Daniel Muller, MD PHD
Rheumatology Physician · Fort Collins, CO
Daniel Muller, MD PHD is a rheumatology physician with a practice address in Fort Collins, Colorado, and NPI 1073589016, issued on Feb 28, 2006. Check the license (Colorado DR.0057117, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Daniel Muller
- Credential
- MD PHD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License numbers
- DR.0057117 CO
32216 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2121 E Harmony RD, Fort Collins, CO 80528
- Phone
- (970) 350-2433
- Enumerated
- Feb 28, 2006
- Record last updated
- Aug 16, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (970) 593-9731
- Medicare enrollment
- Enrolled (PECOS I20160816000105); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Stony Brook, School Of Medicine, 1985
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 145 in Colorado → Look up another NPI →
Also registered at 2121 E Harmony RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Wendy AustinCardiovascular Disease Physician1457517625
- Lindsay BennettFamily Nurse Practitioner1699146183
- Emily Berganini, PA-CMedical Physician Assistant1780093641
Verify Daniel Muller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0057117Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% fewer Medicare Part D claims than the average rheumatology physician in 2024
1,819 Medicare Part D claims for 357 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone530 claims
- Hydroxychloroquine Sulfate279 claims
- Methotrexate242 claims
- Humira(Cf) Pen90 claims
- Allopurinol64 claims
- Leflunomide50 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 MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $87.94
1 payment: food and beverage; the largest payer was Genzyme Corporation. The 4,486 providers of this specialty with any payment received $8,538.33 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 one group practice
- Poudre Valley Medical Group LLCFort Collins, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Daniel Muller among 145 rheumatology physician records in Colorado
Daniel Muller, MD PHD is one of 145 rheumatology physician records with a practice address in Colorado. 81% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1985 · median 2004 among the 102 with a school on file
- Record last updated2016 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Colorado
There are 145 rheumatology physician records in Colorado.
All 145 in Colorado → Every provider in Fort Collins → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Stephen Holt, M.D.Fort Collins, CO 805281184652547
- Michael Thakor, MDFort Collins, CO 805281629045364
- Fred Meyer, M.D.Fort Collins, CO 805211023109923
- Mark Jeranko, D.O.Loveland, CO 805381114304573
- Daniel Erhardt, M.D.Longmont, CO 805011467870212
- Jill Gibson, MDLongmont, CO 805011629120761
- Janelle Laughlin, MDLongmont, CO 805011689635609
- Lori Maran, M.D.Longmont, CO 805011740373687
Common questions
What is Daniel Muller, MD PHD's NPI number?
Daniel Muller, MD PHD's National Provider Identifier (NPI) is 1073589016, issued on Feb 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Daniel Muller, MD PHD located?
The NPPES record lists a practice address at 2121 E Harmony RD, Fort Collins, CO, 80528. Phone: (970) 350-2433. Providers update this record themselves, so call before visiting.
How can I verify Daniel Muller, MD PHD's license?
NPPES lists Colorado license number DR.0057117, 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 Daniel Muller, MD PHD prescribe under Medicare Part D?
In 2024, Daniel Muller, MD PHD had 1,819 Medicare Part D claims for 357 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is Daniel Muller, MD PHD's MIPS final score?
The 2023 MIPS final score is 97.6 of 100. 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.