John Guo, M.D.
NPI 1114016623 · Psychiatry Physician · Honolulu, HI
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Guo, M.D. is a Psychiatry Physician provider in Honolulu, HI (NPI 1114016623).
Provider details
- NPI number
- 1114016623
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD-8042 (HI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
616 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 146 | $130 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 133 | $92 |
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 132 | $71 |
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 98 | $61 |
| Psychotherapy, 30 Minutes90832 | 54 | $68 |
| Psychotherapy With Evaluation and Management Visit, 45 Minutes90836 | 37 | $72 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Alprazolam | 179 | 30 |
| Clonazepam | 150 | 28 |
| Escitalopram Oxalate | 137 | 40 |
| Mirtazapine | 117 | 36 |
| Trazodone Hcl | 108 | 31 |
| Lorazepam | 91 | 27 |
| Gabapentin | 91 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-12
- Last updated
- 2010-09-13
Frequently asked questions
- What is John Guo's NPI number?
- John Guo's National Provider Identifier (NPI) is 1114016623, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Guo's specialty?
- John Guo is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is John Guo located?
- John Guo's practice location on file with NPPES is 1100 Ward Ave, Honolulu, HI 96814-1600.
- What is John Guo's phone number?
- The practice phone number listed in the NPPES registry for John Guo is (808) 522-4521.
- Does John Guo accept Medicare?
- John Guo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Guo's NPI active?
- Yes — John Guo's NPI (1114016623) is active in the NPPES registry as of the last update on 2010-09-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.