John Samuel Laldin, M.D.
Internal Medicine Physician · Watertown, NY
John Samuel Laldin, M.D. is an internal medicine physician with a practice address in Watertown, New York, and NPI 1467766352, issued on Aug 3, 2010. Check the license (New York 271121, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- John Samuel Laldin
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 271121 NY
ME115269 FL
73711 GA
Self-reported in NPPES; status is on the state search - Practice location
- 830 Washington St, Watertown, NY 13601
- Phone
- (917) 691-8906
- Enumerated
- Aug 3, 2010
- Record last updated
- Sep 7, 2022
- Medicare enrollment
- Enrolled (PECOS I20131007000110); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 830 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rafeeque Ahmad, MDFamily Medicine Physician1891689733
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- John Arber, MDEmergency Medicine Physician1497779433
Verify John Samuel Laldin 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 271121Check 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
26 Medicare Part D claims for 16 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: $19.67
1 payment: food and beverage; the largest payer was Abbvie 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.
3 hospitals and group practices
- Mercy Hospital OF BuffaloBuffalo, NY · Acute Care Hospitals2 of 5 stars
- Samaritan Medical CenterWatertown, NY · Acute Care Hospitals2 of 5 stars
- Apogee Medical Group, New York, PCWatertown, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
John Samuel Laldin among 12,067 internal medicine physician records in New York
John Samuel Laldin, M.D. is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 63% of them.
- NPI issued2010 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2009 · median 2002 among the 7,221 with a school on file
- Record last updated2022 · 61% 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 York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 internal medicine physician records list a practice address in Watertown
They are 16 of the 1,380 NPPES records with a practice address in Watertown, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Watertown → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Laura Boggs, DOWatertown, NY 136011013105949
- Beth Ann Jayne, MDWatertown, NY 136011871607184
- Collins Kellogg, MDWatertown, NY 136011225031255
- Christopher Kellogg, DOWatertown, NY 136011598260119
- Julie Lapointe, MDWatertown, NY 136011265435234
- Nilar Myint, M.DWatertown, NY 136011790225738
- Shripad Pande, MDWatertown, NY 136011043575897
- Vijesh Patel, MDWatertown, NY 136011265872352
Common questions
What is John Samuel Laldin, M.D.'s NPI number?
John Samuel Laldin, M.D.'s National Provider Identifier (NPI) is 1467766352, issued on Aug 3, 2010. An NPI identifies a provider in billing; it is not a license.
Where is John Samuel Laldin, M.D. located?
The NPPES record lists a practice address at 830 Washington St, Watertown, NY, 13601. Phone: (917) 691-8906. Providers update this record themselves, so call before visiting.
How can I verify John Samuel Laldin, M.D.'s license?
NPPES lists New York license number 271121, 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 John Samuel Laldin, M.D. prescribe under Medicare Part D?
In 2024, John Samuel Laldin, M.D. had 26 Medicare Part D claims for 16 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.