Dr. William C. Kramer, MD
- Medicare services, 2024
- 2,719
- Medicare patients, 2024
- 363
- Part D claims, 2024
- 94
- Hospital affiliations
- 2
- Industry payments
- $5,354
- Practice address
- 4740 Pearl Pkwy, Ste 100, Boulder, CO 80301
- Practice phone
- Call (303) 938-5470
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Boulder Surgery Center
Surgery Center - Medicare-Certified · Boulder, Colorado
Find Dr. Kramer's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. William C. Kramer is an orthopedic surgeon in Boulder, Colorado
Dr. Kramer practices at Boulder Surgery Center in Boulder, Colorado.
Dr. Kramer's NPI, 1093978223, was assigned on July 8, 2008. Dr. Kramer holds Colorado license DR0053611.
- NPI
- 1093978223NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9537393764
- NPI enumeration date
- July 8, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (303) 938-5470
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William C. Kramer practices at Boulder Surgery Center in Boulder, Colorado
Dr. Kramer's primary practice is Boulder Surgery Center, at 4740 Pearl Pkwy, Ste 100, Boulder, CO 80301. The practice phone is (303) 938-5470.
- Boulder Surgery Center4740 Pearl Pkwy, Ste 100, Boulder, CO 80301Phone(303) 938-5470
Source: Dmand AI Affiliation Data
Dr. William C. Kramer is affiliated with 5 sites of care and 3 medical groups
Dr. Kramer's primary practice is Boulder Surgery Center in Boulder, Colorado. Dr. Kramer is also affiliated with Foothills Hospital. The medical group on file is Select Physical Therapy. Dmand AI also links Dr. Kramer to 1 more hospital, 2 group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William C. Kramer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kramer practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Boulder Surgery Center | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William C. Kramer is one of 387 orthopedic surgeons in Colorado
Orthopaedic surgery is Dr. Kramer's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Kramer is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dmand AI has Dr. Kramer's licenses on file in 2 states: Colorado and Kansas.
Specialties and state licenses
- Orthopaedic surgery, ColoradoPrimary
- Kansas license
Orthopedic surgeons near Dr. Kramer
Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. William C. Kramer billed Medicare for 2,719 services in 2024
CMS data shows 2,719 Medicare services from Dr. Kramer across 11 procedure codes in 2024, for 363 Medicare patients. Medicare paid $47,877 for them. Every service was in an office.
Dr. Kramer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 37,6082024: 1,88495%
- Office and hospital visits
- 2023: 6332024: 47824%
- Imaging
- 2023: 3762024: 27527%
- Surgery
- 2023: 3452024: 8276%
- Tests and treatments
- 2023: 3772024: 0100%
Dr. Kramer compared with the Colorado median for orthopedic surgeons, 2024
- Dr. Kramer
- Colorado median
- Medicare services
- 2,719vs 7003.9 times
- Medicare patients
- 363vs 19685% above
- Part D claims
- 46vs 6428% below
Medians across 373 orthopedic surgeons in Colorado with Dmand AI profiles that report each measure.
Dr. Kramer's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kramer and other orthopedic surgeons in Colorado.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William C. Kramer treated 363 Medicare patients in 2024, average age 73
CMS counts 363 Medicare patients who saw Dr. Kramer in 2024. The largest group is 65 to 74, with 215 patients. 68% of them have arthritis, and 62% have high cholesterol. 6% are also on Medicaid. Their average risk score is 0.85, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kramer's median patient age at 59, with 55% women.
Dr. Kramer's Medicare patients by age, 2024
Dr. Kramer's Medicare patients by sex, 2024
- Women21760%
- Men14640%
Chronic conditions among Dr. Kramer's Medicare patients, 2024
- Arthritis68%
- High cholesterol62%
- High blood pressure49%
- Ischemic heart disease23%
- Anxiety22%
- Mood disorders22%
- Depression20%
- Osteoporosis19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kramer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William C. Kramer wrote 94 Medicare Part D claims in 2024
In 2024, Dr. Kramer wrote 94 Medicare Part D claims for 37 patients. 95% of them were for generic drugs. CMS names the drug for 46 of them, across 3 drugs with 11 or more claims each, at $177 in total drug cost. In 2023, CMS named 11 claims across 1 drug.
Dr. Kramer's Part D claims by kind of drug, 2024
- Generic89 claims95%
- Brand-name and other5 claims5%
Dr. Kramer's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Kramer's Part D claims, 2024
- Opioids28%26 of 94 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 112024: 46318%
Drugs named by CMS: 3 in 2024, 1 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. William C. Kramer ranks in the 89th percentile for lower limb (leg) arthroscopy (minimally invasive joint repair) in Medicare
Dr. Kramer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 16 procedures of lower limb (leg) arthroscopy (minimally invasive joint repair) by Dr. Kramer, more than 89% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Kramer ranks in Medicare procedure volume
- Lower limb (leg) arthroscopy (minimally invasive joint repair)
- 89th percentile16 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Knee replacement: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. William C. Kramer received $5,354 in industry payments from 2016 to 2025
CMS Open Payments shows 65 general payments to Dr. Kramer from 20 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 42% of the total. Gemini Mountain Medical, LLC paid the most, $1,491.
General payments to Dr. Kramer by program year, 2016 to 2025
General payments to Dr. Kramer by kind, 2016 to 2025
- Food and beverage$2,23242%
- Education$1,67331%
- Speaker and faculty fees$73114%
- Gifts$71813%
Companies that paid Dr. Kramer the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William C. Kramer is board certified in orthopaedic surgery
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Sources for Dr. William C. Kramer's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. William C. Kramer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. William C. Kramer's NPI number?
Dr. William C. Kramer's NPI number is 1093978223. It was assigned on July 8, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. William C. Kramer?
Dr. William C. Kramer is an orthopedic surgeon in Boulder, Colorado. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. William C. Kramer practice?
Dr. Kramer practices at 4740 Pearl Pkwy, Ste 100, Boulder, CO 80301. Dr. Kramer's primary practice is Boulder Surgery Center in Boulder, Colorado. Dmand AI also links Dr. Kramer to 1 hospital, 2 group practices and clinics and 2 medical groups.
What is Dr. William C. Kramer's office phone number?
The practice phone on file for Dr. Kramer is (303) 938-5470.
What is Dr. William C. Kramer's medical license number?
Dr. Kramer holds Colorado license DR0053611, one of the licenses on file in 2 states.
Which states has Dr. William C. Kramer been licensed in?
Dmand AI has state licenses on file for Dr. Kramer in Colorado and Kansas.
Which hospitals is Dr. William C. Kramer affiliated with?
Dr. Kramer is affiliated with Foothills Hospital. Dmand AI links Dr. Kramer to 1 more hospital.
What medical group is Dr. William C. Kramer part of?
Dr. Kramer is linked to Select Physical Therapy. Dmand AI links Dr. Kramer to 2 more medical groups.
Does Dr. William C. Kramer accept Medicare?
Yes. CMS data shows Dr. Kramer billed Medicare for 2,719 services in 2024, and Dr. Kramer accepts Medicare assignment.
How many Medicare patients does Dr. William C. Kramer see?
CMS counts 363 Medicare patients who saw Dr. Kramer in 2024, with an average age of 73.
Show 5 more questionsShow fewer questions
Is Dr. William C. Kramer board certified?
Yes. Dr. Kramer is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.
What services does Dr. William C. Kramer bill to Medicare?
In 2024, Dr. Kramer's most billed Medicare services were injected or infused drug (J1010), office visit, established patient (99213) and diagnostic imaging (73630).
What drugs does Dr. William C. Kramer prescribe most?
In 2024 Medicare Part D data, Dr. Kramer's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Ondansetron HCl and Gabapentin.
Has Dr. William C. Kramer received payments from drug or device companies?
CMS Open Payments shows $5,354 in general payments to Dr. Kramer from 20 companies from 2016 to 2025. The largest total came from Gemini Mountain Medical, LLC.
How long has Dr. William C. Kramer been practicing?
Dr. Kramer graduated from medical school in 2008, 18 years ago.
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