Dr. Mark S. Fitzgerald, MD
- Medicare services, 2024
- 3,273
- Medicare patients, 2024
- 254
- Part D claims, 2024
- 25
- MIPS score, 2024
- 86
- Hospital affiliations
- 2
- Practice address
- 4700 Castleton Wy Ste 101, Castle Rock, CO 80109
- Practice phone
- Call (720) 519-1418
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Castle Rock SurgiCenter
Surgery Center - Medicare-Certified · Castle Rock, Colorado
Find Dr. Fitzgerald's professional email, personal email and mobile number
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Dr. Mark S. Fitzgerald is an orthopedic surgeon in Castle Rock, Colorado
Dr. Fitzgerald practices at Castle Rock SurgiCenter in Castle Rock, Colorado.
Dr. Fitzgerald's NPI, 1124199682, was assigned on November 13, 2006. Dr. Fitzgerald graduated from Indiana University School of Medicine in 1999. Dr. Fitzgerald holds Colorado license 45113.
- NPI
- 1124199682NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8426152471
- NPI enumeration date
- November 13, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (720) 519-1418
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark S. Fitzgerald practices at Castle Rock SurgiCenter in Castle Rock, Colorado
Dr. Fitzgerald's primary practice is Castle Rock SurgiCenter, at 4700 Castleton Wy Ste 101, Castle Rock, CO 80109. The practice phone is (720) 519-1418.
- Castle Rock SurgiCenter4700 Castleton Wy Ste 101, Castle Rock, CO 80109Phone(720) 519-1418
Source: Dmand AI Affiliation Data
Dr. Mark S. Fitzgerald is affiliated with 6 sites of care and 3 medical groups
Dr. Fitzgerald's primary practice is Castle Rock SurgiCenter in Castle Rock, Colorado. Dr. Fitzgerald is also affiliated with AdventHealth Castle Rock. The medical group on file is AdventHealth Transplant Institute North Billings. Dmand AI also links Dr. Fitzgerald to 1 more hospital, 2 group practices and clinics, 2 medical groups and 1 ambulatory surgery center, 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. Mark S. Fitzgerald's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fitzgerald practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Castle Rock SurgiCenter | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark S. Fitzgerald is one of 387 orthopedic surgeons in Colorado
Orthopaedic surgery is Dr. Fitzgerald's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Fitzgerald is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dr. Fitzgerald is licensed in Colorado.
Specialties and state licenses
- Orthopaedic surgery, ColoradoPrimary
Orthopedic surgeons near Dr. Fitzgerald
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. Mark S. Fitzgerald billed Medicare for 3,273 services in 2024
CMS data shows 3,273 Medicare services from Dr. Fitzgerald across 12 procedure codes in 2024, for 254 Medicare patients. Medicare paid $133,382 for them.
Dr. Fitzgerald's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 5232024: 2,368353%
- Office and hospital visits
- 2023: 4102024: 4254%
- Surgery
- 2023: 2462024: 245No change
- Imaging
- 2023: 2582024: 2359%
Where Dr. Fitzgerald's Medicare services took place, 2024
- In an office3,13896%
- In a facility1354%
Dr. Fitzgerald compared with the Colorado median for orthopedic surgeons, 2024
- Dr. Fitzgerald
- Colorado median
- Medicare services
- 3,273vs 7004.7 times
- Medicare patients
- 254vs 19630% above
- Part D claims
- 12vs 6481% below
Medians across 373 orthopedic surgeons in Colorado with Dmand AI profiles that report each measure.
Dr. Fitzgerald'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. Fitzgerald and other orthopedic surgeons in Colorado.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark S. Fitzgerald treated 254 Medicare patients in 2024, average age 74
CMS counts 254 Medicare patients who saw Dr. Fitzgerald in 2024. The largest group is 65 to 74, with 155 patients. 75% of them have arthritis, and 75% have high cholesterol. Their average risk score is 0.99, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Fitzgerald's median patient age at 64, with 46% women.
Dr. Fitzgerald's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Fitzgerald's Medicare patients by sex, 2024
- Women13252%
- Men12248%
Chronic conditions among Dr. Fitzgerald's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure63%
- Ischemic heart disease31%
- Mood disorders25%
- Depression23%
- Diabetes21%
- Anxiety17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Fitzgerald's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women46%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark S. Fitzgerald wrote 25 Medicare Part D claims in 2024
In 2024, Dr. Fitzgerald wrote 25 Medicare Part D claims for 21 patients. 100% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $114 in total drug cost. In 2021, CMS named 71 claims across 1 drug.
Dr. Fitzgerald's most prescribed drugs by claims, 2022
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. Fitzgerald's Part D claims, 2024
- Opioids44%11 of 25 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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 712022: 1283%
Drugs named by CMS: 1 in 2022, 1 in 2021.
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. Mark S. Fitzgerald scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Fitzgerald for performance year 2024, reported as part of a group. Dr. Fitzgerald accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 127 procedures of upper limb (arm) arthroscopy (minimally invasive joint repair) by Dr. Fitzgerald, more than 97% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Fitzgerald's MIPS scores, performance year 2024
- 86of 100Final score
- 78.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Fitzgerald ranks in Medicare procedure volume
- Upper limb (arm) arthroscopy (minimally invasive joint repair)
- 97th percentile127 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Lower limb (leg) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Mark S. Fitzgerald received $242,335 in industry payments from 2016 to 2025
CMS Open Payments shows 283 general payments to Dr. Fitzgerald from 14 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 81% of the total. Medacta USA, Inc. paid the most, $229,383.
General payments to Dr. Fitzgerald by program year, 2016 to 2025
General payments to Dr. Fitzgerald by kind, 2016 to 2025
- Consulting fees$195,55081%
- Travel and lodging$31,66713%
- Food and beverage$9,6834%
- Speaker and faculty fees$5,0002%
- Education$4350%
Companies that paid Dr. Fitzgerald 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. Mark S. Fitzgerald graduated from Indiana University School of Medicine
Dr. Fitzgerald graduated from Indiana University School of Medicine in 1999.
- Medical school
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark S. Fitzgerald'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)Clinician Public Reporting: Overall MIPS Performance (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. Mark S. Fitzgerald
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. Mark S. Fitzgerald's NPI number?
Dr. Mark S. Fitzgerald's NPI number is 1124199682. It was assigned on November 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark S. Fitzgerald?
Dr. Mark S. Fitzgerald is an orthopedic surgeon in Castle Rock, Colorado. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Mark S. Fitzgerald practice?
Dr. Fitzgerald practices at 4700 Castleton Wy Ste 101, Castle Rock, CO 80109. Dr. Fitzgerald's primary practice is Castle Rock SurgiCenter in Castle Rock, Colorado. Dmand AI also links Dr. Fitzgerald to 1 hospital, 2 group practices and clinics, 2 medical groups and 1 ambulatory surgery center.
What is Dr. Mark S. Fitzgerald's office phone number?
The practice phone on file for Dr. Fitzgerald is (720) 519-1418.
What is Dr. Mark S. Fitzgerald's medical license number?
Dr. Fitzgerald holds Colorado license 45113.
Which hospitals is Dr. Mark S. Fitzgerald affiliated with?
Dr. Fitzgerald is affiliated with AdventHealth Castle Rock. Dmand AI links Dr. Fitzgerald to 1 more hospital.
What medical group is Dr. Mark S. Fitzgerald part of?
Dr. Fitzgerald is linked to AdventHealth Transplant Institute North Billings. Dmand AI links Dr. Fitzgerald to 2 more medical groups.
Does Dr. Mark S. Fitzgerald accept Medicare?
Yes. CMS data shows Dr. Fitzgerald billed Medicare for 3,273 services in 2024, and Dr. Fitzgerald accepts Medicare assignment.
What is Dr. Mark S. Fitzgerald's MIPS score?
Dr. Fitzgerald's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
How many Medicare patients does Dr. Mark S. Fitzgerald see?
CMS counts 254 Medicare patients who saw Dr. Fitzgerald in 2024, with an average age of 74.
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Is Dr. Mark S. Fitzgerald board certified?
Yes. Dr. Fitzgerald is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.
What services does Dr. Mark S. Fitzgerald bill to Medicare?
In 2024, Dr. Fitzgerald's most billed Medicare services were injected or infused drug (J1010), office visit, established patient (99214) and diagnostic imaging (73030).
Where did Dr. Mark S. Fitzgerald go to medical school?
Dr. Fitzgerald graduated from Indiana University School of Medicine in 1999.
What drugs does Dr. Mark S. Fitzgerald prescribe most?
In 2022 Medicare Part D data, Dr. Fitzgerald's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. Mark S. Fitzgerald received payments from drug or device companies?
CMS Open Payments shows $242,335 in general payments to Dr. Fitzgerald from 14 companies from 2016 to 2025. The largest total came from Medacta USA, Inc.
How long has Dr. Mark S. Fitzgerald been practicing?
Dr. Fitzgerald graduated from medical school in 1999, 27 years ago.
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