Lori Lieberman Maran, M.D.
Rheumatology Physician · Longmont, CO
Lori Lieberman Maran, M.D. is a rheumatology physician with a practice address in Longmont, Colorado, and NPI 1740373687, issued on Oct 2, 2006. Check the license (Colorado 49807, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Lori Lieberman Maran
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License numbers
- 49807 CO
MD429489 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1551 Professional LN, Longmont, CO 80501
- Phone
- (720) 494-4700
- Enumerated
- Oct 2, 2006
- Record last updated
- Nov 16, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (720) 494-4706
- Medicaid ID
- 31131085 CO
- Medicare enrollment
- Enrolled (PECOS I20111108000423); accepts Medicare assignment
- Medical or professional school
- Hahnemann University College Of Medicine, 2001
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 145 in Colorado → Look up another NPI →
Also registered at 1551 Professional LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jesus Arellano, PT, DPTPhysical Therapist1952131278
- Laurilyn Bailey, B.S.O.T.Hand Occupational Therapist1992801575
- Kristin Baird, M.D.Dermatology Physician1013900539
- Ann Brexa, O.T.R.Occupational Therapist1508876251
- Jenna Cappello, PA-CPhysician Assistant1093046625
- Jean Colton, PTPhysical Therapist1093790172
Verify Lori Lieberman Maran in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 49807Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average rheumatology physician in 2024
1,260 Medicare Part D claims for 239 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 46 claims were for opioids.
Most prescribed
- Prednisone217 claims
- Methotrexate145 claims
- Hydroxychloroquine Sulfate143 claims
- Allopurinol100 claims
- Celecoxib95 claims
- Folic Acid52 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: $22.66
1 payment: 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 one group practice
- Boulder Medical Center, PCBoulder, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lori Lieberman Maran among 145 rheumatology physician records in Colorado
Lori Lieberman Maran, M.D. 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
- Graduated2001 · median 2004 among the 102 with a school on file
- Record last updated2011 · 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 Longmont → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Daniel Erhardt, M.D.Longmont, CO 805011467870212
- Jill Gibson, MDLongmont, CO 805011629120761
- Janelle Laughlin, MDLongmont, CO 805011689635609
- Jeffrey Perkins, MDLongmont, CO 805011710929641
- Nicole Cotter, M.D.Steamboat Springs, CO 804871831390962
- Fred Meyer, M.D.Fort Collins, CO 805211023109923
- Stephen Holt, M.D.Fort Collins, CO 805281184652547
- Daniel Muller, MD PHDFort Collins, CO 805281073589016
Common questions
What is Lori Lieberman Maran, M.D.'s NPI number?
Lori Lieberman Maran, M.D.'s National Provider Identifier (NPI) is 1740373687, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lori Lieberman Maran, M.D. located?
The NPPES record lists a practice address at 1551 Professional LN, Longmont, CO, 80501. Phone: (720) 494-4700. Providers update this record themselves, so call before visiting.
How can I verify Lori Lieberman Maran, M.D.'s license?
NPPES lists Colorado license number 49807, 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 Lori Lieberman Maran, M.D. prescribe under Medicare Part D?
In 2024, Lori Lieberman Maran, M.D. had 1,260 Medicare Part D claims for 239 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.