Lonnie E. Loutzenhiser, M.D.
Orthopaedic Surgery of the Spine Physician · Golden, CO
Lonnie E. Loutzenhiser, M.D. is an orthopaedic surgery of the spine physician with a practice address in Golden, Colorado, and NPI 1063543007, issued on Mar 9, 2007. Check the license (Colorado 45336, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Lonnie E. Loutzenhiser
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery of the Spine Physician 207XS0117X
- License number
- 45336 CO
Self-reported in NPPES; status is on the state search - Practice location
- 660 Golden Ridge RD, Golden, CO 80401
- Phone
- (303) 233-1223
- Enumerated
- Mar 9, 2007
- Record last updated
- Feb 14, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (303) 233-8755
- Medicaid ID
- 79901549 CO
- Medicare enrollment
- Enrolled (PECOS I20250923003122); accepts Medicare assignment
- Medical or professional school
- Northeastern Ohio University College Of Medicine, 2002
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery of the spine physician records → All 70 in Colorado → Look up another NPI →
Also registered at 660 Golden Ridge RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amit Agarwala, MDOrthopaedic Surgery of the Spine Physician1154383131
- Jessica Barber, PA CPhysician Assistant1043272024
- Melinda Belcher, PA-CPhysician Assistant1881668044
- Barry Bronk, PA-CPhysician Assistant1700848785
- Jason Browder, PA-CPhysician Assistant1134544240
- Mary Bryan, PAMedical Physician Assistant1285715771
Verify Lonnie E. Loutzenhiser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 45336Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average orthopaedic surgery of the spine physician in 2024
65 Medicare Part D claims for 45 beneficiaries, against an average of 381 among the 1,714 providers of this specialty who prescribed in Part D.
Most prescribed
- Methocarbamol29 claims
- Gabapentin19 claims
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 82.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $51,723.70
28 payments; by number, the most common kind was royalty or license; the largest payer was Orthofix Medical, Inc. The 1,726 providers of this specialty with any payment received $34,071.55 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.
2 hospitals and group practices
- Box Butte General HospitalAlliance, NE · Critical Access Hospitals4 of 5 stars
- Panorama Orthopedics And Spine Center PCGolden, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Lonnie E. Loutzenhiser among 70 orthopaedic surgery of the spine physician records in Colorado
Lonnie E. Loutzenhiser, M.D. is one of 70 orthopaedic surgery of the spine physician records with a practice address in Colorado. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 50% of them.
- NPI issued2007 · 50% of these records are older, 44% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2002 · median 2004 among the 51 with a school on file
- Record last updated2017 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XS0117X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery of the Spine Physician providers in Colorado
There are 70 orthopaedic surgery of the spine physician records in Colorado.
All 70 in Colorado → Every provider in Golden → Orthopaedic Surgery of the Spine Physician nationwide →
The 8 orthopaedic surgery of the spine physician records with the nearest ZIP codes
- Amit Agarwala, MDGolden, CO 804011154383131
- Thomas Puschak, MDGolden, CO 804011215999206
- William Stoll, MDGolden, CO 804011689161242
- Douglas Wong, MDGolden, CO 804011104889591
- Henry Fabian, MDSteamboat Springs, CO 804871457384612
- John Sielatycki, M.D.Steamboat Springs, CO 804871629335658
- Cathleen Vanbuskirk, MDBoulder, CO 803031679546485
- Matthew Gerlach, M.D.Longmont, CO 805031861440729
Common questions
What is Lonnie E. Loutzenhiser, M.D.'s NPI number?
Lonnie E. Loutzenhiser, M.D.'s National Provider Identifier (NPI) is 1063543007, issued on Mar 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Lonnie E. Loutzenhiser, M.D. located?
The NPPES record lists a practice address at 660 Golden Ridge RD, Golden, CO, 80401. Phone: (303) 233-1223. Providers update this record themselves, so call before visiting.
How can I verify Lonnie E. Loutzenhiser, M.D.'s license?
NPPES lists Colorado license number 45336, 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 Lonnie E. Loutzenhiser, M.D. prescribe under Medicare Part D?
In 2024, Lonnie E. Loutzenhiser, M.D. had 65 Medicare Part D claims for 45 beneficiaries; the average among orthopaedic surgery of the spine physician prescribers was 381. Part D covers Medicare prescriptions only.
What is Lonnie E. Loutzenhiser, M.D.'s MIPS final score?
The 2023 MIPS final score is 82.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.