Andy Fan, M.D.
NPI 1730107327 · Gastroenterology Physician · Great Neck, NY
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andy Fan, M.D. is a Gastroenterology Physician provider in Great Neck, NY (NPI 1730107327).
Provider details
- NPI number
- 1730107327
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 239285 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
486 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 161 | $145 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 82 | $191 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 63 | $308 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 53 | $9 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 40 | $313 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare |
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 |
|---|---|---|
| Omeprazole | 202 | 105 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 112 | 111 |
| Pantoprazole Sodium | 72 | 34 |
| Famotidine | 68 | 32 |
| Cholestyramine (with Sugar)brand: Cholestyramine | 21 | — |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 21 | 19 |
| Ursodiol | 20 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-18
- Last updated
- 2021-03-29
- Certified
- 2021-03-29
Frequently asked questions
- What is Andy Fan's NPI number?
- Andy Fan's National Provider Identifier (NPI) is 1730107327, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andy Fan's specialty?
- Andy Fan is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Andy Fan located?
- Andy Fan's practice location on file with NPPES is 488 Great Neck Rd Ste 300, Great Neck, NY 11021-4308.
- What is Andy Fan's phone number?
- The practice phone number listed in the NPPES registry for Andy Fan is (516) 482-6747.
- Does Andy Fan accept Medicare?
- Andy Fan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andy Fan's NPI active?
- Yes — Andy Fan's NPI (1730107327) is active in the NPPES registry as of the last update on 2021-03-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.