Doctor profile · Federal record

Dr. Tricia Royer, DO

Infectious Disease Physician (CMS: Infectious Disease) · Internal Medicine Physician · Philadelphia, PA

  • NPI 1649472978
  • Accepts Medicare
  • 19 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
1015 Chestnut St Ste 1020
Philadelphia, PA 191074310
(215) 955-7785
fax (215) 955-9362
Additional location
111 S 11Th St
Philadelphia, PA 191074824
(215) 955-6000
Additional location
2301 S Broad St
Philadelphia, PA 191483542
(215) 952-9100
Show 1 more location
Additional location
909 Walnut St
Philadelphia, PA 191075211
(215) 955-6000

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
December 6, 2018
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207RI0200X — NUCC code
State licenses (2)
Pennsylvania #OS016607 · Michigan #5101017189

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649472978. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
541
Distinct HCPCS
5
Medicare allowed
$61,872
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 212 120 $83
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 202 94 $124
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 56 53 $179
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 51 51 $136
99214 Established patient office or other outpatient visit, 30-39 minutes 20 16 $122

In context: peer comparison

Among 51 peers in Philadelphia Infectious Disease Physician, average services per provider: 65. This provider delivers 8.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
82
Patients
0
Total drug cost
$7,549
Drug Type Claims Patients Total cost
Sodium Chloride (0.9 % Sodium Chloride) Brand 27 0 $362
Ampicillin-Sulbactam (Ampicillin Sod/Sulbactam Sod) Brand 17 0 $2,532
Ampicillin Sodium Generic 13 0 $1,843
Ceftriaxone (Ceftriaxone Sodium) Brand 13 0 $603
Piperacillin-Tazobactam (Piperacillin Sodium/Tazobactam) Brand 12 0 $2,209

Frequently asked questions

Auto-generated from federal data
What is Dr. Tricia Royer's medical specialty?
Dr. Tricia Royer practices Infectious Disease Physician in Philadelphia, PA.
Where does Dr. Tricia Royer practice?
Dr. Tricia Royer practices at 1015 Chestnut St Ste 1020, Philadelphia, PA 191074310. Office phone: 2159557785.
What is Dr. Tricia Royer's NPI?
Dr. Tricia Royer's National Provider Identifier (NPI) is 1649472978, issued by NPPES.
Does Dr. Tricia Royer accept Medicare assignment?
Yes. Dr. Tricia Royer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tricia Royer commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.