Xiaogang Zhang, MD
NPI 1083678601 · Internal Medicine Physician · Kalamazoo, MI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Xiaogang Zhang, MD is a Internal Medicine Physician provider in Kalamazoo, MI (NPI 1083678601).
Provider details
- NPI number
- 1083678601
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 40062-020 (WI)
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
20 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
688 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 260 | $94 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 172 | $64 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 154 | $124 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 42 | $76 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 25 | $110 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 132 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 716 | 210 |
| Omeprazole | 459 | 136 |
| Levothyroxine Sodium | 455 | 126 |
| Amlodipine Besylate | 441 | 127 |
| Rosuvastatin Calcium | 426 | 118 |
| Losartan Potassium | 312 | 91 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$20 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
- 2006-04-12
- Last updated
- 2023-11-27
- Certified
- 2020-09-23
Frequently asked questions
- What is Xiaogang Zhang's NPI number?
- Xiaogang Zhang's National Provider Identifier (NPI) is 1083678601, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Xiaogang Zhang's specialty?
- Xiaogang Zhang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Xiaogang Zhang located?
- Xiaogang Zhang's practice location on file with NPPES is 601 John St, Kalamazoo, MI 49007-5341.
- What is Xiaogang Zhang's phone number?
- The practice phone number listed in the NPPES registry for Xiaogang Zhang is (269) 381-5060.
- Does Xiaogang Zhang accept Medicare?
- Xiaogang Zhang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Xiaogang Zhang's NPI active?
- Yes — Xiaogang Zhang's NPI (1083678601) is active in the NPPES registry as of the last update on 2023-11-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.