Doctor profile · Federal record

Dr. Ryan Zimmerman, M.D.

Orthopaedic Surgery Physician (CMS: Hand Surgery) · Lutherville, MD

  • NPI 1164659645
  • Accepts Medicare
  • MIPS 0.0 / 100 · 2023
  • 17 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1400 Front Ave, Suite 100
Lutherville, MD 210935300
(410) 296-6232
fax (410) 821-5943

Credentials & registration

NPPES · NUCC
NPI registered
June 2009 — 17 yrs on file
Profile last updated
September 12, 2023
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207X00000X — NUCC code
State license (1)
Maryland #D0079107

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164659645. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,331
Distinct HCPCS
10
Medicare allowed
$196,127
HCPCS Description Services Patients Avg allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 776 225 $1
99213 Established patient office or other outpatient visit, 20-29 minutes 352 264 $95
99203 New patient office or other outpatient visit, 30-44 minutes 193 193 $118
99214 Established patient office or other outpatient visit, 30-39 minutes 151 139 $133
20550 Injection into tendon or ligament 144 110 $57
99204 New patient office or other outpatient visit, 45-59 minutes 121 121 $175
73130 X-ray of hand, minimum of 3 views 79 57 $39
20605 Aspiration and/or injection of fluid from medium joint 69 56 $59
73030 X-ray of shoulder, minimum of 2 views 67 49 $38
20610 Aspiration and/or injection of fluid from large joint 63 54 $71

In context: peer comparison

Among 1 peers in Lutherville Orthopaedic Surgery Physician, average services per provider: 111. This provider delivers 21× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$679
Transactions
7
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Medical Device Business Services, INC. 1 $450.00
Smith+Nephew, INC. 2 $86.52
Acumed LLC 1 $80.29
Endo Pharmaceuticals INC. 1 $23.87
Biocomposites INC 1 $20.71
Endo USA, INC. 1 $17.43

By nature of payment

Consulting Fee
$450
Food and Beverage
$229

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
78
Patients
62
Total drug cost
$499
Drug Type Claims Patients Total cost
Methylprednisolone Generic 36 34 $309
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 18 16 $92
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 12 0 $71
Tramadol Hcl Generic 12 12 $27

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ryan Zimmerman's medical specialty?
Dr. Ryan Zimmerman practices Orthopaedic Surgery Physician in Lutherville, MD.
Where does Dr. Ryan Zimmerman practice?
Dr. Ryan Zimmerman practices at 1400 Front Ave, Lutherville, MD 210935300. Office phone: 4102966232.
What is Dr. Ryan Zimmerman's NPI?
Dr. Ryan Zimmerman's National Provider Identifier (NPI) is 1164659645, issued by NPPES.
Does Dr. Ryan Zimmerman accept Medicare assignment?
Yes. Dr. Ryan Zimmerman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ryan Zimmerman commonly perform?
Top Medicare-reported procedures in 2023: Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.