NPPES file of Aug 9, 2026

Karen Opdyke, M.D.

Psychiatry Physician · Whitehouse Station, NJ

Karen Opdyke, M.D. is a psychiatry physician with a practice address in Whitehouse Station, New Jersey, and NPI 1275805079, issued on Feb 8, 2012. Check the license (New Jersey 25MA07649200, 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
1275805079
Name
Karen Opdyke
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
25MA07649200 NJ
Self-reported in NPPES; status is on the state search
Practice location
152 Oldwick RD, Whitehouse Station, NJ 08889
Phone
(800) 438-3206
Enumerated
Feb 8, 2012
Record last updated
Feb 8, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(866) 935-9166
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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Also registered at 152 Oldwick RD

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

  1. Mikaela KilkerPsychologist1043792849

Verify Karen Opdyke 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 25MA07649200
    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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35% fewer Medicare Part D claims than the average psychiatry physician in 2024

652 Medicare Part D claims for 48 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.

  1. Karen Opdyke652
  2. Specialty average1,000

Most prescribed

  1. Clonazepam81 claims
  2. Escitalopram Oxalate64 claims
  3. Bupropion Xl51 claims
  4. Sertraline Hcl41 claims
  5. Lorazepam38 claims
  6. Buspirone Hcl32 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.

Karen Opdyke among 1,520 psychiatry physician records in New Jersey

Karen Opdyke, M.D. 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 2012, is newer than 73% of them.

  • NPI issued2012 · 73% of these records are older, 25% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 46% of these records are
  • Record last updated2012 · 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. Azima Ashraf, MDNew Brunswick, NJ 089011376577403
  2. Rehan Aziz, M.D.New Brunswick, NJ 089011457391310
  3. Javier Escobar, MDNew Brunswick, NJ 089011306926035
  4. Lyudmila Glazman, M.D.New Brunswick, NJ 089011942403712
  5. Susan Janes, D.O.New Brunswick, NJ 089011205847514
  6. Humberto Marin, MDNew Brunswick, NJ 089011558441287
  7. Yasmin Nazia, MDNew Brunswick, NJ 089011558769257
  8. Racquel San JuanNew Brunswick, NJ 089011295847713

Common questions

What is Karen Opdyke, M.D.'s NPI number?

Karen Opdyke, M.D.'s National Provider Identifier (NPI) is 1275805079, issued on Feb 8, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Karen Opdyke, M.D. located?

The NPPES record lists a practice address at 152 Oldwick RD, Whitehouse Station, NJ, 08889. Phone: (800) 438-3206. Providers update this record themselves, so call before visiting.

How can I verify Karen Opdyke, M.D.'s license?

NPPES lists New Jersey license number 25MA07649200, 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 Karen Opdyke, M.D. prescribe under Medicare Part D?

In 2024, Karen Opdyke, M.D. had 652 Medicare Part D claims for 48 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.