Nandakumar Narayanan, M.D.
NPI 1831349620 · Neurology Physician · Iowa City, IA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nandakumar Narayanan, M.D. is a Neurology Physician provider in Iowa City, IA (NPI 1831349620).
Provider details
- NPI number
- 1831349620
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 40473 (IA)
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
224 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 99 | $131 |
| Electronic Analysis of Implanted Brain, Spinal Cord, Or Peripheral Neurostimulator Generator With Brain Stimulator Programming, Each Additional 15 Minutes With Qualified Health Professional95984 | 27 | $39 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 26 | $72 |
| Electronic Analysis of Implanted Brain, Spinal Cord, Or Peripheral Neurostimulator Generator With Brain Stimulator Programming, First 15 Minutes With Qualified Health Professional95983 | 21 | $45 |
| 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 | 20 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 299 | 82 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa Er | 168 | 47 |
| Clonazepam | 126 | 20 |
| Rivastigmine | 96 | 21 |
| Istradefyllinebrand: Nourianz | 95 | 17 |
| Amantadine Hclbrand: Amantadine | 70 | 25 |
| Sertraline Hcl | 67 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-09-29
- Last updated
- 2024-10-03
- Certified
- 2024-10-03
Frequently asked questions
- What is Nandakumar Narayanan's NPI number?
- Nandakumar Narayanan's National Provider Identifier (NPI) is 1831349620, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nandakumar Narayanan's specialty?
- Nandakumar Narayanan is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Nandakumar Narayanan located?
- Nandakumar Narayanan's practice location on file with NPPES is 200 Hawkins Dr, Iowa City, IA 52242-1009.
- What is Nandakumar Narayanan's phone number?
- The practice phone number listed in the NPPES registry for Nandakumar Narayanan is (319) 356-2572.
- Does Nandakumar Narayanan accept Medicare?
- Nandakumar Narayanan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nandakumar Narayanan's NPI active?
- Yes — Nandakumar Narayanan's NPI (1831349620) is active in the NPPES registry as of the last update on 2024-10-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.