Nilanjan Haldar, MD
Internal Medicine Physician · West Reading, PA
Nilanjan Haldar, MD is an internal medicine physician with a practice address in West Reading, Pennsylvania, and NPI 1164096269, issued on May 14, 2021. Check the license (Pennsylvania MT222932, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Nilanjan Haldar
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MT222932 PA
Self-reported in NPPES; status is on the state search - Practice location
- 420 S 5TH Ave, West Reading, PA 19611
- Phone
- (484) 628-8000
- Enumerated
- May 14, 2021
- Record last updated
- Jul 6, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 420 S 5TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nilanjan Haldar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MT222932Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
17 Medicare Part D claims for 13 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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: $855.65
12 payments; by number, the most common kind was food and beverage; the largest payer was Novocure 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.
Nilanjan Haldar among 7,300 internal medicine physician records in Pennsylvania
Nilanjan Haldar, MD is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 81% of them.
- NPI issued2021 · 81% of these records are older, 15% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2021 · 56% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
111 internal medicine physician records list a practice address in West Reading
They are 111 of the 1,123 NPPES records with a practice address in West Reading, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in West Reading → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Walter Bohnenblust, M.D.West Reading, PA 196111053316968
- Craig Derr, M.D.W Reading, PA 196111912902578
- Anthony Donato, M.D.West Reading, PA 196111306849815
- Deepam Gokal, M.D.Reading, PA 196111902861842
- Ian Goonewardene, M.D.West Reading, PA 196111679522676
- Patrick Hart, M.D.West Reading, PA 196111245237585
- George Jenckes, M.D.West Reading, PA 196111437115615
- Sheryl Jones-Henderson, M.D.West Reading, PA 196111386605020
Common questions
What is Nilanjan Haldar, MD's NPI number?
Nilanjan Haldar, MD's National Provider Identifier (NPI) is 1164096269, issued on May 14, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Nilanjan Haldar, MD located?
The NPPES record lists a practice address at 420 S 5TH Ave, West Reading, PA, 19611. Phone: (484) 628-8000. Providers update this record themselves, so call before visiting.
How can I verify Nilanjan Haldar, MD's license?
NPPES lists Pennsylvania license number MT222932, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nilanjan Haldar, MD prescribe under Medicare Part D?
In 2024, Nilanjan Haldar, MD had 17 Medicare Part D claims for 13 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.