WILLIAM C. KRAMER M.D.
NPI 1093978223
Orthopaedic Surgery in Boulder, CO

Active since July 08, 2008PECOS EnrolledAccepts Medicare Assignment
4740 PEARL PKWY STE 200, BOULDER, CO 80301(303) 449-2730(303) 449-5821 Get Directions Write a Review

NPPES record last updated: February 26, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 21, 2022, Aug 18, 2017, Jun 28, 2017 (3 updates tracked since 2017).

About William C. Kramer M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM C. KRAMER M.D. (NPI 1093978223) is an individual orthopaedic surgery provider in Boulder, Colorado, licensed in Colorado (DR0053611) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS and is a graduate of Other (2008).

NPPES Registry Identity

NPI1093978223
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameWILLIAM C. KRAMERCredential: M.D.
Location Address4740 PEARL PKWY STE 200Boulder, CO 80301-3080
Mailing Address4740 Pearl Pkwy Ste 200Boulder, CO 80301-3080 · (303) 449-2730 · Fax (303) 449-5821
Fax(303) 449-5821
Sole ProprietorYes
Medical School CMSOtherGraduated 2008
Enumeration DateJuly 8, 2008
Last NPPES UpdateFebruary 26, 20263 updates tracked since enumeration
NPPES CertifiedFebruary 26, 2026
NPI 1093978223 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
Licenses Licensed in CO · DR0053611 Licensed in KS · 94-06920
Definition
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.
4740 PEARL PKWY STE 200, Boulder, CO 80301

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

William C. Kramer M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9537393764
PECOS Enrollment IDI20141219000256
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
244 services189 patients
X-ray of foot, minimum of 3 views 73630
An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.
164 services118 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
153 services133 patients
Aspiration and/or injection of fluid from large joint 20610
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
61 services48 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
61 services61 patients
X-ray of ankle, minimum of 3 views 73610
An ankle X-ray is a quick, painless imaging test. It involves capturing at least three different images or 'views' of your ankle using small amounts of radiation. These images help identify any abnormalities or injuries, such as fractures or arthritis.
47 services37 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80301 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$89.43 typical visit price
range $58.06 – $174.82
Typical copayment $22.35 (range $14.51 – $43.70)
Most-billed visit code 99203
Established Patient
$72.20 typical visit price
range $18.88 – $142.79
Typical copayment $18.05 (range $4.72 – $35.69)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Closing the Referral Loop: Receipt of Specialist Report
Percentage of patients with referrals, regardless of age, for which the referring provider receives a report from the provider to whom the patient was referred
28%501 patients2/55-star benchmark: 95%
Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
96%2,538 patients4/55-star benchmark: 100%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
83%357 patients2/55-star benchmark: 99%
Health Information Exchange
The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…
69%296 patients4/55-star benchmark: 88%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
95%589 patients4/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
68%2,731 patients3/55-star benchmark: 97%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
84%1,042 patients4/55-star benchmark: 97%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients screenedForUse: 96% · 477 patients
90%477 patients4/55-star benchmark: 98%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
98%2,731 patients4/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
19%2,731 patients1/55-star benchmark: 89%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
69%2,731 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Ankle control orthosis, stirrup style, rigid, includes any type interface (e.g., pneumatic, gel), prefabricated, off-the-shelf L4350
DME-Orthotic Devices · category DF000N
1 supplier13 claims13 services$59.24 avg. paid by Medicare
Walking boot, pneumatic and/or vacuum, with or without joints, with or without interface material, prefabricated, off-the-shelf L4361
DME-Orthotic Devices · category DF003N
1 supplier35 claims35 services$229.58 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant
4740 PEARL PKWY STE 200
BOULDER, CO 80301
Physical Therapist
4740 PEARL PKWY STE 200
BOULDER, CO 80301
Orthopaedic Surgery
4740 PEARL PKWY STE 200
BOULDER, CO 80301
Orthopaedic Surgery
4740 PEARL PKWY STE 200
BOULDER, CO 80301
Orthopaedic Surgery (Sports Medicine)
4740 PEARL PKWY STE 200
BOULDER, CO 80301
Orthopaedic Surgery
4740 PEARL PKWY STE 200
BOULDER, CO 80301
Physician Assistant
4740 PEARL PKWY STE 200
BOULDER, CO 80301
Physical Therapist
4740 PEARL PKWY STE 200
BOULDER, CO 80301

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Kramer's NPI number?

The NPI number for William Kramer is 1093978223. It was assigned to this individual provider in the NPPES registry on July 8, 2008.

Where is William Kramer located?

William Kramer practices at 4740 Pearl Pkwy Ste 200, Boulder, CO 80301. The listed phone number is (303) 449-2730.

What is William Kramer's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is William Kramer enrolled in Medicare?

Yes. William Kramer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does William Kramer accept?

Health plans from Medica list William Kramer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for William Kramer was last updated on February 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.