Mark S. Faszholz, MD
Anesthesiology Physician · Greeley, CO
Mark S. Faszholz, MD is an anesthesiology physician with a practice address in Greeley, Colorado, and NPI 1982683744, issued on Jan 11, 2006. Check the license on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark S. Faszholz
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 36370 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1801 16TH St, Greeley, CO 80631
- Phone
- (970) 350-4819
- Enumerated
- Jan 11, 2006
- Record last updated
- Apr 25, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicaid ID
- 202748166 MO
- Medicare enrollment
- Enrolled (PECOS I20100511000779); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Columbia School Of Medicine, 1982
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,202 in Colorado → Look up another NPI →
Also registered at 1801 16TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Costa AlimonosInternal Medicine Physician1235670712
- Rodger Anders, PA-CPhysician Assistant1710956917
- Renee Anderson, CRNACertified Registered Nurse Anesthetist1457339848
- Adrien Arling, PA-CSurgical Physician Assistant1255907382
- Sydney Aronson, MSPAS, PA-CSurgical Physician Assistant1376000653
- Ronald Baars, PHARMDPharmacist1649252867
Verify Mark S. Faszholz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Rocky Mountain State Anesthesia ProvidersGreeley, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark S. Faszholz among 1,202 anesthesiology physician records in Colorado
Mark S. Faszholz, MD is one of 1,202 anesthesiology physician records with a practice address in Colorado. 75% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1982 · median 2006 among the 824 with a school on file
- Record last updated2011 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in Colorado
There are 1,202 anesthesiology physician records in Colorado.
All 1,202 in Colorado → Every provider in Greeley → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Vicki Callahan, MDGreeley, CO 806311073669669
- Gregory Campbell, M.D.Greeley, CO 806311598116337
- Owen Dry, MDGreeley, CO 806311437102555
- Callana Fox, MDGreeley, CO 806311154857704
- Robert Hagebak, MDGreeley, CO 806311861421430
- Brian Hamberg, DOGreeley, CO 806311750888343
- David Hufnagel, M.D.Greeley, CO 806311982743357
- Jonathan Lord, DOGreeley, CO 806311164471009
Common questions
What is Mark S. Faszholz, MD's NPI number?
Mark S. Faszholz, MD's National Provider Identifier (NPI) is 1982683744, issued on Jan 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark S. Faszholz, MD located?
The NPPES record lists a practice address at 1801 16TH St, Greeley, CO, 80631. Phone: (970) 350-4819. Providers update this record themselves, so call before visiting.
How can I verify Mark S. Faszholz, MD's license?
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.
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.