Lori Maran, M.D.
NPI 1740373687 · Rheumatology Physician · Longmont, CO
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lori Maran, M.D. is a Rheumatology Physician provider in Longmont, CO (NPI 1740373687).
Provider details
- NPI number
- 1740373687
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD429489 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
759 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 191 | $129 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 143 | $91 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 132 | $133 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 119 | $15 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 95 | $64 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 217 | 63 |
| Methotrexate Sodiumbrand: Methotrexate | 145 | 31 |
| Hydroxychloroquine Sulfate | 143 | 37 |
| Allopurinol | 100 | 30 |
| Celecoxib | 95 | 32 |
| Folic Acid | 52 | 14 |
| Gabapentin | 39 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$23 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-02
- Last updated
- 2011-11-16
Frequently asked questions
- What is Lori Maran's NPI number?
- Lori Maran's National Provider Identifier (NPI) is 1740373687, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lori Maran's specialty?
- Lori Maran is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Lori Maran located?
- Lori Maran's practice location on file with NPPES is 1551 Professional Ln, Longmont, CO 80501-6972.
- What is Lori Maran's phone number?
- The practice phone number listed in the NPPES registry for Lori Maran is (720) 494-4700.
- Does Lori Maran accept Medicare?
- Lori Maran is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lori Maran's NPI active?
- Yes — Lori Maran's NPI (1740373687) is active in the NPPES registry as of the last update on 2011-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.