NPPES file of Aug 9, 2026

Alan Merrill Dietzek, M.D.

Vascular Surgery Physician · Neptune, NJ

Alan Merrill Dietzek, M.D. is a vascular surgery physician with a practice address in Neptune, New Jersey, and NPI 1134160435, issued on Jun 9, 2006. Check the license (New Jersey 25MA09413600, 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
1134160435
Name
Alan Merrill Dietzek
Credential
M.D.
Primary taxonomy
Vascular Surgery Physician 2086S0129X
License numbers
25MA09413600 NJ
038845 CT
Self-reported in NPPES; status is on the state search
Practice location
19 Davis Ave FL 4, Neptune, NJ 07753
Phone
(732) 212-6598
Enumerated
Jun 9, 2006
Record last updated
Jun 16, 2025
Fax
(732) 922-2026
Medicaid ID
1388455 CT
Medicare enrollment
Enrolled (PECOS I20241122001541); accepts Medicare assignment
Medical or professional school
Loyola University Of Chicago, Stritch School Of Medicine, 1983
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 19 Davis Ave FL 4

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

  1. Arun Antony, MDNeurology Physician1386899235
  2. Shannon CampbellPhysician Assistant1568081248
  3. Deborah Caputo, APRN, BCFamily Nurse Practitioner1013105634
  4. Morgan D'AlessioPhysician Assistant1952037004
  5. Stacey Harr, PA-CPhysician Assistant1255621074
  6. Mark Kayton, MDPediatric Surgery Physician1790760577

Verify Alan Merrill Dietzek 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 25MA09413600
    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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60% fewer Medicare Part D claims than the average vascular surgery physician in 2024

80 Medicare Part D claims for 23 beneficiaries, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. Alan Dietzek80
  2. Specialty average201

Most prescribed

  1. Cilostazol38 claims
  2. Clopidogrel23 claims
  3. Xarelto13 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 MIPS final score for 2023 (Medicare payment program): 94.2 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score78.3
  2. Costnot scored (reweighted)
  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; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $3,266.20

37 payments; by number, the most common kind was food and beverage; the largest payer was Bard Peripheral Vascular, Inc. The 4,059 providers of this specialty with any payment received $6,178.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Alan Dietzek$3,266.20
  2. Specialty average$6,178.00

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 - Specialty Care PCNeptune, NJ

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

Alan Merrill Dietzek among 191 vascular surgery physician records in New Jersey

Alan Merrill Dietzek, M.D. is one of 191 vascular surgery physician records with a practice address in New Jersey. 85% 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 9% of them.

  • NPI issued2006 · 9% of these records are older, 51% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 79% of these records are
  • Graduated1983 · median 1999 among the 150 with a school on file
  • Record last updated2025 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0129X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Vascular Surgery Physician providers in New Jersey

There are 191 vascular surgery physician records in New Jersey.

The 8 vascular surgery physician records with the nearest ZIP codes

  1. Thomas Kania, MDNeptune City, NJ 077531629573118
  2. Habib Khan, M.D.Neptune, NJ 077531437393063
  3. Mohammad Nasir Khan, MBBSNeptune, NJ 077531619102662
  4. Nicholas Russo, M.DNeptune City, NJ 077531679005649
  5. Matthew Samra, D.ONeptune City, NJ 077531225171382
  6. Thomas Heleotis, MDLong Branch, NJ 077401437357035
  7. Mark Lehman, MDFreehold, NJ 077281073567897
  8. Owano Pennycooke, MDFreehold, NJ 077281013150267

Common questions

What is Alan Merrill Dietzek, M.D.'s NPI number?

Alan Merrill Dietzek, M.D.'s National Provider Identifier (NPI) is 1134160435, issued on Jun 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Alan Merrill Dietzek, M.D. located?

The NPPES record lists a practice address at 19 Davis Ave FL 4, Neptune, NJ, 07753. Phone: (732) 212-6598. Providers update this record themselves, so call before visiting.

How can I verify Alan Merrill Dietzek, M.D.'s license?

NPPES lists New Jersey license number 25MA09413600, 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 Alan Merrill Dietzek, M.D. prescribe under Medicare Part D?

In 2024, Alan Merrill Dietzek, M.D. had 80 Medicare Part D claims for 23 beneficiaries; the average among vascular surgery physician prescribers was 201. Part D covers Medicare prescriptions only.

What is Alan Merrill Dietzek, M.D.'s MIPS final score?

The 2023 MIPS final score is 94.2 of 100. 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.