Mary Ann Koza, D.O.
Psychiatry Physician · Allentown, PA
Mary Ann Koza, D.O. is a psychiatry physician with a practice address in Allentown, Pennsylvania, and NPI 1114123288, issued on Jun 25, 2007. Check the license (Pennsylvania OS015258, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Mary Ann Koza
- Credential
- D.O.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- OS015258 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1605 N Cedar Crest Blvd, Allentown, PA 18104
- Phone
- (610) 841-4144
- Enumerated
- Jun 25, 2007
- Record last updated
- Dec 23, 2016 (not updated in 10 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 1605 N Cedar Crest Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary Ann Koza in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS015258Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average psychiatry physician in 2024
14 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
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.
Psychiatry Physician providers in Pennsylvania
There are 2,662 psychiatry physician records in Pennsylvania.
Other psychiatry physician records in Pennsylvania
- Raja Abbas, M.D.Lehighton, PA1306057294
- Saleha Abbas, M.D.Upland, PA1144283052
- David Abel, MDDoylestown, PA1881637163
- Rolf Abel, MDWilkes Barre, PA1427048917
- Kian AbolhodaPhiladelphia, PA1013844885
- Dara Abraham, D.OPhiladelphia, PA1316109549
- George Abraham, PCLafayette Hill, PA1679552368
- John Abulu, MBBS, MDPhiladelphia, PA1700052172
- Thalia Acosta, MDPittsburgh, PA1790909224
- Marilyn Adam, M.D.York, PA1548698103
Common questions
What is Mary Ann Koza, D.O.'s NPI number?
Mary Ann Koza, D.O.'s National Provider Identifier (NPI) is 1114123288, issued on Jun 25, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mary Ann Koza, D.O. located?
The NPPES record lists a practice address at 1605 N Cedar Crest Blvd, Allentown, PA, 18104. Phone: (610) 841-4144. Providers update this record themselves, so call before visiting.
How can I verify Mary Ann Koza, D.O.'s license?
NPPES lists Pennsylvania license number OS015258, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mary Ann Koza, D.O. prescribe under Medicare Part D?
In 2024, Mary Ann Koza, D.O. had 14 Medicare Part D claims; 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.