John Chin, M.D.
NPI 1598002115 · Hospitalist Physician · Portsmouth, VA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Chin, M.D. is a Hospitalist Physician provider in Portsmouth, VA (NPI 1598002115).
Provider details
- NPI number
- 1598002115
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 0101260691 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 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
952 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 754 | $74 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 108 | $109 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 57 | $125 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 33 | $77 |
Typical Medicare-allowed amounts for these services range $74–$125 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 30 | 13 |
| Furosemide | 26 | 12 |
| Metoprolol Tartrate | 26 | 11 |
| Memantine Hcl | 19 | — |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 17 | 16 |
| Atorvastatin Calcium | 16 | — |
| Ezetimibe | 14 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$345 across 3 records (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
- 2013-01-16
- Last updated
- 2020-04-30
- Certified
- 2020-04-30
Frequently asked questions
- What is John Chin's NPI number?
- John Chin's National Provider Identifier (NPI) is 1598002115, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Chin's specialty?
- John Chin is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is John Chin located?
- John Chin's practice location on file with NPPES is 620 John Paul Jones Circle, Portsmouth, VA 23708.
- What is John Chin's phone number?
- The practice phone number listed in the NPPES registry for John Chin is (757) 953-0669.
- Does John Chin accept Medicare?
- John Chin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Chin's NPI active?
- Yes — John Chin's NPI (1598002115) is active in the NPPES registry as of the last update on 2020-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.