Doctor profile · Federal record
Dr. Dan Ryan
Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Boston, MA
- NPI 1659750255
- Accepts Medicare
- 9 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
800 Washington St
Boston, MA 021111552
(617) 636-5000
Credentials & registration
- NPI registered
- May 2015 — 11 yrs on file
- Profile last updated
- July 8, 2024
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 367500000X — NUCC code
- State license (1)
- Massachusetts #RN2265374
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1659750255. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
31
Distinct HCPCS
2
Medicare allowed
$4,206
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00812 |
Anesthesia for exam of colon using an endoscope | 19 | 19 | $61 | |
00560 |
Anesthesia for procedure on heart and large blood vessels | 12 | 12 | $254 |
In context: peer comparison
Among 104 peers in this city , average services per provider: 30. This provider delivers 1.0× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Dan Ryan's medical specialty?
Dr. Dan Ryan practices Certified Registered Nurse Anesthetist in Boston, MA.
Where does Dr. Dan Ryan practice?
Dr. Dan Ryan practices at 800 Washington St, Boston, MA 021111552. Office phone: 6176365000.
What is Dr. Dan Ryan's NPI?
Dr. Dan Ryan's National Provider Identifier (NPI) is 1659750255, issued by NPPES.
Does Dr. Dan Ryan accept Medicare assignment?
Yes. Dr. Dan Ryan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dan Ryan commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for exam of colon using an endoscope (HCPCS 00812); Anesthesia for procedure on heart and large blood vessels (HCPCS 00560). Source: CMS Medicare Physician & Other Practitioners file.