Doctor profile · Federal record
Dr. Marzuq Billah, M.D.
Nephrology Physician (CMS: Nephrology) · Internal Medicine Physician · Nephrology Physician · New Haven, CT
- NPI 1689036774
- Accepts Medicare
- 11 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
800 Howard Ave Fl 2
New Haven, CT 065191369
(203) 785-4184 - Additional location
-
1 Gustave L Levy Pl
New York, NY 100296504
(212) 241-6500 - Additional location
-
36 W 60Th St
New York, NY 100237903
(212) 523-8672
fax (212) 265-3416
Credentials & registration
- NPI registered
- March 2016 — 10 yrs on file
- Profile last updated
- September 27, 2023
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State licenses (2)
- Connecticut #74554 · New York #310065
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1689036774. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
506
Distinct HCPCS
9
Medicare allowed
$59,822
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 219 | 68 | $88 | |
36415 |
Insertion of needle into vein for collection of blood sample | 49 | 26 | $8 | |
90935 |
Hemodialysis procedure with physician evaluation | 46 | 24 | $79 | |
90966 |
Home dialysis services per month (20 years or older) | 43 | 22 | $326 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 42 | 41 | $146 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 41 | 19 | $145 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 40 | 14 | $133 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 14 | 14 | $189 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 12 | 12 | $194 |
In context: peer comparison
Among 16 peers in New Haven Nephrology Physician, average services per provider: 74. This provider delivers 6.8× the peer median.Open Payments
Industry payments received
All-time total
$20
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, INC. | 1 | $19.74 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
224
Patients
17
Total drug cost
$32,293
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Losartan Potassium | Generic | 75 | 17 | $511 |
| Lokelma (Sodium Zirconium Cyclosilicate) | Brand | 27 | 0 | $17,107 |
| Lisinopril | Generic | 22 | 0 | $100 |
| Nifedipine ER (Nifedipine) | Brand | 21 | 0 | $469 |
| Amlodipine Besylate | Generic | 19 | 0 | $48 |
| Jardiance (Empagliflozin) | Brand | 19 | 0 | $13,636 |
| Furosemide | Generic | 16 | 0 | $80 |
| Hydrochlorothiazide | Generic | 13 | 0 | $33 |
| Chlorthalidone | Generic | 12 | 0 | $308 |
Frequently asked questions
What is Dr. Marzuq Billah's medical specialty?
Dr. Marzuq Billah practices Nephrology Physician in New Haven, CT.
Where does Dr. Marzuq Billah practice?
Dr. Marzuq Billah practices at 800 Howard Ave Fl 2, New Haven, CT 065191369. Office phone: 2037854184.
What is Dr. Marzuq Billah's NPI?
Dr. Marzuq Billah's National Provider Identifier (NPI) is 1689036774, issued by NPPES.
Does Dr. Marzuq Billah accept Medicare assignment?
Yes. Dr. Marzuq Billah accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marzuq Billah commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Hemodialysis procedure with physician evaluation (HCPCS 90935). Source: CMS Medicare Physician & Other Practitioners file.