NPPES file of Aug 9, 2026

Alison Greidinger

Hematology & Oncology Physician · Voorhees, NJ

Alison Greidinger is a hematology & oncology physician with a practice address in Voorhees, New Jersey, and NPI 1356876791, issued on Apr 24, 2017. Check the license (New Jersey 25MA11443900, 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
1356876791
Name
Alison Greidinger
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
25MA11443900 NJ
Self-reported in NPPES; status is on the state search
Practice location
900 Centennial Blvd Bldg 1, Voorhees, NJ 08043
Phone
(856) 632-2667
Enumerated
Apr 24, 2017
Record last updated
Aug 27, 2023
Fax
(856) 735-6478
Medicare enrollment
Enrolled (PECOS I20230814003749); accepts Medicare assignment
Medical or professional school
Drexel University College Of Medicine, 2017
Telehealth
Offers telehealth (CMS)
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 900 Centennial Blvd Bldg 1

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

  1. Michael Brister, M.D.Hematology & Oncology Physician1295260834
  2. Ronak Gor, D.O.Urology Physician1558657924
  3. Rebecca Jaslow, MDHematology & Oncology Physician1992774996
  4. Anil Rengan, MDHematology & Oncology Physician1184153496
  5. Michael Salacz, MDMedical Oncology Physician1235178872
  6. Christian Squillante, MDHematology & Oncology Physician1720212467

Verify Alison Greidinger 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 25MA11443900
    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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82% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

159 Medicare Part D claims for 44 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Alison Greidinger159
  2. Specialty average877

Most prescribed

  1. Letrozole53 claims
  2. Exemestane34 claims
  3. Ondansetron Odt11 claims

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.

The practice group's MIPS final score for 2023 (Medicare payment program): 81.7 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 score73.1
  2. Costout of 100 · 30%55.4
  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).

Bills Medicare through one group practice

  1. Cmc Department OF Medicine Group PAWillingboro, NJ

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

Alison Greidinger among 399 hematology & oncology physician records in New Jersey

Alison Greidinger is one of 399 hematology & oncology physician records with a practice address in New Jersey. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 88% of them.

  • NPI issued2017 · 88% of these records are older, 8% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2017 · median 2002 among the 294 with a school on file
  • Record last updated2023 · 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 207RH0003X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in New Jersey

There are 399 hematology & oncology physician records in New Jersey.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Michael Brister, M.D.Voorhees, NJ 080431295260834
  2. Christina Brus, MDVoorhees, NJ 080431265641120
  3. Richard Greenberg, MDVoorhees, NJ 080431902803349
  4. Alexandre Hageboutros, MDVoorhees, NJ 080431598874042
  5. Rebecca Jaslow, MDVoorhees, NJ 080431992774996
  6. Kumar Rajagopalan, MDVoorhees, NJ 080431023108321
  7. Anil Rengan, MDVoorhees, NJ 080431184153496
  8. Christian Squillante, MDVoorhees, NJ 080431720212467

Common questions

What is Alison Greidinger's NPI number?

Alison Greidinger's National Provider Identifier (NPI) is 1356876791, issued on Apr 24, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Alison Greidinger located?

The NPPES record lists a practice address at 900 Centennial Blvd Bldg 1, Voorhees, NJ, 08043. Phone: (856) 632-2667. Providers update this record themselves, so call before visiting.

How can I verify Alison Greidinger's license?

NPPES lists New Jersey license number 25MA11443900, 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 Alison Greidinger prescribe under Medicare Part D?

In 2024, Alison Greidinger had 159 Medicare Part D claims for 44 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

What is Alison Greidinger's MIPS final score?

The 2023 MIPS final score is 81.7 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.