Zhihong Guo, M.D.
Psychiatry Physician · Baltimore, MD
Zhihong Guo, M.D. is a psychiatry physician with a practice address in Baltimore, Maryland, and NPI 1326208984, issued on Jun 16, 2008. Check the license (Maryland D81268, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Zhihong Guo
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- D81268 MD
Self-reported in NPPES; status is on the state search - Practice location
- 6501 N Charles St, Baltimore, MD 21204
- Phone
- (410) 938-3000
- Enumerated
- Jun 16, 2008
- Record last updated
- Jul 26, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (410) 938-5131
- Medicare enrollment
- Enrolled (PECOS I20160901001366); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,451 in Maryland → Look up another NPI →
Also registered at 6501 N Charles St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Zhihong Guo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D81268Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average psychiatry physician in 2024
323 Medicare Part D claims for 55 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Olanzapine27 claims
- Trazodone Hcl20 claims
- Benztropine Mesylate13 claims
- Clozapine13 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 84.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Mosaic Community Services, IncBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Zhihong Guo among 1,451 psychiatry physician records in Maryland
Zhihong Guo, M.D. 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 fileYes · 36% of these records are
- Graduated1992 · median 2000 among the 525 with a school on file
- Record last updated2016 · 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).
497 psychiatry physician records list a practice address in Baltimore
They are 497 of the 35,183 NPPES records with a practice address in Baltimore, and 1,451 psychiatry physician records in Maryland.
All 1,451 in Maryland → Every provider in Baltimore → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- David Arnold, M.D.Baltimore, MD 212041700852084
- Maurice Bachawati, M.D.Baltimore, MD 212041366425779
- Nicola Cascella, M.DBaltimore, MD 212041427007681
- Coquilla Cross, MDTowson, MD 212041235197013
- Andrew Feinberg, M.D.Towson, MD 212041962432062
- Laura Gaffney, M.D.Towson, MD 212041215973441
- Oscar Galvis, M.D.Towson, MD 212041275517567
- David KaufmanTowson, MD 212041013956358
Common questions
What is Zhihong Guo, M.D.'s NPI number?
Zhihong Guo, M.D.'s National Provider Identifier (NPI) is 1326208984, issued on Jun 16, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Zhihong Guo, M.D. located?
The NPPES record lists a practice address at 6501 N Charles St, Baltimore, MD, 21204. Phone: (410) 938-3000. Providers update this record themselves, so call before visiting.
How can I verify Zhihong Guo, M.D.'s license?
NPPES lists Maryland license number D81268, 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 Zhihong Guo, M.D. prescribe under Medicare Part D?
In 2024, Zhihong Guo, M.D. had 323 Medicare Part D claims for 55 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Zhihong Guo, M.D.'s MIPS final score?
The 2023 MIPS final score is 84.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.