Doctor profile · Federal record

Dr. Silvia Gratz, D.O.

Psychiatry Physician (CMS: Psychiatry) · Philadelphia, PA

  • NPI 1134161938
  • Accepts Medicare
  • 41 yrs in practice
  • Female
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4641 Roosevelt Blvd, Suite C229
Philadelphia, PA 191242343
(215) 831-4811
fax (215) 832-2603
Mailing address
1500 Market St, 24Th Floor West Tower
Philadelphia, PA 191022100

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Pennsylvania #OS005931L

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134161938. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
468
Distinct HCPCS
2
Medicare allowed
$24,678
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 453 51 $52
99238 Hospital discharge day management, 30 minutes or less 15 14 $84

In context: peer comparison

Among 90 peers in this city , average services per provider: 143. This provider delivers 3.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$261
Transactions
10
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 4 $99.78
Janssen Pharmaceuticals, Inc 2 $68.95
Alkermes, Inc. 2 $47.61
Neurocrine Biosciences, Inc. 1 $24.01
Teva Pharmaceuticals USA, Inc. 1 $20.74

By nature of payment

Food and Beverage
$261

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
192
Patients
86
Total drug cost
$3,049
Drug Type Claims Patients Total cost
Haloperidol Generic 39 20 $1,171
Divalproex Sodium Generic 36 21 $555
Atorvastatin Calcium Generic 27 17 $108
Risperidone Generic 21 17 $187
Olanzapine Generic 20 0 $409
Famotidine Generic 14 0 $33
Quetiapine Fumarate Generic 13 11 $520
Levothyroxine Sodium Generic 11 0 $46
Metformin Hcl Generic 11 0 $21

Frequently asked questions

Auto-generated from federal data
What is Dr. Silvia Gratz's medical specialty?
Dr. Silvia Gratz practices Psychiatry Physician in Philadelphia, PA.
Where does Dr. Silvia Gratz practice?
Dr. Silvia Gratz practices at 4641 Roosevelt Blvd, Philadelphia, PA 191242343. Office phone: 2158314811.
What is Dr. Silvia Gratz's NPI?
Dr. Silvia Gratz's National Provider Identifier (NPI) is 1134161938, issued by NPPES.
Does Dr. Silvia Gratz accept Medicare assignment?
Yes. Dr. Silvia Gratz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Silvia Gratz commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.