Doctor profile · Federal record
Dr. Manjit Grewal, M.D.
Nephrology Physician (CMS: Nephrology) · Specialist · Flint, MI
- NPI 1982694519
- Accepts Medicare
- 36 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
G1071 N Ballenger Hwy, Suite 310
Flint, MI 485044453
(810) 238-4172
fax (810) 238-4153 - Mailing address
-
3733 Heron Ridge Dr
Rochester Hills, MI 483094522
Credentials & registration
- NPI registered
- October 2005 — 21 yrs on file
- Profile last updated
- August 14, 2018
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- Michigan #4301063741
- Medicaid
- MI #411131110
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1982694519. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,758
Distinct HCPCS
10
Medicare allowed
$372,002
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 635 | 206 | $77 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 512 | 312 | $101 | |
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 415 | 62 | $329 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 363 | 154 | $48 | |
90966 |
Home dialysis services per month (20 years or older) | 189 | 19 | $258 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 164 | 144 | $126 | |
90935 |
Hemodialysis procedure with physician evaluation | 143 | 59 | $69 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 123 | 116 | $84 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 79 | 52 | $115 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 50 | 50 | $159 |
In context: peer comparison
Among 7 peers in Flint Nephrology Physician, average services per provider: 162. This provider delivers 17× the peer median.Open Payments
Industry payments received
All-time total
$18
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Otsuka America Pharmaceutical, INC. | 1 | $18.09 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,453
Patients
858
Total drug cost
$86,250
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Losartan Potassium | Generic | 390 | 129 | $8,247 |
| Lisinopril | Generic | 353 | 110 | $4,400 |
| Calcitriol | Generic | 338 | 117 | $13,100 |
| Amlodipine Besylate | Generic | 318 | 111 | $3,547 |
| Allopurinol | Generic | 187 | 62 | $2,164 |
| Spironolactone | Generic | 159 | 56 | $2,000 |
| Hydralazine Hcl | Generic | 103 | 40 | $2,217 |
| Furosemide | Generic | 91 | 34 | $756 |
| Potassium Chloride | Generic | 80 | 32 | $3,308 |
| Spironolactone-Hctz (Spironolact/Hydrochlorothiazid) | Brand | 79 | 28 | $2,455 |
Frequently asked questions
What is Dr. Manjit Grewal's medical specialty?
Dr. Manjit Grewal practices Nephrology Physician in Flint, MI.
Where does Dr. Manjit Grewal practice?
Dr. Manjit Grewal practices at G1071 N Ballenger Hwy, Flint, MI 485044453. Office phone: 8102384172.
What is Dr. Manjit Grewal's NPI?
Dr. Manjit Grewal's National Provider Identifier (NPI) is 1982694519, issued by NPPES.
Does Dr. Manjit Grewal accept Medicare assignment?
Yes. Dr. Manjit Grewal accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Manjit Grewal 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); Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960). Source: CMS Medicare Physician & Other Practitioners file.