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CALVIN Q PAN M.D.
NPI 1427062108
Internal Medicine - Gastroenterology in Flushing, NY

Active since July 28, 2006PECOS Enrolled
13221 41ST AVE, FLUSHING, NY 11355(718) 888-7728(718) 888-7738 Get Directions Write a Review

NPPES record last updated: April 19, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Calvin Q Pan M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CALVIN Q PAN M.D. (NPI 1427062108) is an individual gastroenterology provider in Flushing, New York, licensed in New York (203898) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1985).

NPPES Registry Identity

NPI1427062108
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameCALVIN Q PANCredential: M.D.
Location Address13221 41ST AVEFlushing, NY 11355-3627
Mailing Address13221 41st AveFlushing, NY 11355-3627 · (718) 888-7728 · Fax (718) 888-7738
Phone(718) 888-7728
Fax(718) 888-7738
Sole ProprietorNo
Medical School CMSOtherGraduated 1985
Enumeration DateJuly 28, 2006
Last NPPES UpdateApril 19, 2011
✔ NPI 1427062108 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in NY · 203898
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X · License 203898 (NY)
13221 41ST AVE, Flushing, NY 11355
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Other Identifiers 4

Medicare PIN5393SKNY
Medicaid01883870NY
Medicare PIN5388VMNY
Medicare UPING87000NY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Calvin Q Pan M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2466492947
PECOS Enrollment IDI20050504000254
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Calvin Pan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Medical Procare, PLLC
Same address
Specialist
13221 41ST AVE
Flushing, NY 11355
  • Reassigned Medicare billing, New York enrollment
  • 2 clinicians in this Medicare group
NPI 1225209778 (718) 888-7728
Icahn School Of Medicine At Mount Sinai
2.9 mi
Anesthesiology
7901 BROADWAY
Elmhurst, NY 11373
  • Reassigned Medicare billing, New York enrollment
  • 836 clinicians in this Medicare group
NPI 1063766038 (718) 334-1591

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
83 services50 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
40 services29 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
38 services22 patients
Ultrasound scan of organ tissue for measuring elasticity 76981
An ultrasound scan of organ tissue measures elasticity, or flexibility. This non-invasive procedure uses sound waves to create images of the inside of your body. It helps in assessing the health of various organs by detecting changes in their stiffness or softness.
28 services26 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
23 services23 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
18 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11355 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$153.13 typical visit price
range $67.00 – $201.98
Typical copayment $38.28 (range $16.75 – $50.49)
Most-billed visit code 99204
Established Patient
$116.96 typical visit price
range $21.62 – $163.52
Typical copayment $29.24 (range $5.40 – $40.88)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Enteral formula, nutritionally complete, for special metabolic needs, excludes inherited disease of metabolism, includes altered composition of proteins, fats, carbohydrates, vitamins and/or minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4154
Other-Enteral and Parenteral · category OB006N
1 supplier11 claims5,538 services$0.54 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MEDICAL PROCARE, PLLC
Specialist
13221 41ST AVE
FLUSHING, NY 11355
Queens County (718) 888-7728
APPLE PHARMACY LLC
Pharmacy (Community/Retail Pharmacy)
13221 41ST AVE, UNIT 1B
FLUSHING, NY 11355
Queens County (718) 939-3335

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Calvin Pan's NPI number?

The NPI number for Calvin Pan is 1427062108. It was assigned to this individual provider in the NPPES registry on July 28, 2006.

Where is Calvin Pan located?

Calvin Pan practices at 13221 41st Ave, Flushing, NY 11355. The listed phone number is (718) 888-7728.

What is Calvin Pan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Calvin Pan enrolled in Medicare?

Yes. Calvin Pan is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Calvin Pan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Calvin Pan reassigns Medicare benefits to 2 organizations: Medical Procare, PLLC (Flushing, NY) and Icahn School Of Medicine At Mount Sinai (Elmhurst, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Calvin Pan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Calvin Pan was last updated on April 19, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.