Johnathan Zhang, MD
NPI 1346532132 · Gastroenterology Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Johnathan Zhang, MD is a Gastroenterology Physician provider in Sacramento, CA (NPI 1346532132).
Provider details
- NPI number
- 1346532132
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
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
15 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
599 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) |
|---|---|---|
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 96 | $75 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 92 | $83 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 79 | $139 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 78 | $244 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 62 | $180 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 269 | 96 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 118 | 112 |
| Omeprazole | 104 | 33 |
| Linaclotidebrand: Linzess | 80 | 33 |
| Dicyclomine Hcl | 41 | 12 |
| Amitriptyline Hcl | 30 | — |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,713 across 60 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
- 2011-05-11
- Last updated
- 2017-08-29
Frequently asked questions
- What is Johnathan Zhang's NPI number?
- Johnathan Zhang's National Provider Identifier (NPI) is 1346532132, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Johnathan Zhang's specialty?
- Johnathan Zhang is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Johnathan Zhang located?
- Johnathan Zhang's practice location on file with NPPES is 3000 Q St Fl 3, Sacramento, CA 95816-7058.
- What is Johnathan Zhang's phone number?
- The practice phone number listed in the NPPES registry for Johnathan Zhang is (916) 733-3370.
- Does Johnathan Zhang accept Medicare?
- Johnathan Zhang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Johnathan Zhang's NPI active?
- Yes — Johnathan Zhang's NPI (1346532132) is active in the NPPES registry as of the last update on 2017-08-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.