Jonathan Chiang, PA-C
NPI 1831342450 · Physician Assistant · Baltimore, MD
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Chiang, PA-C is a Physician Assistant provider in Baltimore, MD (NPI 1831342450).
Provider details
- NPI number
- 1831342450
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- Yes
- License
- C03911 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
705 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Fluoroscopic Guidance for Insertion Or Removal of Central Vein Access Device77001 | 163 | $16 |
| Drainage of Fluid From Abdominal Cavity Using Imaging Guidance49083 | 128 | $89 |
| Ultrasonic Guidance for Blood Vessel Access76937 | 115 | $12 |
| Insertion of Central Venous Tube With Port (5 Years Or Older)36561 | 103 | $292 |
| Aspiration of Fluid From Chest Cavity Using Imaging Guidance32555 | 94 | $97 |
| Removal of Central Venous Tube With Port Or Pump36590 | 49 | $164 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$16 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-10-28
- Last updated
- 2014-03-20
Frequently asked questions
- What is Jonathan Chiang's NPI number?
- Jonathan Chiang's National Provider Identifier (NPI) is 1831342450, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Chiang's specialty?
- Jonathan Chiang is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jonathan Chiang located?
- Jonathan Chiang's practice location on file with NPPES is 301 Saint Paul St, Baltimore, MD 21202-2102.
- What is Jonathan Chiang's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Chiang is (410) 332-9231.
- Does Jonathan Chiang accept Medicare?
- Jonathan Chiang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Chiang's NPI active?
- Yes — Jonathan Chiang's NPI (1831342450) is active in the NPPES registry as of the last update on 2014-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.