Dr. Thomas C. Degenhardt, MD
- Medicare services, 2024
- 20,283
- Medicare patients, 2024
- 272
- Part D claims, 2024
- 54
- MIPS score, 2024
- 68
- Industry payments
- $154
- Practice address
- 1405 Montgomery Dr, Santa Rosa, CA 95405
- Practice phone
- Call (707) 546-1922
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Santa Rosa Orthopaedic Medical Group, Inc.
Santa Rosa, California
Find Dr. Degenhardt's professional email, personal email and mobile number
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Dr. Thomas C. Degenhardt is an orthopedic surgeon in Santa Rosa, California
Dr. Degenhardt practices at Santa Rosa Orthopaedic Medical Group, Inc. in Santa Rosa, California.
Dr. Degenhardt's NPI, 1073556635, was assigned on June 13, 2006. Dr. Degenhardt graduated from UCSF School of Medicine in 1971. Dr. Degenhardt holds California license G25938.
- NPI
- 1073556635NPI Registry (opens in a new tab)
- NPI enumeration date
- June 13, 2006
- NPI status
- Active
- Practice phone
- (707) 546-1922
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 81
- Medical school graduation
- 1971
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Thomas C. Degenhardt practices at Santa Rosa Orthopaedic Medical Group, Inc. in Santa Rosa, California
Dr. Degenhardt's primary practice is Santa Rosa Orthopaedic Medical Group, Inc., at 1405 Montgomery Dr, Santa Rosa, CA 95405 in Sonoma County. The practice phone is (707) 546-1922.
- Santa Rosa Orthopaedic Medical Group, Inc.1405 Montgomery Dr, Santa Rosa, CA 95405 · Sonoma CountyPhone(707) 546-1922
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Thomas C. Degenhardt is affiliated with 2 sites of care and 1 medical group
Dr. Degenhardt's primary practice is Santa Rosa Orthopaedic Medical Group, Inc. in Santa Rosa, California. The medical group on file is Santa Rosa Orthopaedics. Dmand AI also links Dr. Degenhardt to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Thomas C. Degenhardt's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Degenhardt practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Santa Rosa Orthopaedic Medical Group, Inc. | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas C. Degenhardt is one of 2,056 orthopedic surgeons in California
Orthopaedic surgery is Dr. Degenhardt's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Degenhardt is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dmand AI has Dr. Degenhardt's licenses on file in 2 states: California and Georgia.
Specialties and state licenses
- Orthopaedic surgery, CaliforniaPrimary
- Georgia license
Clinical focus
Dmand AI lists arthritis, bursitis, hand joint or tendon inflammation, joint pain, knee injury, knee replacement, lower back pain and muscle pain, fibromyalgia, and limb pain among the conditions Dr. Degenhardt treats.
Orthopedic surgeons near Dr. Degenhardt
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. Thomas C. Degenhardt billed Medicare for 20,283 services in 2024
CMS data shows 20,283 Medicare services from Dr. Degenhardt across 13 procedure codes in 2024, for 272 Medicare patients. Medicare paid $102,665 for them.
Dr. Degenhardt's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 6782024: 19,0422709%
- Office and hospital visits
- 2023: 5522024: 5958%
- Surgery
- 2023: 3662024: 42015%
- Imaging
- 2023: 2052024: 22610%
- Tests and treatments
- 2023: 3892024: 0100%
- Other services
- 2023: 572024: 0100%
Where Dr. Degenhardt's Medicare services took place, 2024
- In an office20,268100%
- In a facility150%
Dr. Degenhardt compared with the California median for orthopedic surgeons, 2024
- Dr. Degenhardt
- California median
- Medicare services
- 20,283vs 68329.7 times
- Medicare patients
- 272vs 21527% above
- Part D claims
- 19vs 7073% below
Medians across 1,844 orthopedic surgeons in California with Dmand AI profiles that report each measure.
Dr. Degenhardt'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. Degenhardt and other orthopedic surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas C. Degenhardt treated 272 Medicare patients in 2024, average age 75
CMS counts 272 Medicare patients who saw Dr. Degenhardt in 2024. The largest group is 65 to 74, with 118 patients. 75% of them have arthritis, and 74% have high cholesterol. 18% are also on Medicaid. Their average risk score is 0.98, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Degenhardt's median patient age at 69, with 51% women.
Dr. Degenhardt's Medicare patients by age, 2024
Dr. Degenhardt's Medicare patients by sex, 2024
- Women14955%
- Men12345%
Chronic conditions among Dr. Degenhardt's Medicare patients, 2024
- Arthritis75%
- High cholesterol74%
- High blood pressure65%
- Ischemic heart disease24%
- Atrial fibrillation22%
- Diabetes19%
- Anxiety18%
- Mood disorders18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Degenhardt's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas C. Degenhardt wrote 54 Medicare Part D claims in 2024
In 2024, Dr. Degenhardt wrote 54 Medicare Part D claims for 23 patients. 100% of them were for generic drugs. CMS names the drug for 19 of them, across 1 drug with 11 or more claims each, at $146 in total drug cost. In 2022, CMS named 13 claims across 1 drug.
Dr. Degenhardt'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. Degenhardt's Part D claims, 2024
- Opioids48%26 of 54 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, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 132024: 1946%
Drugs named by CMS: 1 in 2024, 1 in 2022.
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. Thomas C. Degenhardt scored 68 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 68 out of 100 for Dr. Degenhardt for performance year 2024, reported as part of a group.
Dr. Degenhardt's MIPS scores, performance year 2024
- 68of 100Final score
- 62.7of 100Quality
- 100of 100Promoting Interoperability
- 0of 100Improvement Activities
- 78of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Thomas C. Degenhardt received $154 in industry payments from 2016 to 2022
CMS Open Payments shows 4 general payments to Dr. Degenhardt from 4 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Philips Electronics North America Corporation paid the most, $66.
General payments to Dr. Degenhardt by program year, 2016 to 2022
Companies that paid Dr. Degenhardt the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas C. Degenhardt graduated from UCSF School of Medicine
Dr. Degenhardt graduated from UCSF School of Medicine in 1971.
- Medical school
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Dr. Thomas C. Degenhardt accepts plans from 13 insurance carriers
Dr. Degenhardt is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +5 more carriersWith a free account
Plan types Dr. Degenhardt accepts, by number of carriers
- PPO9
- Medicare7
- HMO6
- EPO4
- POS3
Source: Dmand AI Insurance Network Data
Sources for Dr. Thomas C. Degenhardt'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 | Clinician Public Reporting: Overall MIPS Performance (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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Thomas C. Degenhardt
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. Thomas C. Degenhardt's NPI number?
Dr. Thomas C. Degenhardt's NPI number is 1073556635. It was assigned on June 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas C. Degenhardt?
Dr. Thomas C. Degenhardt is an orthopedic surgeon in Santa Rosa, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Thomas C. Degenhardt practice?
Dr. Degenhardt practices at 1405 Montgomery Dr, Santa Rosa, CA 95405. Dr. Degenhardt's primary practice is Santa Rosa Orthopaedic Medical Group, Inc. in Santa Rosa, California. Dmand AI also links Dr. Degenhardt to 1 group practice or clinic.
What is Dr. Thomas C. Degenhardt's office phone number?
The practice phone on file for Dr. Degenhardt is (707) 546-1922.
What is Dr. Thomas C. Degenhardt's medical license number?
Dr. Degenhardt holds California license G25938, one of the licenses on file in 2 states.
Which states has Dr. Thomas C. Degenhardt been licensed in?
Dmand AI has state licenses on file for Dr. Degenhardt in California (1973 to 2027) and Georgia (1978 to 1979).
What medical group is Dr. Thomas C. Degenhardt part of?
Dr. Degenhardt is linked to Santa Rosa Orthopaedics.
Does Dr. Thomas C. Degenhardt accept Medicare?
Yes. CMS data shows Dr. Degenhardt billed Medicare for 20,283 services in 2024.
What is Dr. Thomas C. Degenhardt's MIPS score?
Dr. Degenhardt's MIPS final score for performance year 2024 is 68 out of 100, reported as part of a group.
How many Medicare patients does Dr. Thomas C. Degenhardt see?
CMS counts 272 Medicare patients who saw Dr. Degenhardt in 2024, with an average age of 75.
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Is Dr. Thomas C. Degenhardt board certified?
Yes. Dr. Degenhardt is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.
What services does Dr. Thomas C. Degenhardt bill to Medicare?
In 2024, Dr. Degenhardt's most billed Medicare services were injected or infused drug (J1010), office visit, established patient (99213) and surgery: bones and joints (20610).
Where did Dr. Thomas C. Degenhardt go to medical school?
Dr. Degenhardt graduated from UCSF School of Medicine in 1971.
What drugs does Dr. Thomas C. Degenhardt prescribe most?
In 2024 Medicare Part D data, Dr. Degenhardt's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. Thomas C. Degenhardt received payments from drug or device companies?
CMS Open Payments shows $154 in general payments to Dr. Degenhardt from 4 companies from 2016 to 2022. The largest total came from Philips Electronics North America Corporation.
How long has Dr. Thomas C. Degenhardt been practicing?
Dr. Degenhardt graduated from medical school in 1971, 55 years ago.
What insurance does Dr. Thomas C. Degenhardt accept?
Dr. Degenhardt is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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