Mark S. Fitzgerald, MD
Orthopaedic Surgery Physician · Lone Tree, CO
Mark S. Fitzgerald, MD is an orthopaedic surgery physician with a practice address in Lone Tree, Colorado, and NPI 1124199682, issued on Nov 13, 2006. Check the license (Colorado 45113, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark S. Fitzgerald
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- 45113 CO
Self-reported in NPPES; status is on the state search - Practice location
- 9777 S Yosemite St, Lone Tree, CO 80124
- Phone
- (303) 699-7325
- Enumerated
- Nov 13, 2006
- Record last updated
- Oct 14, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (303) 699-5486
- Medicaid ID
- 57272743 CO
- Medicare enrollment
- Enrolled (PECOS I20070330000238); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 471 in Colorado → Look up another NPI →
Also registered at 9777 S Yosemite St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Silvia Connell, PACPhysician Assistant1447221049
- Amy Diruzzo, PTSpecialist1922247907
- Robert Greenhow, MDOrthopaedic Surgery Physician1518937291
- Edmon Khoury, M.D.Facial Plastic Surgery Physician1629306006
- Mary Lautenbach, NPNurse Practitioner1043538283
- Richard Lotspeich, PA-C, MMSPhysician Assistant1598828535
Verify Mark S. Fitzgerald in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 45113Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
25 Medicare Part D claims for 21 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 11 claims were for opioids.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $99,349.73
103 payments; by number, the most common kind was travel and lodging; the largest payer was Medacta USA, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Portercare Adventist Health SystemEnglewood, CO
- Select Physical Therapy Holdings IncParker, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark S. Fitzgerald among 471 orthopaedic surgery physician records in Colorado
Mark S. Fitzgerald, MD is one of 471 orthopaedic surgery physician records with a practice address in Colorado. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 53% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1999 · median 2007 among the 290 with a school on file
- Record last updated2008 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 orthopaedic surgery physician records list a practice address in Lone Tree
They are 25 of the 1,405 NPPES records with a practice address in Lone Tree, and 471 orthopaedic surgery physician records in Colorado.
All 471 in Colorado → Every provider in Lone Tree → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- John Barker, M.D.Lone Tree, CO 801241013919117
- Cale Bonds, MDLone Tree, CO 801241104817493
- Robert Greenhow, MDLone Tree, CO 801241518937291
- Richard Hathaway, M.D.Lone Tree, CO 801241548304348
- Paul Hautamaa, M.D.Lone Tree, CO 801241124162847
- Eric Jamrich, M.D.Lone Tree, CO 801241134120884
- David Kim, MDLone Tree, CO 801241225165251
- David Loucks, MDLone Tree, CO 801241699745836
Common questions
What is Mark S. Fitzgerald, MD's NPI number?
Mark S. Fitzgerald, MD's National Provider Identifier (NPI) is 1124199682, issued on Nov 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark S. Fitzgerald, MD located?
The NPPES record lists a practice address at 9777 S Yosemite St, Lone Tree, CO, 80124. Phone: (303) 699-7325. Providers update this record themselves, so call before visiting.
How can I verify Mark S. Fitzgerald, MD's license?
NPPES lists Colorado license number 45113, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark S. Fitzgerald, MD prescribe under Medicare Part D?
In 2024, Mark S. Fitzgerald, MD had 25 Medicare Part D claims for 21 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
What is Mark S. Fitzgerald, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.