Doctor profile · Federal record

Dr. Katherine Freeman, MD

Gastroenterology Physician (CMS: Gastroenterology) · Lake Success, NY

  • NPI 1770752594
  • Accepts Medicare
  • 20 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4 Ohio Drive, Suite 200
Lake Success, NY 11042
(516) 775-4545
fax (516) 775-4646
Additional location
2525 W University Ave Ste 300
Muncie, IN 473033432
(765) 289-5408
fax (765) 254-3582

Credentials & registration

NPPES · NUCC
NPI registered
February 2008 — 18 yrs on file
Profile last updated
August 21, 2024
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
New York #254865-1

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770752594. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
879
Distinct HCPCS
10
Medicare allowed
$177,271
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 166 121 $148
99204 New patient office or other outpatient visit, 45-59 minutes 142 142 $193
45380 Biopsy of large bowel using a flexible endoscope 104 104 $325
99213 Established patient office or other outpatient visit, 20-29 minutes 97 76 $104
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 83 74 $322
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 48 48 $381
99212 Established patient office or other outpatient visit, 10-19 minutes 47 44 $65
36415 Insertion of needle into vein for collection of blood sample 40 36 $8
99203 New patient office or other outpatient visit, 30-44 minutes 40 40 $131
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 26 25 $199

In context: peer comparison

Among 2 peers in Lake Success Gastroenterology Physician, average services per provider: 65. This provider delivers 14× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$425
Transactions
17
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Laborie Medical Technologies Corp. 1 $122.93
Novo Nordisk INC 4 $68.13
CapsoVision, INC. 2 $46.55
Abbvie INC. 3 $45.58
Genzyme Corporation 1 $34.73
Opko Pharmaceuticals, LLC 2 $32.12
Lilly USA, LLC 1 $23.83
Medtronic, INC. 1 $20.59
Philips North America LLC 1 $16.64
Abbott Laboratories 1 $14.27

By nature of payment

Food and Beverage
$425

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
596
Patients
174
Total drug cost
$50,088
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 337 122 $6,587
Famotidine Generic 85 37 $1,382
Omeprazole Generic 50 15 $692
Amitriptyline Hcl Generic 29 0 $565
Mesalamine Generic 19 0 $17,331
Sucralfate Generic 15 0 $1,473
Dexlansoprazole Dr (Dexlansoprazole) Brand 13 0 $10,577
Dicyclomine Hcl Generic 13 0 $239
Linzess (Linaclotide) Brand 13 0 $10,309
Budesonide Dr (Budesonide) Brand 11 0 $709

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Freeman's medical specialty?
Dr. Katherine Freeman practices Gastroenterology Physician in Lake Success, NY.
Where does Dr. Katherine Freeman practice?
Dr. Katherine Freeman practices at 4 Ohio Drive, Lake Success, NY 11042. Office phone: 5167754545.
What is Dr. Katherine Freeman's NPI?
Dr. Katherine Freeman's National Provider Identifier (NPI) is 1770752594, issued by NPPES.
Does Dr. Katherine Freeman accept Medicare assignment?
Yes. Dr. Katherine Freeman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Freeman commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.