NPPES file of Aug 9, 2026

Ashby Abraham Mammen, MD

Psychiatry Physician · Voorhees, NJ

Ashby Abraham Mammen, MD is a psychiatry physician with a practice address in Voorhees, New Jersey, and NPI 1174184097, issued on Jun 21, 2019. Check the license (New Jersey 25MA12265600, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1174184097
Name
Ashby Abraham Mammen
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License numbers
25MA12265600 NJ
MT217786 PA
Self-reported in NPPES; status is on the state search
Practice location
1605 E Evesham RD Ste 200A, Voorhees, NJ 08043
Phone
(856) 355-7118
Enumerated
Jun 21, 2019
Record last updated
May 12, 2026
Fax
(856) 355-7116
Medicare enrollment
Enrolled (PECOS I20240924003597); accepts Medicare assignment
Medical or professional school
Drexel University College Of Medicine, 2015
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 1605 E Evesham RD Ste 200A

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

  1. Kerry Echavarria, NPPsychiatric/Mental Health Nurse Practitioner1659890325
  2. Frederick Heuser, LCSWClinical Social Worker1255996435
  3. Dipal WilloughbyClinical Social Worker1144772047

Verify Ashby Abraham Mammen 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 25MA12265600
    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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96% fewer Medicare Part D claims than the average psychiatry physician in 2024

44 Medicare Part D claims for 13 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.

  1. Ashby Mammen44
  2. Specialty average1,000

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.

Industry payments in 2024: $31.57

2 payments; by number, the most common kind was food and beverage; the largest payer was Braeburn Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ashby Mammen$31.57
  2. Specialty average$4,954.93

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. Virtua Medical Group, PAMount Holly, NJ

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

Ashby Abraham Mammen among 1,520 psychiatry physician records in New Jersey

Ashby Abraham Mammen, MD is one of 1,520 psychiatry physician records with a practice address in New Jersey. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 88% of them.

  • NPI issued2019 · 88% of these records are older, 9% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 46% of these records are
  • Graduated2015 · median 2001 among the 697 with a school on file
  • Record last updated2026 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in New Jersey

There are 1,520 psychiatry physician records in New Jersey.

The 8 psychiatry physician records with the nearest ZIP codes

  1. John Case, MDVoorhees, NJ 080431588756811
  2. Edwin Castillo, MDVoorhees, NJ 080431598979155
  3. Karen Jordan, M.D., PH.D.Voorhees, NJ 080431760691257
  4. Kinnari Kothari, M.D.Voorhees, NJ 080431659439644
  5. John Mazzochette, M.D.Voorhees, NJ 080431972668358
  6. Jose Nogueira, M.D.Voorhees, NJ 080431326264300
  7. Laura Novak, M.D., PH.D.Voorhees, NJ 080431164666012
  8. John O Reardon, MDVoorhees, NJ 080431336171776

Common questions

What is Ashby Abraham Mammen, MD's NPI number?

Ashby Abraham Mammen, MD's National Provider Identifier (NPI) is 1174184097, issued on Jun 21, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Ashby Abraham Mammen, MD located?

The NPPES record lists a practice address at 1605 E Evesham RD Ste 200A, Voorhees, NJ, 08043. Phone: (856) 355-7118. Providers update this record themselves, so call before visiting.

How can I verify Ashby Abraham Mammen, MD's license?

NPPES lists New Jersey license number 25MA12265600, 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 Ashby Abraham Mammen, MD prescribe under Medicare Part D?

In 2024, Ashby Abraham Mammen, MD had 44 Medicare Part D claims for 13 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.

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.