Doctor profile · Federal record

Dr. David Ryan, MD

Medical Oncology Physician (CMS: Medical Oncology) · Internal Medicine Physician · Boston, MA

  • NPI 1184605594
  • Accepts Medicare
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
55 Fruit St, Yaw 7E
Boston, MA 021142621
(617) 724-0245
fax (617) 724-3166
Mailing address
Po Box 9142
Charlestown, MA 021299142

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
December 12, 2012
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State license (1)
Massachusetts #150748
Medicaid
MA #3174158

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184605594. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
285
Distinct HCPCS
4
Medicare allowed
$30,212
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 175 58 $104
99213 Established patient office or other outpatient visit, 20-29 minutes 45 32 $70
99215 Established patient office or other outpatient visit, 40-54 minutes 44 34 $153
99443 Telephone medical discussion with physician, 21-30 minutes 21 15 $103

In context: peer comparison

Among 103 peers in this city , average services per provider: 67. This provider delivers 4.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
22
Patients
0
Total drug cost
$144,560
Drug Type Claims Patients Total cost
Lonsurf (Trifluridine/Tipiracil Hcl) Brand 11 0 $144,534
Lorazepam Generic 11 0 $26

Frequently asked questions

Auto-generated from federal data
What is Dr. David Ryan's medical specialty?
Dr. David Ryan practices Medical Oncology Physician in Boston, MA.
Where does Dr. David Ryan practice?
Dr. David Ryan practices at 55 Fruit St, Boston, MA 021142621. Office phone: 6177240245.
What is Dr. David Ryan's NPI?
Dr. David Ryan's National Provider Identifier (NPI) is 1184605594, issued by NPPES.
Does Dr. David Ryan accept Medicare assignment?
Yes. Dr. David Ryan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Ryan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.