Brian Mahany, DO
NPI 1821084153 · Internal Medicine Physician · Lansing, MI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Mahany, DO is a Internal Medicine Physician provider in Lansing, MI (NPI 1821084153).
Provider details
- NPI number
- 1821084153
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- BM009760 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
939 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 393 | $86 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 119 | $123 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 112 | $18 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 98 | $14 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 74 | $121 |
| Urinalysis, Manual Test81002 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 132 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 560 | 146 |
| Atorvastatin Calcium | 525 | 158 |
| Losartan Potassium | 380 | 108 |
| Amlodipine Besylate | 291 | 79 |
| Omeprazole | 222 | 62 |
| Trazodone Hcl | 217 | 62 |
| Simvastatin | 217 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$208 across 5 records (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
- 2005-09-22
- Last updated
- 2008-11-07
Frequently asked questions
- What is Brian Mahany's NPI number?
- Brian Mahany's National Provider Identifier (NPI) is 1821084153, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Mahany's specialty?
- Brian Mahany is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Mahany located?
- Brian Mahany's practice location on file with NPPES is 2311 S Cedar St, Lansing, MI 48910-3191.
- What is Brian Mahany's phone number?
- The practice phone number listed in the NPPES registry for Brian Mahany is (517) 484-7900.
- Does Brian Mahany accept Medicare?
- Brian Mahany is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Mahany's NPI active?
- Yes — Brian Mahany's NPI (1821084153) is active in the NPPES registry as of the last update on 2008-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.