Doctor profile · Federal record

Dr. David Rorison, M.D.

Emergency Medicine Physician (CMS: Emergency Medicine) · Pasadena, MD

  • NPI 1083650253
  • Accepts Medicare
  • 45 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
8105 Ritchie Hwy
Pasadena, MD 211223905
(443) 573-0564
Additional location
22 S Greene St
Baltimore, MD 212011544
(410) 328-4383
Mailing address
5000 Cox RD
Glen Allen, VA 230609263

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
August 3, 2021
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Maryland #D0028260
Medicaid
MD #351011500

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083650253. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,525
Distinct HCPCS
10
Medicare allowed
$135,127
HCPCS Description Services Patients Avg allowed
71046 X-ray of chest, 2 views 331 308 $31
99213 Established patient office or other outpatient visit, 20-29 minutes 257 247 $95
99214 Established patient office or other outpatient visit, 30-39 minutes 208 197 $134
36415 Insertion of needle into vein for collection of blood sample 206 198 $8
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 197 189 $8
80047 Blood test, basic group of blood chemicals (calcium, ionized) 129 124 $13
87428 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 128 126 $63
99203 New patient office or other outpatient visit, 30-44 minutes 126 126 $119
81000 Manual urinalysis test with examination using microscope, non-automated 94 92 $4
99204 New patient office or other outpatient visit, 45-59 minutes 86 86 $176

In context: peer comparison

Among 1 peers in Pasadena Emergency Medicine Physician, average services per provider: 72. This provider delivers 35× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$487
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
MeMed US, INC. 2 $487.02

By nature of payment

Food and Beverage
$487

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
604
Patients
585
Total drug cost
$7,122
Drug Type Claims Patients Total cost
Doxycycline Hyclate Generic 121 118 $1,763
Methylprednisolone Generic 99 94 $1,084
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 84 81 $926
Ibuprofen Generic 37 37 $132
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 36 36 $239
Cefuroxime (Cefuroxime Axetil) Brand 34 32 $530
Azithromycin Generic 28 27 $155
Naproxen Generic 26 25 $106
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 26 25 $433
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 25 23 $871

Frequently asked questions

Auto-generated from federal data
What is Dr. David Rorison's medical specialty?
Dr. David Rorison practices Emergency Medicine Physician in Pasadena, MD.
Where does Dr. David Rorison practice?
Dr. David Rorison practices at 8105 Ritchie Hwy, Pasadena, MD 211223905. Office phone: 4435730564.
What is Dr. David Rorison's NPI?
Dr. David Rorison's National Provider Identifier (NPI) is 1083650253, issued by NPPES.
Does Dr. David Rorison accept Medicare assignment?
Yes. Dr. David Rorison accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Rorison commonly perform?
Top Medicare-reported procedures in 2023: X-ray of chest, 2 views (HCPCS 71046); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.