Marianna Shimelfarb, M.D.
NPI 1275842452 · Family Medicine Physician · Montclair, NJ
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marianna Shimelfarb, M.D. is a Family Medicine Physician provider in Montclair, NJ (NPI 1275842452).
Provider details
- NPI number
- 1275842452
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 25MA09722100 (NJ)
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
15 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
931 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 | 292 | $139 |
| Advance Care Planning, First 30 Minutes99497 | 115 | $87 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 108 | $140 |
| 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 | 85 | $18 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 78 | $9 |
| Blood Test, Lipids (cholesterol and Triglycerides) |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 94 | 31 |
| Atorvastatin Calcium | 93 | 31 |
| Levothyroxine Sodium | 92 | 30 |
| Losartan Potassium | 68 | 24 |
| Rosuvastatin Calcium | 64 | 19 |
| Hydrochlorothiazide | 45 | 15 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-10-05
- Last updated
- 2019-07-08
Frequently asked questions
- What is Marianna Shimelfarb's NPI number?
- Marianna Shimelfarb's National Provider Identifier (NPI) is 1275842452, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marianna Shimelfarb's specialty?
- Marianna Shimelfarb is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marianna Shimelfarb located?
- Marianna Shimelfarb's practice location on file with NPPES is 48-50 Fairfield Street, Montclair, NJ 07042.
- What is Marianna Shimelfarb's phone number?
- The practice phone number listed in the NPPES registry for Marianna Shimelfarb is (973) 744-8511.
- Does Marianna Shimelfarb accept Medicare?
- Marianna Shimelfarb is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marianna Shimelfarb's NPI active?
- Yes — Marianna Shimelfarb's NPI (1275842452) is active in the NPPES registry as of the last update on 2019-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.