of 4 views	17	15	$127.00	$52.29
97530 Therapy procedure using functional activities	13	11	$66.00	$40.89

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
97140 Therapy procedure using manual technique, each 15 minutes	1,147	304	$57.00	$24.00
97110 Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes	460	205	$60.00	$28.35
99213 Established patient office or other outpatient visit, typically 15 minutes	260	167	$181.09	$73.84
97035 Application of ultrasound, each 15 minutes	137	64	$29.00	$10.70
73630 X-ray of foot, minimum of 3 views	124	81	$81.00	$29.87
97112 Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes	74	46	$63.00	$33.32
97018 Application of hot wax bath	72	31	$25.00	$5.74
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	63	63	$267.99	$107.85
20610 Aspiration and/or injection of fluid from large joint	54	32	$206.45	$69.67
97530 Therapy procedure using functional activities	52	20	$66.00	$38.10
97161 Evaluation of physical therapy, typically 20 minutes	42	42	$160.00	$83.20
73610 X-ray of ankle, minimum of 3 views	41	29	$87.00	$32.08
G0283 Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care	24	18	$25.00	$10.89
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	23	22	$249.91	$108.95
J1030 Injection, methylprednisolone acetate, 40 mg	22	16	$27.00	$6.66
73562 X-ray of knee, 3 views	14	12	$96.00	$36.33

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	252	157	$183.00	$73.19
97140 Therapy procedure using manual technique, each 15 minutes	134	68	$57.00	$25.16
73630 X-ray of foot, minimum of 3 views	120	71	$81.00	$28.96
97110 Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes	90	53	$60.00	$29.55
20610 Aspiration and/or injection of fluid from large joint	80	48	$212.93	$71.11
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	65	65	$271.00	$109.07
J7321 Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose	60	22	$275.00	$85.11
J1030 Injection, methylprednisolone acetate, 40 mg	40	30	$27.00	$5.74
73610 X-ray of ankle, minimum of 3 views	33	25	$87.00	$31.85
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	21	21	$270.00	$108.16
73564 X-ray of knee, 4 or more views	20	19	$117.60	$40.23
72170 X-ray of pelvis, 1-2 views	19	17	$75.00	$32.30
97112 Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes	18	13	$63.00	$32.25
97035 Application of ultrasound, each 15 minutes	17	14	$29.00	$10.30
73562 X-ray of knee, 3 views	15	14	$96.00	$36.30
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	13	13	$511.00	$203.88
97161 Evaluation of physical therapy, typically 20 minutes	11	11	$160.00	$82.05

Medical Specialties & State Licenses

CMS Verified: 2026-02-26

Orthopaedic Surgery Primary Specialty

NUCC Taxonomy Code: 207X00000X

State License CO DR0053611

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.

Orthopaedic Surgery

NUCC Taxonomy Code: 207X00000X

State License KS 94-06920

Hospital & Practice Group Affiliations

Wray Community District Hospital

1017 W 7th St, Wray, CO 807581420

Phone: 9703324811

Select Physical Therapy Of West Denver Limited Partnership

2964 Ginnala Dr, Loveland, CO 805382701

Phone: 9706677755

Bouldercentre For Orthopedics Pc

4740 Pearl Pkwy, Boulder, CO 803013080

Phone: 3034492730

Practice Associates & Co-Workers

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

40 Associated Practitioners

Courtney Whalen , OTR, L

Occupational Therapist

NPI 1023860863

Occupational Therapist Registered, L

Sara Kadlec , PA

Physician Assistant

NPI 1073898664

Physician Assistant

Dr. Aaron Shaver , DPT

Physical Therapist

NPI 1114579950

Doctor of Physical Therapy

Dr. Stephen Paul , MD

Orthopaedic Surgery

NPI 1114976354

Doctor of Medicine (M.D.)

Dr. James Rector , MD

Orthopaedic Surgery

NPI 1124076591

Doctor of Medicine (M.D.)

Dr. Brian Davis , MD

Orthopaedic Surgery - Sports Medicine

NPI 1124473194

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

15 Historical Events

📍

Updated Business Mailing Address February 26, 2026

Registered at 4740 PEARL PKWY STE 200, BOULDER, CO 803013080 (Tel: 3034492730)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 26, 2026

Orthopaedic Surgery (License #DR0053611 in CO)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 21, 2022

Orthopaedic Surgery (License #94-06920 in KS)

✅

NPI Profile Active August 18, 2017

NPI status registered as active in NPPES database

📍

Updated Business Mailing Address August 18, 2017

Registered at 4740 PEARL PARKWAY, SUITE 200, BOULDER, CO 803013078 (Tel: (303) 449-2730)

📍

Updated Practice Location August 18, 2017

Registered at 4740 PEARL PKWY STE 200, BOULDER, CO 803013080 (Tel: 3034492730)

👤

Provider Name / Credentials Updated August 18, 2017

Recorded as WILLIAM KRAMER, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 18, 2017

Orthopaedic Surgery (License #DR0053611 in CO)

📍

Updated Practice Location June 28, 2017

Registered at 4740 PEARL PKWY STE 200, BOULDER, CO 803013080 (Tel: 3034492730)

✅

NPI Profile Active July 24, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location July 24, 2015

Registered at MS 3017 3901 RAINBOW BLVD, KANSAS CITY, KS 661600001 (Tel: 9135887590)

📍

Updated Business Mailing Address July 24, 2015

Registered at 933 ALPINE AVE, BOULDER, CO 803043305 (Tel: 3034492730)

👤

Provider Name / Credentials Updated July 24, 2015

Recorded as WILLIAM KRAMER, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 24, 2015

Orthopaedic Surgery (License #94-06920 in KS)

🟢

Initial NPI Registration & Enumeration July 08, 2008

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1093978223

Entity Type:

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

Enumeration Date: July 08, 2008

Last Update: February 26, 2026

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

4740 Pearl Pkwy Ste 200

Boulder, CO 803013080

Phone: 3034492730

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

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