Olga Zhalkovska, M.D.
Psychiatry Physician · Concord, NH
Olga Zhalkovska, M.D. is a psychiatry physician with a practice address in Concord, New Hampshire, and NPI 1083999213, issued on Oct 19, 2011. Check the license (New Hampshire 17039, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Olga Zhalkovska
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 17039 NH
Self-reported in NPPES; status is on the state search - Practice location
- 250 Pleasant St, Concord, NH 03301
- Phone
- (603) 227-7000
- Enumerated
- Oct 19, 2011
- Record last updated
- Aug 5, 2026
- Medicare enrollment
- Enrolled (PECOS I20150917002372); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 263 in New Hampshire → Look up another NPI →
Also registered at 250 Pleasant St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Arthur Ablayev, MDHospitalist Physician1598178881
- Judith Ainsworth, APRNFamily Nurse Practitioner1023473881
- D. Akey, MDPulmonary Disease Physician1629015995
- Mathew AllardStudent in an Organized Health Care Education/Training Program1477499515
Verify Olga Zhalkovska in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 17039Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average psychiatry physician in 2024
48 Medicare Part D claims for 19 beneficiaries, 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.
Bills Medicare through one group practice
- Riverbend Community Mental Health, IncConcord, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Olga Zhalkovska among 263 psychiatry physician records in New Hampshire
Olga Zhalkovska, M.D. is one of 263 psychiatry physician records with a practice address in New Hampshire. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 69% of them.
- NPI issued2011 · 69% of these records are older, 28% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated1998 · median 2003 among the 136 with a school on file
- Record last updated2026 · 60% 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 Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
31 psychiatry physician records list a practice address in Concord
They are 31 of the 3,103 NPPES records with a practice address in Concord, and 263 psychiatry physician records in New Hampshire.
All 263 in New Hampshire → Every provider in Concord → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Rebecca Andrew, M.D.Concord, NH 033011265486088
- R. Barrnett, M.D.Concord, NH 033011093734519
- David Bonacci, MDConcord, NH 033011295750966
- Paul Brown, MDConcord, NH 033011750323739
- David Coursin, MDConcord, NH 033011912926239
- Alexander De Nesnera, M.D.Concord, NH 033011457300030
- Peter Delfausse, M.D.Concord, NH 033011891744272
- Osvaldo Evangelista, MDConcord, NH 033011780653501
Common questions
What is Olga Zhalkovska, M.D.'s NPI number?
Olga Zhalkovska, M.D.'s National Provider Identifier (NPI) is 1083999213, issued on Oct 19, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Olga Zhalkovska, M.D. located?
The NPPES record lists a practice address at 250 Pleasant St, Concord, NH, 03301. Phone: (603) 227-7000. Providers update this record themselves, so call before visiting.
How can I verify Olga Zhalkovska, M.D.'s license?
NPPES lists New Hampshire license number 17039, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Olga Zhalkovska, M.D. prescribe under Medicare Part D?
In 2024, Olga Zhalkovska, M.D. had 48 Medicare Part D claims for 19 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.