Katherine S. Freeman, MD
Gastroenterology Physician · Lake Success, NY
Katherine S. Freeman, MD is a gastroenterology physician with a practice address in Lake Success, New York, and NPI 1770752594, issued on Feb 26, 2008. Check the license (New York 254865-1, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Katherine S. Freeman
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 254865-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 4 Ohio Drive, Lake Success, NY 11042
- Phone
- (516) 775-4545
- Enumerated
- Feb 26, 2008
- Record last updated
- Aug 21, 2024
- Fax
- (516) 775-4646
- Medicare enrollment
- Enrolled (PECOS I20130114000403); accepts Medicare assignment
- Medical or professional school
- Northeastern Ohio University College Of Medicine, 2006
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,797 in New York → Look up another NPI →
Also registered at 4 Ohio Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Steve Rucker, MDNephrology Physician1083712806
Verify Katherine S. Freeman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 254865-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% more Medicare Part D claims than the average gastroenterology physician in 2024
1,030 Medicare Part D claims for 264 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Pantoprazole Sodium490 claims
- Famotidine130 claims
- Omeprazole43 claims
- Dexlansoprazole Dr40 claims
- Linzess40 claims
- Amitriptyline Hcl35 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $425.37
17 payments; by number, the most common kind was food and beverage; the largest payer was Laborie Medical Technologies Corp. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Chs Physician Partners PCNew Hyde Park, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine S. Freeman among 1,797 gastroenterology physician records in New York
Katherine S. Freeman, MD is one of 1,797 gastroenterology physician records with a practice address in New York. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 62% of them.
- NPI issued2008 · 62% of these records are older, 31% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2006 · median 1999 among the 1,378 with a school on file
- Record last updated2024 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 gastroenterology physician records list a practice address in Lake Success
They are 4 of the 193 NPPES records with a practice address in Lake Success, and 1,797 gastroenterology physician records in New York.
All 1,797 in New York → Every provider in Lake Success → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Gregory Ackert, M.D.New Hyde Park, NY 110421417991803
- Allen Ahdoot, M.D.New Hyde Park, NY 110421053364323
- Paul Berg, MDNew Hyde Park, NY 110421003870429
- Jeffrey Berger, M.D.New Hyde Park, NY 110421174526941
- Eugene Bonapace, M.D.New Hyde Park, NY 110421053316505
- Anthony Celifarco, M.D.New Hyde Park, NY 110421205839305
- Robert Gal, MDNew Hyde Park, NY 110421356396675
- Lev Ginzburg, M.D.New Hyde Park, NY 110421528086212
Common questions
What is Katherine S. Freeman, MD's NPI number?
Katherine S. Freeman, MD's National Provider Identifier (NPI) is 1770752594, issued on Feb 26, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Katherine S. Freeman, MD located?
The NPPES record lists a practice address at 4 Ohio Drive, Lake Success, NY, 11042. Phone: (516) 775-4545. Providers update this record themselves, so call before visiting.
How can I verify Katherine S. Freeman, MD's license?
NPPES lists New York license number 254865-1, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Katherine S. Freeman, MD prescribe under Medicare Part D?
In 2024, Katherine S. Freeman, MD had 1,030 Medicare Part D claims for 264 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.