Hemachandra Pemasiri Gunawardhana, MD
Psychiatry Physician · Smyrna, GA
Hemachandra Pemasiri Gunawardhana, MD is a psychiatry physician with a practice address in Smyrna, Georgia, and NPI 1558369413, issued on Jul 13, 2005. Check the license (Georgia 63341, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Hemachandra Pemasiri Gunawardhana
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 63341 GA
34011 MO
Self-reported in NPPES; status is on the state search - Practice location
- 3188 Atlanta RD SE, Smyrna, GA 30080
- Phone
- (770) 319-6000
- Enumerated
- Jul 13, 2005
- Record last updated
- Feb 21, 2024
- Fax
- (770) 319-6330
- Medicare enrollment
- Enrolled (PECOS I20110124000875); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,291 in Georgia → Look up another NPI →
Also registered at 3188 Atlanta RD SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Cooper, PH.D.Clinical Psychologist1972834612
- Cheryl Cosey, LPCProfessional Counselor1659912921
- Daniel Golightly, MDAddiction Medicine (Family Medicine) Physician1508955071
- Karen Hannah, M.S., L.P.C.Professional Counselor1780804724
- Mary Harper, APRN, BCPsychiatric/Mental Health Nurse Practitioner1184825903
- Violet Kato, NPAdult Health Nurse Practitioner1851898068
Verify Hemachandra Pemasiri Gunawardhana in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 63341Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.2 times the Medicare Part D claims of the average psychiatry physician in 2024
4,210 Medicare Part D claims for 229 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Clonazepam384 claims
- Quetiapine Fumarate326 claims
- Trazodone Hcl237 claims
- Olanzapine182 claims
- Risperidone170 claims
- Benztropine Mesylate161 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: $47.17
2 payments; by number, the most common kind was food and beverage; the largest payer was Neurocrine Biosciences, 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Hemachandra Pemasiri Gunawardhana among 1,291 psychiatry physician records in Georgia
Hemachandra Pemasiri Gunawardhana, MD is one of 1,291 psychiatry physician records with a practice address in Georgia. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated1965 · median 2002 among the 516 with a school on file
- Record last updated2024 · 57% 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 Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
29 psychiatry physician records list a practice address in Smyrna
They are 29 of the 1,292 NPPES records with a practice address in Smyrna, and 1,291 psychiatry physician records in Georgia.
All 1,291 in Georgia → Every provider in Smyrna → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Edward Ajayi, MDSmyrna, GA 300801285649707
- Ivan Hoffman, M.D.Smyrna, GA 300801861423360
- Dirk Huttenbach, MDSmyrna, GA 300801679536163
- Kingsley Iyamu, M.D.Smyrna, GA 300801275615171
- Timothy Kennedy, MDSmyrna, GA 300801891885869
- John Lochridge, M.D.Smyrna, GA 300801053423244
- Karl Mihalovits, MDSmyrna, GA 300801588767909
- Arun Munjal, M.DSmyrna, GA 300801730150814
Common questions
What is Hemachandra Pemasiri Gunawardhana, MD's NPI number?
Hemachandra Pemasiri Gunawardhana, MD's National Provider Identifier (NPI) is 1558369413, issued on Jul 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Hemachandra Pemasiri Gunawardhana, MD located?
The NPPES record lists a practice address at 3188 Atlanta RD SE, Smyrna, GA, 30080. Phone: (770) 319-6000. Providers update this record themselves, so call before visiting.
How can I verify Hemachandra Pemasiri Gunawardhana, MD's license?
NPPES lists Georgia license number 63341, as entered by the provider. Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Hemachandra Pemasiri Gunawardhana, MD prescribe under Medicare Part D?
In 2024, Hemachandra Pemasiri Gunawardhana, MD had 4,210 Medicare Part D claims for 229 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.