Doctor profile · Federal record
Dr. Gill Frei, MD
Nephrology Physician (CMS: Neurology) · Internal Medicine Physician · Bronx, NY
- NPI 1477541761
- Accepts Medicare
- 42 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1200 Waters Pl, Suite M104
Bronx, NY 104612728
(718) 794-1200 - Mailing address
-
2452 Bronx Park E
Bronx, NY 104677503
Credentials & registration
- NPI registered
- October 2005 — 21 yrs on file
- Profile last updated
- May 26, 2016
- Year of graduation
- 1984 — 42 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- New York #168619
- Medicaid
- NY #01251725
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1477541761. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
739
Distinct HCPCS
9
Medicare allowed
$157,944
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 219 | 38 | $400 | |
36415 |
Insertion of needle into vein for collection of blood sample | 116 | 62 | $8 | |
90961 |
Dialysis services, 2-3 physician visits per month (20 years or older) | 103 | 41 | $334 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 82 | 29 | $91 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 81 | 42 | $118 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 75 | 53 | $92 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 35 | 16 | $136 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 15 | 14 | $199 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 13 | 13 | $257 |
In context: peer comparison
Among 30 peers in Bronx Nephrology Physician, average services per provider: 106. This provider delivers 7.0× the peer median.Open Payments
Industry payments received
All-time total
$340
Transactions
14
Manufacturers
10
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Lilly USA, LLC | 3 | $86.28 | |
| Ardelyx, INC. | 3 | $49.13 | |
| Novartis Pharmaceuticals Corporation | 1 | $30.85 | |
| Exact Sciences Corporation | 1 | $26.85 | |
| Bayer Healthcare Pharmaceuticals INC. | 1 | $25.74 | |
| Vifor Pharma, INC. | 1 | $25.54 | |
| Travere Therapeutics, INC. | 1 | $25.04 | |
| AstraZeneca Pharmaceuticals Lp | 1 | $24.79 | |
| Fresenius USA Marketing, INC. | 1 | $24.49 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 1 | $21.78 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,218
Patients
380
Total drug cost
$147,146
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Losartan Potassium | Generic | 206 | 77 | $2,743 |
| Sevelamer Carbonate | Generic | 201 | 57 | $104,745 |
| Amlodipine Besylate | Generic | 99 | 34 | $690 |
| Nifedipine ER (Nifedipine) | Brand | 90 | 34 | $4,813 |
| Furosemide | Generic | 76 | 22 | $692 |
| Chlorthalidone | Generic | 73 | 22 | $2,212 |
| Atorvastatin Calcium | Generic | 69 | 23 | $915 |
| Lactulose | Generic | 62 | 17 | $847 |
| Calcium Acetate | Generic | 60 | 20 | $10,261 |
| Torsemide | Generic | 58 | 17 | $1,089 |
Frequently asked questions
What is Dr. Gill Frei's medical specialty?
Dr. Gill Frei practices Nephrology Physician in Bronx, NY.
Where does Dr. Gill Frei practice?
Dr. Gill Frei practices at 1200 Waters Pl, Bronx, NY 104612728. Office phone: 7187941200.
What is Dr. Gill Frei's NPI?
Dr. Gill Frei's National Provider Identifier (NPI) is 1477541761, issued by NPPES.
Does Dr. Gill Frei accept Medicare assignment?
Yes. Dr. Gill Frei accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gill Frei commonly perform?
Top Medicare-reported procedures in 2023: Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Dialysis services, 2-3 physician visits per month (20 years or older) (HCPCS 90961). Source: CMS Medicare Physician & Other Practitioners file.