NPPES file of Aug 9, 2026

Gloria Lan

Gastroenterology Physician · Berkeley Heights, NJ

Gloria Lan is a gastroenterology physician with a practice address in Berkeley Heights, New Jersey, and NPI 1851653158, issued on Jun 12, 2012. Check the license (New Jersey 25MA11364200, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1851653158
Name
Gloria Lan
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
25MA11364200 NJ
277490 NY
Self-reported in NPPES; status is on the state search
Practice location
1 Diamond Hill RD, Berkeley Heights, NJ 07922
Phone
(908) 273-4300
Enumerated
Jun 12, 2012
Record last updated
Apr 25, 2022
Medicare enrollment
Enrolled (PECOS I20220506001549); accepts Medicare assignment
Medical or professional school
Northwestern University Feinberg Medical School, 2012
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1 Diamond Hill RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Farshad Abir, M.D.Colon & Rectal Surgery Physician1871542662
  2. Pouja Ahuja, D.O.Family Medicine Physician1306273669
  3. Werda Alam, MDAnesthesiology Physician1114546355
  4. Emad Alatassi, MDHospitalist Physician1912585027
  5. Rea Allarey, MSW, LCSWClinical Social Worker1033644778
  6. Caleb Allen, PA-CSurgical Physician Assistant1194699389

Verify Gloria Lan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
    Search for license 25MA11364200
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New Jersey license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

5% more Medicare Part D claims than the average gastroenterology physician in 2024

848 Medicare Part D claims for 295 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.

  1. Gloria Lan848
  2. Specialty average811

Most prescribed

  1. Pantoprazole Sodium238 claims
  2. Omeprazole127 claims
  3. Sod Sulf-Potass Sulf-Mag Sulf90 claims
  4. Famotidine73 claims
  5. Creon33 claims
  6. Dicyclomine Hcl33 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: $106.54

6 payments; by number, the most common kind was food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC. 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.

  1. Gloria Lan$106.54
  2. Specialty average$5,015.95

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

  1. Summit Medical Group PABerkeley Heights, NJ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gloria Lan among 735 gastroenterology physician records in New Jersey

Gloria Lan is one of 735 gastroenterology physician records with a practice address in New Jersey. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 78% of them.

  • NPI issued2012 · 78% of these records are older, 20% newer
  • In a Medicare fileYes · 89% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated2012 · median 2000 among the 564 with a school on file
  • Record last updated2022 · 54% 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 Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

10 gastroenterology physician records list a practice address in Berkeley Heights

They are 10 of the 672 NPPES records with a practice address in Berkeley Heights, and 735 gastroenterology physician records in New Jersey.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Adam Barrison, MDBerkeley Heights, NJ 079221669473328
  2. Joseph Belladonna, MDBerkeley Heights, NJ 079221871594937
  3. Tamir Ben Menachem, MDBerkeley Heights, NJ 079221538246509
  4. William BrownBerkeley Heights, NJ 079221821012196
  5. James Gillin, MDBerkeley Heights, NJ 079221639167000
  6. Roger Klein, M.D.Berkeley Heights, NJ 079221295756708
  7. Hazar Michael, MDBerkeley Heights, NJ 079221144392242
  8. Jeffrey Okun, M.D.Berkeley Heights, NJ 079221063730794

Common questions

What is Gloria Lan's NPI number?

Gloria Lan's National Provider Identifier (NPI) is 1851653158, issued on Jun 12, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Gloria Lan located?

The NPPES record lists a practice address at 1 Diamond Hill RD, Berkeley Heights, NJ, 07922. Phone: (908) 273-4300. Providers update this record themselves, so call before visiting.

How can I verify Gloria Lan's license?

NPPES lists New Jersey license number 25MA11364200, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gloria Lan prescribe under Medicare Part D?

In 2024, Gloria Lan had 848 Medicare Part D claims for 295 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.