Natalie Lee, MD
NPI 1447371505 · Gastroenterology Physician · Greenbrae, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Natalie Lee, MD is a Gastroenterology Physician provider in Greenbrae, CA (NPI 1447371505).
Provider details
- NPI number
- 1447371505
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A69882 (CA)
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
1,092 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 | 218 | $145 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 194 | $95 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 157 | $79 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 132 | $265 |
| Removal of External Hemorrhoids By Rubber Banding46221 | 92 | $335 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 167 | 73 |
| Pantoprazole Sodium | 92 | 39 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 85 | 83 |
| Linaclotidebrand: Linzess | 80 | 24 |
| Dexlansoprazolebrand: Dexlansoprazole Dr | 53 | 12 |
| Mesalamine | 27 | 11 |
| Lubiprostone | 26 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$543 across 22 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
- 2007-04-03
- Last updated
- 2011-02-08
Frequently asked questions
- What is Natalie Lee's NPI number?
- Natalie Lee's National Provider Identifier (NPI) is 1447371505, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Natalie Lee's specialty?
- Natalie Lee is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Natalie Lee located?
- Natalie Lee's practice location on file with NPPES is 1350 S Eliseo Dr, Greenbrae, CA 94904-2011.
- What is Natalie Lee's phone number?
- The practice phone number listed in the NPPES registry for Natalie Lee is (415) 925-6900.
- Does Natalie Lee accept Medicare?
- Natalie Lee is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Natalie Lee's NPI active?
- Yes — Natalie Lee's NPI (1447371505) is active in the NPPES registry as of the last update on 2011-02-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.