Doctor profile · Federal record

Dr. Sara El Gassim

Internal Medicine Physician (CMS: Hospitalist) · Internal Medicine Physician · Cortlandt Manor, NY

  • NPI 1508285214
  • Accepts Medicare
  • 17 yrs in practice
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 5 locations .

NPPES Updated May 11, 2026
Primary practice
1980 Crompond RD
Cortlandt Manor, NY 105674144
(914) 788-4635
Additional location
1301 S Crismon RD
Mesa, AZ 852093767
(713) 517-2495
Additional location
9590 E Ironwood Square Dr
Scottsdale, AZ 852584581
(713) 517-2495
Show 2 more locations
Additional location
1300 Roanoke Ave
Riverhead, NY 119012031
(631) 548-6000
Additional location
7901 Broadway
Elmhurst, NY 113731329
(718) 334-2490
Mailing address
1936 62Nd St Fl 2
Brooklyn, NY 112043027

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
August 29, 2023
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
New York #301831 · Arizona #54897

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508285214. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
428
Distinct HCPCS
5
Medicare allowed
$61,909
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 147 145 $199
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 134 87 $91
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 77 65 $136
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 45 44 $150
99239 Hospital discharge day management, more than 30 minutes 25 25 $132

In context: peer comparison

Among 6 peers in this city , average services per provider: 92. This provider delivers 4.7× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Sara El Gassim's medical specialty?
Dr. Sara El Gassim practices Internal Medicine Physician in Cortlandt Manor, NY.
Where does Dr. Sara El Gassim practice?
Dr. Sara El Gassim practices at 1980 Crompond RD, Cortlandt Manor, NY 105674144. Office phone: 9147884635.
What is Dr. Sara El Gassim's NPI?
Dr. Sara El Gassim's National Provider Identifier (NPI) is 1508285214, issued by NPPES.
Does Dr. Sara El Gassim accept Medicare assignment?
Yes. Dr. Sara El Gassim accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sara El Gassim commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.