Doctor profile · Federal record
Dr. William Ackley, M.D.
Nephrology Physician (CMS: Nephrology) · Student in an Organized Health Care Education/Training Program · New Haven, CT
- NPI 1225565906
- Accepts Medicare
- MIPS 75.2 / 100 · 2023
- 9 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
20 York St, Ynhh Internal Medicine
New Haven, CT 065103220
(203) 688-4242 - Additional location
-
263 Farmington Ave
Farmington, CT 060308082
(860) 679-4888
fax (860) 649-1430 - Mailing address
-
263 Farmington Ave
Farmington, CT 060308082
Credentials & registration
- NPI registered
- May 2017 — 9 yrs on file
- Profile last updated
- June 18, 2025
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- Connecticut #07112
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1225565906. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
372
Distinct HCPCS
10
Medicare allowed
$54,916
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 95 | 38 | $82 | |
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 68 | 35 | $366 | |
90935 |
Hemodialysis procedure with physician evaluation | 48 | 20 | $74 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 47 | 34 | $101 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 33 | 25 | $149 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 21 | 17 | $52 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 18 | 18 | $135 | |
76604 |
Ultrasound scan of chest | 16 | 15 | $29 | |
90961 |
Dialysis services, 2-3 physician visits per month (20 years or older) | 14 | 13 | $305 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 12 | 11 | $66 |
In context: peer comparison
Among 16 peers in New Haven Nephrology Physician, average services per provider: 74. This provider delivers 5.0× the peer median.Open Payments
Industry payments received
All-time total
$31
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novartis Pharmaceuticals Corporation | 1 | $27.82 | |
| Travere Therapeutics, INC. | 1 | $3.08 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
443
Patients
76
Total drug cost
$104,414
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Torsemide | Generic | 66 | 21 | $2,329 |
| Amlodipine Besylate | Generic | 51 | 15 | $440 |
| Losartan Potassium | Generic | 48 | 13 | $601 |
| Sevelamer Carbonate | Generic | 35 | 12 | $13,194 |
| Jardiance (Empagliflozin) | Brand | 32 | 0 | $53,873 |
| Furosemide | Generic | 31 | 15 | $350 |
| Lisinopril | Generic | 28 | 0 | $251 |
| Calcitriol | Generic | 22 | 0 | $594 |
| Doxazosin Mesylate | Generic | 20 | 0 | $671 |
| Metolazone | Generic | 20 | 0 | $2,039 |
Frequently asked questions
What is Dr. William Ackley's medical specialty?
Dr. William Ackley practices Nephrology Physician in New Haven, CT.
Where does Dr. William Ackley practice?
Dr. William Ackley practices at 20 York St, New Haven, CT 065103220. Office phone: 2036884242.
What is Dr. William Ackley's NPI?
Dr. William Ackley's National Provider Identifier (NPI) is 1225565906, issued by NPPES.
Does Dr. William Ackley accept Medicare assignment?
Yes. Dr. William Ackley accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Ackley commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960); Hemodialysis procedure with physician evaluation (HCPCS 90935). Source: CMS Medicare Physician & Other Practitioners file.