Based in New Haven, CT, William Patrick Ackley, M.D. is listed in the NPI registry under nephrology. William graduated from New York University School of Medicine in 2017. William is also listed as specialising in student in an organized health care education program. According to Medicare claims data, William cared for 337 Medicare patients across 986 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Dr. Ackley is a nephrology in New Haven, CT. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “NEPHROLOGY”.
NPI registry
Dr. Ackley is listed at 20 YORK ST YNHH INTERNAL MEDICINE, New Haven, CT 06510. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (203) 688-4242. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Ackley's National Provider Identifier is 1225565906. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Ackley attended New York University School of Medicine, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
Dr. Ackley has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Ackley provides treatments such as dialysis services, per day, less than full month service and dialysis services, 4 or more physician visits per month, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ackley. If this is you, claiming it is free.
Guide.md
Source: NPPES NPI Registry
20 YORK ST YNHH INTERNAL MEDICINE
New Haven, CT 06510
986 services · 337 patients · 12 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Dialysis services, per day, less than full month service (20 years or older) | Treatment | 90970 |
444 |
| Dialysis services, 4 or more physician visits per month (20 years or older) | Treatment | 90960 |
62 |
| Hemodialysis procedure with physician evaluation | Treatment | 90935 |
61 |
| Dialysis services, 2-3 physician visits per month (20 years or older) | Treatment | 90961 |
14 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
136 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
92 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
74 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
34 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
30 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
16 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileConnections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Same specialty, same street address — most likely the same department or group.
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Same specialty, same city.
Other providers in the same specialty who trained at the same institution.
Providers who graduated from the same medical school in the same year.
Providers in CT who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.