Doctor profile · Federal record

Dr. Ryan Gardner, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Critical Care Medicine (Anesthesiology) Physician · Boston, MA

  • NPI 1588195333
  • Accepts Medicare
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
330 Brookline Ave
Boston, MA 022155400
(617) 667-7000
Additional location
19 Verdun St
Watervliet, NY 121891221
(518) 331-5012
Mailing address
75 Peterborough St Apt 501
Boston, MA 022154314

Credentials & registration

NPPES · NUCC
NPI registered
March 2017 — 9 yrs on file
Profile last updated
January 22, 2026
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
Massachusetts #271295 · Massachusetts #72062

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588195333. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
700
Distinct HCPCS
9
Medicare allowed
$100,948
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 242 129 $220
99285 Emergency department visit with high level of medical decision making 191 189 $180
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 121 88 $9
93042 Electrocardiogram (ecg) 1 to 3 leads with review by physician only 49 49 $7
99284 Emergency department visit with moderate level of medical decision making 31 31 $123
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 21 21 $182
99292 Critical care, each additional 30 minutes 17 16 $109
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older) 15 15 $87
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 13 12 $81

In context: peer comparison

Among 183 peers in Boston Emergency Medicine Physician, average services per provider: 65. This provider delivers 11× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ryan Gardner's medical specialty?
Dr. Ryan Gardner practices Emergency Medicine Physician in Boston, MA.
Where does Dr. Ryan Gardner practice?
Dr. Ryan Gardner practices at 330 Brookline Ave, Boston, MA 022155400. Office phone: 6176677000.
What is Dr. Ryan Gardner's NPI?
Dr. Ryan Gardner's National Provider Identifier (NPI) is 1588195333, issued by NPPES.
Does Dr. Ryan Gardner accept Medicare assignment?
Yes. Dr. Ryan Gardner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ryan Gardner commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.