Doctor profile · Federal record

Dr. Ritu Grewal, MD

Sleep Medicine (Internal Medicine) Physician (CMS: Pulmonary Disease) · Specialist · Critical Care Medicine (Internal Medicine) Physician · Pulmonary Disease Physician · Philadelphia, PA

  • NPI 1568489334
  • Accepts Medicare
  • 42 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
211 S 9Th St, Suite 500
Philadelphia, PA 191076810
(215) 955-6175
fax (215) 955-9783
Additional location
3 Crescent Dr
Philadelphia, PA 191121016
(215) 503-3300
fax (215) 503-3321
Additional location
700 Walnut St Fl 2
Philadelphia, PA 191063505
(215) 503-4779
fax (215) 503-4922
Show 1 more location
Additional location
834 Walnut St Ste 650
Philadelphia, PA 191075109
(215) 955-5161
fax (215) 923-6003

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
December 5, 2018
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207RS0012X — NUCC code
State license (1)
Pennsylvania #MD051129L
Medicaid (2)
PA #001435530 · NJ #8813400

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1568489334. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
568
Distinct HCPCS
5
Medicare allowed
$61,910
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 240 215 $86
99214 Established patient office or other outpatient visit, 30-39 minutes 113 102 $125
99204 New patient office or other outpatient visit, 45-59 minutes 91 91 $167
95810 Sleep study in sleep lab (6 years or older) 81 80 $122
G0399 Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation 43 42 $46

In context: peer comparison

Among 9 peers in this city , average services per provider: 57. This provider delivers 10.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$394
Transactions
5
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
JAZZ PHARMACEUTICALS INC. 3 $362.80
Takeda Pharmaceuticals U.S.A., Inc. 1 $23.78
Harmony Biosciences Llc 1 $7.37

By nature of payment

Food and Beverage
$394

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
103
Patients
0
Total drug cost
$6,952
Drug Type Claims Patients Total cost
Trazodone Hcl Generic 45 0 $340
Modafinil Generic 21 0 $4,690
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 13 0 $537
Armodafinil Generic 13 0 $1,268
Gabapentin Generic 11 0 $118

Frequently asked questions

Auto-generated from federal data
What is Dr. Ritu Grewal's medical specialty?
Dr. Ritu Grewal practices Sleep Medicine (Internal Medicine) Physician in Philadelphia, PA.
Where does Dr. Ritu Grewal practice?
Dr. Ritu Grewal practices at 211 S 9Th St, Philadelphia, PA 191076810. Office phone: 2159556175.
What is Dr. Ritu Grewal's NPI?
Dr. Ritu Grewal's National Provider Identifier (NPI) is 1568489334, issued by NPPES.
Does Dr. Ritu Grewal accept Medicare assignment?
Yes. Dr. Ritu Grewal accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ritu Grewal commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.