William J. Hartko, MD
Obstetrics & Gynecology Physician · Kendall Park, NJ
William J. Hartko, MD is an obstetrics & gynecology physician with a practice address in Kendall Park, New Jersey, and NPI 1538273974, issued on Aug 19, 2006. Check the license (New Jersey 25MA03401000, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William J. Hartko
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 25MA03401000 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 327 Route 27, Kendall Park, NJ 08824
- Phone
- (732) 422-8989
- Enumerated
- Aug 19, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,362 in New Jersey → Look up another NPI →
Verify William J. Hartko 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 25MA03401000Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
William J. Hartko among 1,362 obstetrics & gynecology physician records in New Jersey
William J. Hartko, MD is one of 1,362 obstetrics & gynecology physician records with a practice address in New Jersey. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 49% newer
- In a Medicare fileNo · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2007 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 obstetrics & gynecology physician records list a practice address in Kendall Park
They are 11 of the 179 NPPES records with a practice address in Kendall Park, and 1,362 obstetrics & gynecology physician records in New Jersey. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,362 in New Jersey → Every provider in Kendall Park → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Ronnie Bochner, M.D.Kendall Park, NJ 088241689692782
- Michelle Caban, M.D.Kendall Park, NJ 088241184956286
- Bhavana Daruvuri, D.OKendall Park, NJ 088241073772943
- Antoinette Ham, MDKendall Park, NJ 088241245343821
- Eugene Kim, M.D.Kendall Park, NJ 088241174963672
- John Lundberg, MDKendall Park, NJ 088241619988169
- Shivani Patel, DOKendall Park, NJ 088241194286021
- Robert Rathauser, MDKendall Park, NJ 088241538178330
Common questions
What is William J. Hartko, MD's NPI number?
William J. Hartko, MD's National Provider Identifier (NPI) is 1538273974, issued on Aug 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William J. Hartko, MD located?
The NPPES record lists a practice address at 327 Route 27, Kendall Park, NJ, 08824. Phone: (732) 422-8989. Providers update this record themselves, so call before visiting.
How can I verify William J. Hartko, MD's license?
NPPES lists New Jersey license number 25MA03401000, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.