Ji Su Hong, M.D.
NPI 1801185558 · Child & Adolescent Psychiatry Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ji Su Hong, M.D. is a Child & Adolescent Psychiatry Physician provider in Baltimore, MD (NPI 1801185558).
Provider details
- NPI number
- 1801185558
- Entity type
- Individual
- Primary specialty
- Child & Adolescent Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D0083575 (MD)
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
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
56 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 37 | $77 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 19 | $49 |
Typical Medicare-allowed amounts for these services range $49–$77 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (2)
- 12500 Willowbrook RdCumberland, MD 21502-6393Phone: (240) 964-7000
- 8609 2nd Ave Ste 404bSilver Spring, MD 20910-3374Phone: (667) 380-3250
Registry dates
- Enumerated
- 2011-04-04
- Last updated
- 2023-10-13
- Certified
- 2023-10-13
Frequently asked questions
- What is Ji Su Hong's NPI number?
- Ji Su Hong's National Provider Identifier (NPI) is 1801185558, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ji Su Hong's specialty?
- Ji Su Hong is listed in the NPPES registry with a primary specialty of Child & Adolescent Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Ji Su Hong located?
- Ji Su Hong's practice location on file with NPPES is 3901 Greenspring Ave, Baltimore, MD 21211-1353.
- What is Ji Su Hong's phone number?
- The practice phone number listed in the NPPES registry for Ji Su Hong is (443) 923-7630.
- Does Ji Su Hong accept Medicare?
- Ji Su Hong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ji Su Hong's NPI active?
- Yes — Ji Su Hong's NPI (1801185558) is active in the NPPES registry as of the last update on 2023-10-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.