Mark Alan Koenig, D.O.
Family Medicine Physician · Miller Place, NY
Mark Alan Koenig, D.O. is a family medicine physician with a practice address in Miller Place, New York, and NPI 1831252964, issued on Dec 19, 2006. Check the license (New York 174687, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Mark Alan Koenig
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 174687 NY
Self-reported in NPPES; status is on the state search - Practice location
- 765 Route 25A Ste 6, Miller Place, NY 11764
- Phone
- (631) 320-3200
- Enumerated
- Dec 19, 2006
- Record last updated
- Aug 16, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (631) 350-7798
- Medicaid ID
- 01263721 NY
- Medicare enrollment
- Enrolled (PECOS I20120406000186); accepts Medicare assignment
- Medical or professional school
- New York College Of Osteo Medicine Of New York Institute Of Technology, 1985
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,417 in New York → Look up another NPI →
Also registered at 765 Route 25A Ste 6
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Corin Newman, NPNurse Practitioner1801482062
- Laurie Wallace, RPA-CPhysician Assistant1326261579
Verify Mark Alan Koenig in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 174687Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% more Medicare Part D claims than the average family medicine physician in 2024
4,971 Medicare Part D claims for 422 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 25 claims were for opioids.
Most prescribed
- Atorvastatin Calcium339 claims
- Losartan Potassium208 claims
- Amlodipine Besylate203 claims
- Omeprazole192 claims
- Metformin Hcl187 claims
- Levothyroxine Sodium183 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.
Industry payments in 2024: $2,119.56
58 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Caremed Primary And Urgent Care PCMiller Place, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Alan Koenig among 6,417 family medicine physician records in New York
Mark Alan Koenig, D.O. is one of 6,417 family medicine physician records with a practice address in New York. 81% 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, 58% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1985 · median 2007 among the 4,188 with a school on file
- Record last updated2019 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in New York
There are 6,417 family medicine physician records in New York.
All 6,417 in New York → Every provider in Miller Place → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Joseph Venezia, MDMiller Place, NY 117641114092061
- Mark Wasserman, MDMiller Place, NY 117641033176805
- Kami Barry, D.O.Medford, NY 117631114936317
- Michael Ryder, D.O.Medford, NY 117631659598589
- Navpreet Dhuga, DOMount Sinai, NY 117661003438144
- Martin Diamond, D.O.Massapequa Pk, NY 117621972874873
- Eileen KorpiMount Sinai, NY 117661407952203
- Carl KorpiMount Sinai, NY 117661831295641
Common questions
What is Mark Alan Koenig, D.O.'s NPI number?
Mark Alan Koenig, D.O.'s National Provider Identifier (NPI) is 1831252964, issued on Dec 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Alan Koenig, D.O. located?
The NPPES record lists a practice address at 765 Route 25A Ste 6, Miller Place, NY, 11764. Phone: (631) 320-3200. Providers update this record themselves, so call before visiting.
How can I verify Mark Alan Koenig, D.O.'s license?
NPPES lists New York license number 174687, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Alan Koenig, D.O. prescribe under Medicare Part D?
In 2024, Mark Alan Koenig, D.O. had 4,971 Medicare Part D claims for 422 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.