NPPES file of Aug 9, 2026

Catherine Guercio-Hauer, MD

Family Medicine Physician · Morristown, NJ

Catherine Guercio-Hauer, MD is a family medicine physician with a practice address in Morristown, New Jersey, and NPI 1083670079, issued on Apr 26, 2006. Check the license (New Jersey 25MA06556200, 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.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1083670079
Name
Catherine Guercio-Hauer
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
25MA06556200 NJ
Self-reported in NPPES; status is on the state search
Practice location
435 South St, Morristown, NJ 07960
Phone
(973) 971-4222
Enumerated
Apr 26, 2006
Record last updated
Apr 1, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(973) 971-4222
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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8 nearest family medicine physician records → All 2,770 in New Jersey → Look up another NPI →

Also registered at 435 South St

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

  1. Darius Adams, M.D.Clinical Genetics (M.D.) Physician1972506749
  2. Elsie AltemaAdult Health Nurse Practitioner1073941274
  3. Nalini Asokan, MDInternal Medicine Physician1235100389
  4. Jessalyn Brower, MSGenetic Counselor (M.S.)1063038008
  5. Maria Carter, RDNRegistered Dietitian1063063808
  6. Jajin Chon, M.D.Endocrinology, Diabetes & Metabolism Physician1346320553

Verify Catherine Guercio-Hauer 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 25MA06556200    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Catherine Guercio-Hauer among 2,770 family medicine physician records in New Jersey

Catherine Guercio-Hauer, MD is one of 2,770 family 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 not. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 55% newer
  • In a Medicare fileNo · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 68% of these records are
  • Record last updated2015 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

50 family medicine physician records list a practice address in Morristown

They are 50 of the 2,942 NPPES records with a practice address in Morristown, and 2,770 family medicine physician records in New Jersey. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,770 in New Jersey → Every provider in Morristown → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Bruce Aronwald, D.O.Morristown, NJ 079601154375467
  2. Andrew Becker, D.O.Morristown, NJ 079601164498606
  3. Kenneth Cartaxo, MDMorristown, NJ 079601083700702
  4. Anthony Cioce, D.O.Morristown, NJ 079601063466357
  5. Thomas Cioce, D.O.Morristown, NJ 079601386780310
  6. Esra Onat, MDMorristown, NJ 079601710912902
  7. Marylin Pierre-Louis, M.D.Morristown, NJ 079601568409274
  8. T. Eric Schackow, M.D., PH.D.Morristown, NJ 079601467435115

Common questions

What is Catherine Guercio-Hauer, MD's NPI number?

Catherine Guercio-Hauer, MD's National Provider Identifier (NPI) is 1083670079, issued on Apr 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Catherine Guercio-Hauer, MD located?

The NPPES record lists a practice address at 435 South St, Morristown, NJ, 07960. Phone: (973) 971-4222. Providers update this record themselves, so call before visiting.

How can I verify Catherine Guercio-Hauer, MD's license?

NPPES lists New Jersey license number 25MA06556200, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.