Marianne Monahan, M.D.
NPI 1376577858 · Nephrology Physician · White Plains, NY
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marianne Monahan, M.D. is a Nephrology Physician provider in White Plains, NY (NPI 1376577858).
Provider details
- NPI number
- 1376577858
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 214591 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
3,960 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 490 | $143 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 424 | $83 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 408 | $18 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 270 | $384 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 242 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 48 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 160 | 49 |
| Amlodipine Besylate | 156 | 53 |
| Carvedilol | 110 | 30 |
| Calcitriol | 92 | 28 |
| Losartan Potassium | 84 | 30 |
| Lisinopril | 78 | 20 |
| Atorvastatin Calcium | 65 | 19 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-10
- Last updated
- 2013-10-16
Frequently asked questions
- What is Marianne Monahan's NPI number?
- Marianne Monahan's National Provider Identifier (NPI) is 1376577858, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marianne Monahan's specialty?
- Marianne Monahan is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Marianne Monahan located?
- Marianne Monahan's practice location on file with NPPES is 222 Westchester Ave, White Plains, NY 10604-2906.
- What is Marianne Monahan's phone number?
- The practice phone number listed in the NPPES registry for Marianne Monahan is (914) 683-6474.
- Does Marianne Monahan accept Medicare?
- Marianne Monahan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marianne Monahan's NPI active?
- Yes — Marianne Monahan's NPI (1376577858) is active in the NPPES registry as of the last update on 2013-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.