Chakrapani Ranganathan, M.D.
NPI 1194709584 · Neurology Physician · Warren, MI
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chakrapani Ranganathan, M.D. is a Neurology Physician provider in Warren, MI (NPI 1194709584).
Provider details
- NPI number
- 1194709584
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301407344 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,569 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 348 | $123 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 296 | $78 |
| Measurement of Brain Wave Activity (eeg), Awake and Asleep95819 | 225 | $56 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 196 | $131 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 92 | $118 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 40 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Donepezil Hcl | 161 | 60 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 130 | 33 |
| Gabapentin | 124 | 67 |
| Levetiracetam | 104 | 30 |
| Pramipexole Di-Hclbrand: Pramipexole Dihydrochloride | 93 | 27 |
| Divalproex Sodiumbrand: Divalproex Sodium Er | 86 | 36 |
| Clopidogrel Bisulfatebrand: Clopidogrel |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$227 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-30
- Last updated
- 2022-12-20
- Certified
- 2022-12-20
Frequently asked questions
- What is Chakrapani Ranganathan's NPI number?
- Chakrapani Ranganathan's National Provider Identifier (NPI) is 1194709584, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chakrapani Ranganathan's specialty?
- Chakrapani Ranganathan is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Chakrapani Ranganathan located?
- Chakrapani Ranganathan's practice location on file with NPPES is 27427 Schoenherr Rd, Warren, MI 48088-4729.
- What is Chakrapani Ranganathan's phone number?
- The practice phone number listed in the NPPES registry for Chakrapani Ranganathan is (586) 756-5500.
- Does Chakrapani Ranganathan accept Medicare?
- Chakrapani Ranganathan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chakrapani Ranganathan's NPI active?
- Yes — Chakrapani Ranganathan's NPI (1194709584) is active in the NPPES registry as of the last update on 2022-12-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.