Kristine Zhang, MD
NPI 1841301090 · Gastroenterology Physician · Olympia, WA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kristine Zhang, MD is a Gastroenterology Physician provider in Olympia, WA (NPI 1841301090).
Provider details
- NPI number
- 1841301090
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD00045083 (WA)
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
550 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) |
|---|---|---|
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 157 | $239 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 127 | $59 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 103 | $125 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 72 | $59 |
| Insertion of Guide Wire With Dilation of Esophagus Using a Flexible Endoscope43248 | 30 | $132 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes |
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 |
|---|---|---|
| Mesalamine | 41 | — |
| Omeprazole | 35 | 11 |
| Budesonidebrand: Budesonide Dr | 30 | — |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 28 | 28 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 27 | 25 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 21 | 20 |
| Mesalaminebrand: Mesalamine Er |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$120 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
Additional practice locations (1)
- 500 Lilly Rd Ne # 204Olympia, WA 98506Phone: (360) 413-8250Fax: (360) 413-8830
Registry dates
- Enumerated
- 2006-08-31
- Last updated
- 2021-04-21
- Certified
- 2021-04-21
Frequently asked questions
- What is Kristine Zhang's NPI number?
- Kristine Zhang's National Provider Identifier (NPI) is 1841301090, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kristine Zhang's specialty?
- Kristine Zhang is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Kristine Zhang located?
- Kristine Zhang's practice location on file with NPPES is 209 Lilly Rd Ne, Olympia, WA 98506.
- What is Kristine Zhang's phone number?
- The practice phone number listed in the NPPES registry for Kristine Zhang is (360) 413-8250.
- Does Kristine Zhang accept Medicare?
- Kristine Zhang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kristine Zhang's NPI active?
- Yes — Kristine Zhang's NPI (1841301090) is active in the NPPES registry as of the last update on 2021-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.