Stace Ann Fritzler, MD
Family Medicine Physician · Fort Collins, CO
Stace Ann Fritzler, MD is a family medicine physician with a practice address in Fort Collins, Colorado, and NPI 1912099599, issued on Sep 29, 2006. Check the license (Colorado 36551, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Stace Ann Fritzler
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 36551 CO
Self-reported in NPPES; status is on the state search - Practice location
- 4601 S Mason St, Fort Collins, CO 80525
- Phone
- (970) 266-3600
- Enumerated
- Sep 29, 2006
- Record last updated
- Aug 5, 2025
- Fax
- (970) 266-3629
- Medicaid ID
- 01365519 CO
- Medicare enrollment
- Enrolled (PECOS I20051108000418); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 1996
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,563 in Colorado → Look up another NPI →
Also registered at 4601 S Mason St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lindsey Moyer, FNP-BCFamily Nurse Practitioner1184311466
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- Ross Sheline, M.D.Family Medicine Physician1053761957
Verify Stace Ann Fritzler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 36551Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% more Medicare Part D claims than the average family medicine physician in 2024
3,986 Medicare Part D claims for 372 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 125 claims were for opioids.
Most prescribed
- Levothyroxine Sodium298 claims
- Atorvastatin Calcium260 claims
- Lisinopril193 claims
- Omeprazole148 claims
- Losartan Potassium139 claims
- Trazodone Hcl139 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.
Industry payments in 2024: $34.62
2 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 55,478 providers of this specialty with any payment received $902.55 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.
Bills Medicare through 2 group practices
- Poudre Valley Medical Group LLCFort Collins, CO
- Select Physical Therapy OF West Denver Limited PartnershipLoveland, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stace Ann Fritzler among 3,563 family medicine physician records in Colorado
Stace Ann Fritzler, MD is one of 3,563 family medicine physician records with a practice address in Colorado. 76% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 56% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1996 · median 2008 among the 2,077 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
158 family medicine physician records list a practice address in Fort Collins
They are 158 of the 6,928 NPPES records with a practice address in Fort Collins, and 3,563 family medicine physician records in Colorado.
All 3,563 in Colorado → Every provider in Fort Collins → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Lara Abrahamson, MDFort Collins, CO 805251538145289
- Kurt Dallow, MDFort Collins, CO 805251376528851
- April Gray, M.D.Fort Collins, CO 805251023052628
- Sandra Henderson, M.D.Fort Collins, CO 805251053360834
- Susan Klingner, M.D.Fort Collins, CO 805251912956194
- Keith McLaughlin, M.D.Fort Collins, CO 805251932187036
- Edward Miron, M.D.Fort Collins, CO 805251245200849
- Juan Rodriguez, D.O.Fort Collins, CO 805251811987829
Common questions
What is Stace Ann Fritzler, MD's NPI number?
Stace Ann Fritzler, MD's National Provider Identifier (NPI) is 1912099599, issued on Sep 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stace Ann Fritzler, MD located?
The NPPES record lists a practice address at 4601 S Mason St, Fort Collins, CO, 80525. Phone: (970) 266-3600. Providers update this record themselves, so call before visiting.
How can I verify Stace Ann Fritzler, MD's license?
NPPES lists Colorado license number 36551, 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 Stace Ann Fritzler, MD prescribe under Medicare Part D?
In 2024, Stace Ann Fritzler, MD had 3,986 Medicare Part D claims for 372 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.