Andrew Giritharan, MD
NPI 1588083968 · Neurology Physician · Nashville, TN
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Giritharan, MD is a Neurology Physician provider in Nashville, TN (NPI 1588083968).
Provider details
- NPI number
- 1588083968
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 61087 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
428 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 | 170 | $92 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 60 | $139 |
| Electronic Analysis of Implanted Brain, Spinal Cord, Or Peripheral Neurostimulator Generator With Brain Stimulator Programming, Each Additional 15 Minutes With Qualified Health Professional95984 | 58 | $41 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 51 | $128 |
| Electronic Analysis of Implanted Brain, Spinal Cord, Or Peripheral Neurostimulator Generator With Brain Stimulator Programming, First 15 Minutes With Qualified Health Professional95983 | 44 | $47 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 421 | 130 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa Er | 138 | 42 |
| Baclofen | 79 | 17 |
| Entacapone | 67 | 24 |
| Valbenazine Tosylatebrand: Ingrezza | 64 | — |
| Primidone | 55 | 17 |
| Clonazepam | 55 | — |
Practice location
Mailing address
Additional practice locations (1)
- 3303 Sw Bond Ave Ste 8Portland, OR 97239Phone: (503) 494-7772Fax: (503) 418-3283
Registry dates
- Enumerated
- 2014-04-14
- Last updated
- 2022-03-31
- Certified
- 2022-03-31
Frequently asked questions
- What is Andrew Giritharan's NPI number?
- Andrew Giritharan's National Provider Identifier (NPI) is 1588083968, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Giritharan's specialty?
- Andrew Giritharan is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Giritharan located?
- Andrew Giritharan's practice location on file with NPPES is 3601 the Vanderbilt Clinic, Nashville, TN 37232-0001.
- What is Andrew Giritharan's phone number?
- The practice phone number listed in the NPPES registry for Andrew Giritharan is (615) 936-2000.
- Does Andrew Giritharan accept Medicare?
- Andrew Giritharan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Giritharan's NPI active?
- Yes — Andrew Giritharan's NPI (1588083968) is active in the NPPES registry as of the last update on 2022-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.