Peng Zhang, MD
NPI 1811105737 · Hospitalist Physician · Wareham, MA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peng Zhang, MD is a Hospitalist Physician provider in Wareham, MA (NPI 1811105737).
Provider details
- NPI number
- 1811105737
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 231471 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
1,004 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) |
|---|---|---|
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 545 | $181 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 133 | $82 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 110 | $123 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 83 | $120 |
| Critical Care, First 30-74 Minutes99291 | 57 | $222 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 37 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$176 across 2 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
- 2007-05-21
- Last updated
- 2025-01-22
- Certified
- 2025-01-22
Frequently asked questions
- What is Peng Zhang's NPI number?
- Peng Zhang's National Provider Identifier (NPI) is 1811105737, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peng Zhang's specialty?
- Peng Zhang is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Peng Zhang located?
- Peng Zhang's practice location on file with NPPES is 43 High St, Wareham, MA 02571-2097.
- What is Peng Zhang's phone number?
- The practice phone number listed in the NPPES registry for Peng Zhang is (508) 973-5919.
- Does Peng Zhang accept Medicare?
- Peng Zhang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peng Zhang's NPI active?
- Yes — Peng Zhang's NPI (1811105737) is active in the NPPES registry as of the last update on 2025-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.