Mark Jeranko, D.O.
Rheumatology Physician · Loveland, CO
Mark Jeranko, D.O. is a rheumatology physician with a practice address in Loveland, Colorado, and NPI 1114304573, issued on May 5, 2015. Check the license (Colorado DR.0064290, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark Jeranko
- Credential
- D.O.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License numbers
- DR.0064290 CO
5101021529 MI
Self-reported in NPPES; status is on the state search - Practice location
- 2500 Rocky Mountain Ave Ste 2200, Loveland, CO 80538
- Phone
- (970) 652-2333
- Enumerated
- May 5, 2015
- Record last updated
- Apr 10, 2026
- Fax
- (970) 593-9731
- Medicare enrollment
- Enrolled (PECOS I20200714000492); accepts Medicare assignment
- Medical or professional school
- Kansas City University Of Physicians And Surgeons, 2015
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 145 in Colorado → Look up another NPI →
Also registered at 2500 Rocky Mountain Ave Ste 2200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brooke Anders, PASurgical Physician Assistant1790405124
- Tiffany Anderson, MS PA-CPhysician Assistant1518201474
- Kelly Calero, PASurgical Physician Assistant1790710143
- Juan Carlos Casal-Valero, PASurgical Physician Assistant1235892241
- Erinn Croco, DOObstetrics & Gynecology Physician1407349459
- Ashley Donovan, MDSurgery Physician1992265037
Verify Mark Jeranko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0064290Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average rheumatology physician in 2024
796 Medicare Part D claims for 183 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 45 claims were for opioids.
Most prescribed
- Methotrexate135 claims
- Prednisone118 claims
- Hydroxychloroquine Sulfate74 claims
- Leflunomide44 claims
- Folic Acid42 claims
- Allopurinol30 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: $1,449.52
60 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. 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 2 group practices
- Colorado Arthritis CenterEnglewood, CO
- Poudre Valley Medical Group LLCLoveland, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Jeranko among 145 rheumatology physician records in Colorado
Mark Jeranko, D.O. 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 2015, is newer than 81% of them.
- NPI issued2015 · 81% of these records are older, 14% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2015 · median 2004 among the 102 with a school on file
- Record last updated2026 · 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 Loveland → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Stephen Holt, M.D.Fort Collins, CO 805281184652547
- Daniel Muller, MD PHDFort Collins, CO 805281073589016
- Michael Thakor, MDFort Collins, CO 805281629045364
- Fred Meyer, M.D.Fort Collins, CO 805211023109923
- 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 Mark Jeranko, D.O.'s NPI number?
Mark Jeranko, D.O.'s National Provider Identifier (NPI) is 1114304573, issued on May 5, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Mark Jeranko, D.O. located?
The NPPES record lists a practice address at 2500 Rocky Mountain Ave Ste 2200, Loveland, CO, 80538. Phone: (970) 652-2333. Providers update this record themselves, so call before visiting.
How can I verify Mark Jeranko, D.O.'s license?
NPPES lists Colorado license number DR.0064290, 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 Jeranko, D.O. prescribe under Medicare Part D?
In 2024, Mark Jeranko, D.O. had 796 Medicare Part D claims for 183 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.