Doctor profile · Federal record
Dr. Elizabeth Hammer, MD
Nephrology Physician (CMS: Nephrology) · Brooklyn, NY
- NPI 1104117340
- Accepts Medicare
- MIPS 79.9 / 100 · 2023
- 15 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
6740 4Th Ave Fl 3
Brooklyn, NY 112205350
(929) 455-2000 - Additional location
-
150 55Th St
Brooklyn, NY 112202508
(718) 630-7000
fax (718) 630-8515 - Additional location
-
550 1St Ave, Apt. 11E
New York, NY 100166402
(732) 816-8454 - Mailing address
-
550 1St Ave
New York, NY 100166402
Credentials & registration
- NPI registered
- April 2011 — 15 yrs on file
- Profile last updated
- April 9, 2021
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- New York #268356
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1104117340. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,344
Distinct HCPCS
10
Medicare allowed
$180,717
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90935 |
Hemodialysis procedure with physician evaluation | 337 | 116 | $83 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 225 | 91 | $92 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 218 | 100 | $149 | |
36415 |
Insertion of needle into vein for collection of blood sample | 179 | 88 | $8 | |
90961 |
Dialysis services, 2-3 physician visits per month (20 years or older) | 105 | 23 | $340 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 70 | 66 | $153 | |
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 59 | 19 | $407 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 54 | 29 | $139 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 37 | 37 | $194 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 27 | 17 | $208 |
In context: peer comparison
Among 32 peers in Brooklyn Nephrology Physician, average services per provider: 166. This provider delivers 8.1× the peer median.Open Payments
Industry payments received
All-time total
$240
Transactions
11
Manufacturers
7
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novartis Pharmaceuticals Corporation | 3 | $69.12 | |
| Amgen INC. | 2 | $49.68 | |
| Novo Nordisk INC | 2 | $29.14 | |
| AstraZeneca Pharmaceuticals Lp | 1 | $26.93 | |
| Otsuka America Pharmaceutical, INC. | 1 | $25.21 | |
| Akebia Therapeutics INC | 1 | $22.53 | |
| Lilly USA, LLC | 1 | $16.89 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
775
Patients
249
Total drug cost
$235,208
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Jardiance (Empagliflozin) | Brand | 92 | 28 | $98,915 |
| Furosemide | Generic | 83 | 34 | $610 |
| Allopurinol | Generic | 75 | 24 | $1,206 |
| Losartan Potassium | Generic | 71 | 31 | $1,198 |
| Nifedipine ER (Nifedipine) | Brand | 67 | 22 | $4,099 |
| Amlodipine Besylate | Generic | 62 | 28 | $648 |
| Lisinopril | Generic | 55 | 13 | $357 |
| Hydralazine Hcl | Generic | 48 | 18 | $1,246 |
| Veltassa (Patiromer Calcium Sorbitex) | Brand | 39 | 11 | $54,078 |
| Calcitriol | Generic | 37 | 13 | $650 |
Hospital affiliations
Frequently asked questions
What is Dr. Elizabeth Hammer's medical specialty?
Dr. Elizabeth Hammer practices Nephrology Physician in Brooklyn, NY.
Where does Dr. Elizabeth Hammer practice?
Dr. Elizabeth Hammer practices at 6740 4Th Ave Fl 3, Brooklyn, NY 112205350. Office phone: 9294552000.
What is Dr. Elizabeth Hammer's NPI?
Dr. Elizabeth Hammer's National Provider Identifier (NPI) is 1104117340, issued by NPPES.
Does Dr. Elizabeth Hammer accept Medicare assignment?
Yes. Dr. Elizabeth Hammer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Elizabeth Hammer commonly perform?
Top Medicare-reported procedures in 2023: Hemodialysis procedure with physician evaluation (HCPCS 90935); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.