Doctor profile · Federal record

Dr. Chakrapani Ranganathan, M.D.

Neurology Physician (CMS: Neurology) · Warren, MI

  • NPI 1194709584
  • Accepts Medicare
  • MIPS 80.3 / 100 · 2023
  • 46 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
27427 Schoenherr RD, Ste 100
Warren, MI 480884729
(586) 756-5500
fax (586) 756-5511
Mailing address
Po Box 7027
Novi, MI 483767027

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
December 20, 2022
Year of graduation
1980 — 46 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
Michigan #4301407344
Medicaid
MI #431929510

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194709584. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,686
Distinct HCPCS
10
Medicare allowed
$238,082
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 350 187 $80
99214 Established patient office or other outpatient visit, 30-39 minutes 343 225 $127
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 214 204 $133
95819 Measurement of brain wave activity (eeg), awake and asleep 206 173 $57
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99 56 $121
99215 Established patient office or other outpatient visit, 40-54 minutes 77 68 $179
95811 Sleep study in sleep lab with continuous airway pressure (6 years or older) 66 61 $635
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 66 63 $177
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 64 52 $51
99213 Established patient office or other outpatient visit, 20-29 minutes 49 41 $81

In context: peer comparison

Among 1 peers in Warren Neurology Physician, average services per provider: 105. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$227
Transactions
5
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Medtronic, INC. 5 $226.66

By nature of payment

Food and Beverage
$210
Travel and Lodging
$17

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,296
Patients
388
Total drug cost
$45,394
Drug Type Claims Patients Total cost
Donepezil Hcl Generic 169 56 $3,014
Gabapentin Generic 157 70 $3,687
Levetiracetam Generic 130 32 $5,455
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 114 37 $5,526
Pramipexole Dihydrochloride (Pramipexole di-Hcl) Brand 98 33 $2,940
Clopidogrel (Clopidogrel Bisulfate) Brand 92 29 $1,250
Divalproex Sodium Generic 86 23 $2,205
Primidone Generic 82 28 $3,757
Clonazepam Generic 60 28 $454
Memantine Hcl Generic 60 19 $3,084

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Chakrapani Ranganathan's medical specialty?
Dr. Chakrapani Ranganathan practices Neurology Physician in Warren, MI.
Where does Dr. Chakrapani Ranganathan practice?
Dr. Chakrapani Ranganathan practices at 27427 Schoenherr RD, Warren, MI 480884729. Office phone: 5867565500.
What is Dr. Chakrapani Ranganathan's NPI?
Dr. Chakrapani Ranganathan's National Provider Identifier (NPI) is 1194709584, issued by NPPES.
Does Dr. Chakrapani Ranganathan accept Medicare assignment?
Yes. Dr. Chakrapani Ranganathan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chakrapani Ranganathan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.