Gioia M. Guerrieri, D.O.
Psychiatry Physician · Rockville, MD
Gioia M. Guerrieri, D.O. is a psychiatry physician with a practice address in Rockville, Maryland, and NPI 1417112319, issued on Jul 21, 2008. Check the license (Maryland H0073044, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Gioia M. Guerrieri
- Credential
- D.O.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- H0073044 MD
Self-reported in NPPES; status is on the state search - Practice location
- 143 Rollins Ave Unit 2213, Rockville, MD 20852
- Phone
- (240) 427-3658
- Enumerated
- Jul 21, 2008
- Record last updated
- Aug 13, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (888) 484-6661
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,451 in Maryland → Look up another NPI →
Verify Gioia M. Guerrieri in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license H0073044Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average psychiatry physician in 2024
24 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Clonazepam12 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.
Gioia M. Guerrieri among 1,451 psychiatry physician records in Maryland
Gioia M. Guerrieri, D.O. is one of 1,451 psychiatry physician records with a practice address in Maryland. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 62% of them.
- NPI issued2008 · 62% of these records are older, 34% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · 36% of these records are
- Record last updated2015 · 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
80 psychiatry physician records list a practice address in Rockville
They are 80 of the 14,353 NPPES records with a practice address in Rockville, and 1,451 psychiatry physician records in Maryland.
All 1,451 in Maryland → Every provider in Rockville → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Lisa Chun, M.D.Rockville, MD 208521801922422
- Caroline Dupont, MDRockville, MD 208521477686319
- Herbert Gross, M.D.Rockville, MD 208521508827510
- Naveena Hemanth, M.DRockville, MD 208521063599025
- John Hsiao, M.D.Rockville, MD 208521346348018
- Steven Israel, M.D.Rockville, MD 208521063548196
- Martha Martin, M.D.North Bethesda, MD 208521861550204
- Piyush Patel, M.D.Rockville, MD 208521164413159
Common questions
What is Gioia M. Guerrieri, D.O.'s NPI number?
Gioia M. Guerrieri, D.O.'s National Provider Identifier (NPI) is 1417112319, issued on Jul 21, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Gioia M. Guerrieri, D.O. located?
The NPPES record lists a practice address at 143 Rollins Ave Unit 2213, Rockville, MD, 20852. Phone: (240) 427-3658. Providers update this record themselves, so call before visiting.
How can I verify Gioia M. Guerrieri, D.O.'s license?
NPPES lists Maryland license number H0073044, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gioia M. Guerrieri, D.O. prescribe under Medicare Part D?
In 2024, Gioia M. Guerrieri, D.O. had 24 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.