Ling Lan
Internal Medicine Physician · Warren, NJ
Ling Lan is an internal medicine physician with a practice address in Warren, New Jersey, and NPI 1851895544, issued on Mar 19, 2018. Check the license (New Jersey 25MA11470400, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Ling Lan
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 25MA11470400 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 60-68 Mountain Boulevard, Warren, NJ 07059
- Phone
- (908) 273-4300
- Enumerated
- Mar 19, 2018
- Record last updated
- Sep 28, 2022
- Medicare enrollment
- Enrolled (PECOS I20221012001452); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,632 in New Jersey → Look up another NPI →
Verify Ling Lan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MA11470400Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,373 Medicare Part D claims for 222 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Atorvastatin Calcium157 claims
- Losartan Potassium101 claims
- Amlodipine Besylate96 claims
- Levothyroxine Sodium70 claims
- Rosuvastatin Calcium62 claims
- Metformin Hcl Er56 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: $106.43
1 payment: food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- 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).
Ling Lan among 4,632 internal medicine physician records in New Jersey
Ling Lan is one of 4,632 internal medicine physician records with a practice address in New Jersey. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 84% of them.
- NPI issued2018 · 84% of these records are older, 14% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2004 · median 2000 among the 3,132 with a school on file
- Record last updated2022 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
27 internal medicine physician records list a practice address in Warren
They are 27 of the 391 NPPES records with a practice address in Warren, and 4,632 internal medicine physician records in New Jersey.
All 4,632 in New Jersey → Every provider in Warren → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Vinod Abraham, MDWarren, NJ 070591992793418
- Poonam Alaigh, MDWarren, NJ 070591326142860
- Douglas Ashinsky, MDWarren, NJ 070591932175361
- Stephen Bobella, M.D.Warren, NJ 070591992807556
- Lisa Brodkin, M.D.Warren, NJ 070591972561926
- Maurice Ferrante, M.D.Warren, NJ 070591437154192
- Thomas Kloos, MDWarren, NJ 070591295833556
- Richard Lesko, MDWarren, NJ 070591609865955
Common questions
What is Ling Lan's NPI number?
Ling Lan's National Provider Identifier (NPI) is 1851895544, issued on Mar 19, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Ling Lan located?
The NPPES record lists a practice address at 60-68 Mountain Boulevard, Warren, NJ, 07059. Phone: (908) 273-4300. Providers update this record themselves, so call before visiting.
How can I verify Ling Lan's license?
NPPES lists New Jersey license number 25MA11470400, 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 Ling Lan prescribe under Medicare Part D?
In 2024, Ling Lan had 1,373 Medicare Part D claims for 222 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.