NPPES file of Aug 9, 2026

David L. Blecker, MD

Nephrology Physician · Northfield, NJ

David L. Blecker, MD is a nephrology physician with a practice address in Northfield, New Jersey, and NPI 1245249473, issued on Aug 5, 2006. Check the license (New Jersey MA 34493, 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
1245249473
Name
David L. Blecker
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License number
MA 34493 NJ
Self-reported in NPPES; status is on the state search
Practice location
510 Jackson Ave, Northfield, NJ 08225
Phone
(609) 303-0200
Enumerated
Aug 5, 2006
Record last updated
Feb 28, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(609) 383-8352
Medicaid ID
3787508 NJ
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 510 Jackson Ave

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

  1. Nitin Behl, M.D.Nephrology Physician1235423807
  2. Jessica Bonner, APNAdult Health Nurse Practitioner1588053326
  3. Lacey CarlsonFamily Nurse Practitioner1710362520
  4. Amelia FascianoAdult Health Nurse Practitioner1083189054
  5. Sandra Hartman, RN MSN APNNephrology Physician1255340485
  6. Yashika Jani, APNNurse Practitioner1164254645

Verify David L. Blecker 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 MA 34493
    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

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99% fewer Medicare Part D claims than the average nephrology physician in 2024

19 Medicare Part D claims, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. David Blecker19
  2. Specialty average1,465

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.

David L. Blecker among 433 nephrology physician records in New Jersey

David L. Blecker, MD is one of 433 nephrology physician records with a practice address in New Jersey. 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 2006, is newer than 13% of them.

  • NPI issued2006 · 13% of these records are older, 46% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileNo · 78% of these records are
  • Record last updated2011 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

9 nephrology physician records list a practice address in Northfield

They are 9 of the 343 NPPES records with a practice address in Northfield, and 433 nephrology physician records in New Jersey.

The 8 nephrology physician records with the nearest ZIP codes

  1. Nitin Behl, M.D.Northfield, NJ 082251235423807
  2. Sandra Hartman, RN MSN APNNorthfield, NJ 082251255340485
  3. Howard Karp, DONorthfield, NJ 082251619986841
  4. Robert Mathews, MDNorthfield, NJ 082251902060221
  5. Jay Shastri, DONorthfield, NJ 082251477758720
  6. Amanda Srinivasan, PA-CNorthfield, NJ 082251073194171
  7. Pryiesh Thakkar, DO MBANorthfield, NJ 082251689683815
  8. Raymond Schreyer, MDNorthfield, NJ 082281518976745

Common questions

What is David L. Blecker, MD's NPI number?

David L. Blecker, MD's National Provider Identifier (NPI) is 1245249473, issued on Aug 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David L. Blecker, MD located?

The NPPES record lists a practice address at 510 Jackson Ave, Northfield, NJ, 08225. Phone: (609) 303-0200. Providers update this record themselves, so call before visiting.

How can I verify David L. Blecker, MD's license?

NPPES lists New Jersey license number MA 34493, 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 David L. Blecker, MD prescribe under Medicare Part D?

In 2024, David L. Blecker, MD had 19 Medicare Part D claims; the average among nephrology physician prescribers was 1,465. 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.