NPPES file of Aug 9, 2026

Katherine Atienza Orellana, DO

Pediatric Gastroenterology Physician · Hackensack, NJ

Katherine Atienza Orellana, DO is a pediatric gastroenterology physician with a practice address in Hackensack, New Jersey, and NPI 1265643068, issued on May 24, 2007. Check the license (New Jersey 25MB08263800, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1265643068
Name
Katherine Atienza Orellana
Credential
DO
Primary taxonomy
Pediatric Gastroenterology Physician 2080P0206X
License numbers
25MB08263800 NJ
245599 NY
Self-reported in NPPES; status is on the state search
Practice location
155 Polifly RD Ste 102, Hackensack, NJ 07601
Phone
(551) 996-8840
Enumerated
May 24, 2007
Record last updated
Jun 13, 2024
Medicare enrollment
Enrolled (PECOS I20071102000002); accepts Medicare assignment
Medical or professional school
Rowan University School Of Osteopathic Medicine, 2004
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 155 Polifly RD Ste 102

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

  1. Melissa LeyvaPediatric Gastroenterology Physician1689734055
  2. Manesi Mendez, CPNP, RN, BSNNurse Practitioner1730531088
  3. Eliana Shaul, MDPediatric Gastroenterology Physician1346604147

Verify Katherine Atienza Orellana 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 25MB08263800
    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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The practice group's MIPS final score for 2023 (Medicare payment program): 85.4 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score76.5
  2. Costout of 100 · 30%60.9
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $203.63

5 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 1,184 providers of this specialty with any payment received $2,585.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katherine Orellana$203.63
  2. Specialty average$2,585.05

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Hackensack Meridian Health Medical Group - Complex Care PCPerth Amboy, NJ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Pediatric Gastroenterology Physician providers in New Jersey

There are 67 pediatric gastroenterology physician records in New Jersey.

Other pediatric gastroenterology physician records in New Jersey

  1. Ashwin Agrawal, D.O.Eatontown, NJ1346602125
  2. Marcos AlfieNeptune, NJ1285691634
  3. Rami Arrouk, M.DMorristown, NJ1003071242
  4. Jay Barth, M.D.Teaneck, NJ1851537146
  5. Rheu Cristine Candava, MDMorristown, NJ1750766028
  6. Kristin Capone, M.D.New Brunswick, NJ1053608836
  7. Yen Ping Chen, MDNew Brunswick, NJ1962582791
  8. Denesh Chitkara, MDMorristown, NJ1619996816
  9. Lauren Dankner, MDParamus, NJ1881011047
  10. Ivan Darenkov, M.D.Wayne, NJ1710172853

Common questions

What is Katherine Atienza Orellana, DO's NPI number?

Katherine Atienza Orellana, DO's National Provider Identifier (NPI) is 1265643068, issued on May 24, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Atienza Orellana, DO located?

The NPPES record lists a practice address at 155 Polifly RD Ste 102, Hackensack, NJ, 07601. Phone: (551) 996-8840. Providers update this record themselves, so call before visiting.

How can I verify Katherine Atienza Orellana, DO's license?

NPPES lists New Jersey license number 25MB08263800, 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.

What is Katherine Atienza Orellana, DO's MIPS final score?

The 2023 MIPS final score is 85.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.