Calvin Natanzon, M.D.
NPI 1548405129 · Neurology Physician · Livingston, NJ
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Calvin Natanzon, M.D. is a Neurology Physician provider in Livingston, NJ (NPI 1548405129).
Provider details
- NPI number
- 1548405129
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 264533 (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
17 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
711 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 146 | $82 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 107 | $137 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 107 | $136 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 96 | $179 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Complete Study95886 | 78 | $102 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 36 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Primidone | 62 | 16 |
| Donepezil Hcl | 61 | 27 |
| Gabapentin | 55 | 16 |
| Levetiracetam | 52 | 14 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 44 | 12 |
| Pregabalin | 34 | — |
| Carbidopa/Levodopabrand: Rytary | 28 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-12-10
- Last updated
- 2021-10-06
- Certified
- 2021-10-06
Frequently asked questions
- What is Calvin Natanzon's NPI number?
- Calvin Natanzon's National Provider Identifier (NPI) is 1548405129, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Calvin Natanzon's specialty?
- Calvin Natanzon is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Calvin Natanzon located?
- Calvin Natanzon's practice location on file with NPPES is 315 E Northfield Rd Ste 1e, Livingston, NJ 07039.
- What is Calvin Natanzon's phone number?
- The practice phone number listed in the NPPES registry for Calvin Natanzon is (973) 436-4170.
- Does Calvin Natanzon accept Medicare?
- Calvin Natanzon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Calvin Natanzon's NPI active?
- Yes — Calvin Natanzon's NPI (1548405129) is active in the NPPES registry as of the last update on 2021-10-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.