DR. ANDY SHI HUANG MD
NPI 1609525161
Ophthalmology in Philadelphia, PA

NPI Status: Active since March 22, 2022

Contact Information

840 WALNUT ST
PHILADELPHIA, PA
ZIP 19107
Phone: (215) 928-3000

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  • Individual
  • Male
  • Ophthalmology
  • PECOS Enrolled

About ANDY HUANG

This page provides the complete NPI Profile along with additional information for Andy Huang, a provider established in Philadelphia, Pennsylvania with a medical specialization in Ophthalmology. The healthcare provider is registered in the NPI registry with number 1609525161 assigned on March 2022. The practitioner's primary taxonomy code is 207W00000X with license number MD494587 (PA). The provider is registered as an individual and his NPI record was last updated May 2026.

NPI
1609525161
Provider Name
DR. ANDY SHI HUANG MD
Gender
Male
Entity Type
Individual
Location Address
840 WALNUT ST PHILADELPHIA, PA 19107
Location Phone
(215) 928-3000
Mailing Address
840 WALNUT ST PHILADELPHIA, PA 19107
Mailing Phone
(678) 314-0208
Is Sole Proprietor?
Yes
Enumeration Date
03-22-2022
Last Update Date
05-06-2026
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Ophthalmologists like Andy Huang specialize in diagnosing and treating eye conditions. They may perform surgeries to correct vision issues or prevent vision loss due to diseases like glaucoma. Additionally, they can provide eyeglasses, prescribe contact lenses, and offer other vision-related services.

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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Ophthalmology

Taxonomy Code
207W00000X
Type
Allopathic & Osteopathic Physicians
License No.
MD494587
License State
PA
Taxonomy Description
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

Medicare Participation & PECOS Enrollment Status

Andy Huang is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Physician Visit Costs

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 19107 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $137.17
  • Minimum New Patient Price $59.88
  • Maximum New Patient Price $180.99
  • Average New Patient Copayment $34.29
  • Minimum New Patient Copayment $14.97
  • Maximum New Patient Copayment $45.24

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99213

  • Average Established Patient Price $74.47
  • Minimum Established Patient Price $19.3
  • Maximum Established Patient Price $147.29
  • Average Established Patient Copayment $18.61
  • Minimum Established Patient Copayment $4.82
  • Maximum Established Patient Copayment $36.82

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1609525161, we treat the final digit (1) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 49. The final step is to find the difference between that total and the next multiple of ten (50 - 49 = 1).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
6
Unchanged
Pos 3
0
Doubled → 0
Pos 4
9
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
2
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
1
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
1
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 0 → 0 5 → 10 → 1 5 → 10 → 1 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 6 + 0 + 9 + 1 + 0 + 2 + 1 + 0 + 1 + 1 + 2 + 24 = 49

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 49 is 50. The difference is the calculated check digit.

50 - 49 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1609525161.

Other Providers at the Same Location


The following 19 providers are registered at the same or a nearby location.

Ophthalmology
840 WALNUT ST, STE 920
PHILADELPHIA, PA 19107
Ophthalmology
840 WALNUT ST, SUITE 1250
PHILADELPHIA, PA 19107
Ophthalmology
840 WALNUT ST, STE 1120
PHILA, PA 19107
Ophthalmology
840 WALNUT ST, SUITE 1210
PHILADELPHIA, PA 19107
Ophthalmology
840 WALNUT ST, SUITE 1110
PHILADELPHIA, PA 19107
Ophthalmology
840 WALNUT ST, SUITE 1020
PHILADELPHIA, PA 19107
Optometrist
840 WALNUT ST
PHILADELPHIA, PA 19107
Optometrist
840 WALNUT ST, 930
PHILADELPHIA, PA 19107
Ophthalmology
840 WALNUT ST, 11TH FLOOR
PHILADELPHIA, PA 19107
Ophthalmology
840 WALNUT ST, SUITE 1020
PHILADELPHIA, PA 19107
Special Hospital
840 WALNUT ST, 15TH FLOOR
PHILADELPHIA, PA 19107
Optometrist (Corneal and Contact Management)
840 WALNUT ST, SUIT 920
PHILADELPHIA, PA 19107
Ophthalmology
840 WALNUT ST, SUITE 920
PHILADELPHIA, PA 19107
Ophthalmology
840 WALNUT ST, SUITE 200
PHILADELPHIA, PA 19107
Ophthalmology
840 WALNUT ST, SUITE 1230
PHILADELPHIA, PA 19107
Ophthalmology (Ophthalmic Plastic and Reconstructive Surgery)
840 WALNUT ST, SUITE 930
PHILADELPHIA, PA 19107
Ophthalmology
840 WALNUT ST
PHILADELPHIA, PA 19107
Ophthalmology (Ophthalmic Plastic and Reconstructive Surgery)
840 WALNUT ST
PHILADELPHIA, PA 19107
Ophthalmology
840 WALNUT ST, SUITE 930
PHILADELPHIA, PA 19107

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1609525161, enumerated as an "individual" on March 22, 2022.

The provider is located at 840 WALNUT ST PHILADELPHIA, PA 19107 and the phone number is (215) 928-3000.

Ophthalmology with taxonomy code 207W00000X.