Doctor profile · Federal record
Dr. Sundar Ramanathan, M.D.
Nephrology Physician (CMS: Internal Medicine) · Flint, MI
- NPI 1629105234
- Accepts Medicare
- 35 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
5080 Villa Linde Pkwy, Suite 2
Flint, MI 485323423
(810) 720-0162
fax (810) 720-0301 - Mailing address
-
1711 Momentum Pl, Lockbox Number 231711
Chicago, IL 606895317
Credentials & registration
- NPI registered
- February 2007 — 19 yrs on file
- Profile last updated
- July 2, 2008
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- Michigan #4301083236
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1629105234. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,367
Distinct HCPCS
10
Medicare allowed
$189,311
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 432 | 267 | $122 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 376 | 93 | $76 | |
90961 |
Dialysis services, 2-3 physician visits per month (20 years or older) | 194 | 29 | $278 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 91 | 33 | $115 | |
90962 |
Dialysis services, 1 physician visit per month (20 years or older) | 83 | 30 | $189 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 79 | 62 | $168 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 39 | 39 | $158 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 37 | 28 | $86 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 18 | 16 | $171 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 18 | 18 | $126 |
In context: peer comparison
Among 7 peers in this city , average services per provider: 162. This provider delivers 8.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,792
Patients
605
Total drug cost
$77,963
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Calcitriol | Generic | 337 | 108 | $12,998 |
| Allopurinol | Generic | 234 | 71 | $5,129 |
| Potassium Chloride | Generic | 183 | 60 | $7,998 |
| Furosemide | Generic | 176 | 73 | $1,097 |
| Amlodipine Besylate | Generic | 143 | 51 | $1,911 |
| Nifedipine Er (Nifedipine) | Brand | 139 | 45 | $8,804 |
| Spironolactone | Generic | 82 | 26 | $910 |
| Levothyroxine Sodium | Generic | 68 | 21 | $1,111 |
| Sevelamer Carbonate | Generic | 66 | 26 | $30,413 |
| Losartan Potassium | Generic | 65 | 27 | $1,278 |
Hospital affiliations
Frequently asked questions
What is Dr. Sundar Ramanathan's medical specialty?
Dr. Sundar Ramanathan practices Nephrology Physician in Flint, MI.
Where does Dr. Sundar Ramanathan practice?
Dr. Sundar Ramanathan practices at 5080 Villa Linde Pkwy, Flint, MI 485323423. Office phone: 8107200162.
What is Dr. Sundar Ramanathan's NPI?
Dr. Sundar Ramanathan's National Provider Identifier (NPI) is 1629105234, issued by NPPES.
Does Dr. Sundar Ramanathan accept Medicare assignment?
Yes. Dr. Sundar Ramanathan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sundar Ramanathan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Dialysis services, 2-3 physician visits per month (20 years or older) (HCPCS 90961). Source: CMS Medicare Physician & Other Practitioners file.