Calvin Pan, M.D.
NPI 1427062108 · Gastroenterology Physician · Flushing, NY
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Calvin Pan, M.D. is a Gastroenterology Physician provider in Flushing, NY (NPI 1427062108).
Provider details
- NPI number
- 1427062108
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 203898 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
259 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 83 | $97 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 40 | $136 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 38 | $9 |
| Ultrasound Scan of Organ Tissue for Measuring Elasticity76981 | 28 | $114 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 23 | $491 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope |
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 |
|---|---|---|
| Sucralfate | 264 | 106 |
| Esomeprazole Magnesium | 172 | 63 |
| Tenofovir Alafenamidebrand: Vemlidy | 113 | 24 |
| Linaclotidebrand: Linzess | 108 | 25 |
| Lipase/Protease/Amylasebrand: Creon | 91 | 28 |
| Mesalamine | 90 | 30 |
| Metoclopramide Hcl | 71 | 32 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$457 across 21 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
- 2006-07-28
- Last updated
- 2011-04-19
Frequently asked questions
- What is Calvin Pan's NPI number?
- Calvin Pan's National Provider Identifier (NPI) is 1427062108, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Calvin Pan's specialty?
- Calvin Pan is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Calvin Pan located?
- Calvin Pan's practice location on file with NPPES is 13221 41st Ave, Flushing, NY 11355-3627.
- What is Calvin Pan's phone number?
- The practice phone number listed in the NPPES registry for Calvin Pan is (718) 888-7728.
- Does Calvin Pan accept Medicare?
- Calvin Pan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Calvin Pan's NPI active?
- Yes — Calvin Pan's NPI (1427062108) is active in the NPPES registry as of the last update on 2011-04-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.