DR. ALLEN CHIANG M.D.
NPI 1326212960
Ophthalmology in Plymouth Meeting, PA

Q: What is Allen Chiang's NPI number?

The NPI number for Allen Chiang is 1326212960. It was assigned to this individual provider in the NPPES registry on April 15, 2008.

Q: What is Allen Chiang's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Q: When was this NPI record last updated?

The NPPES record for Allen Chiang was last updated on May 6, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.

Active since April 15, 2008PECOS EnrolledAccepts Medicare Assignment

99.95/100

CMS Quality Rating

4060 BUTLER PIKE, SUITE 200, PLYMOUTH MEETING, PA 19462(800) 331-6634 Get Directions Write a Review

NPPES record last updated: May 6, 2019. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 6, 2019, Sep 21, 2017 (2 updates tracked since 2017).

On this page

About Dr. Allen Chiang M.d. NPPES

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

DR. ALLEN CHIANG M.D. (NPI 1326212960) is an individual ophthalmology provider in Plymouth Meeting, Pennsylvania, licensed in Pennsylvania (MD436258) and active in the NPI registry since April 2008. He is enrolled in Medicare PECOS, is affiliated with Wills Eye Hospital, and is a graduate of New York University School Of Medicine (2005).

NPPES Registry Identity

NPI1326212960

Entity TypeIndividualMale

Primary Taxonomy207W00000X

Provider Legal NameDR. ALLEN CHIANGCredential: M.D.

Location Address4060 BUTLER PIKE, SUITE 200Plymouth Meeting, PA 19462-1560

Mailing Address4060 Butler Pike, Suite 200Plymouth Meeting, PA 19462-1560 · (800) 331-6634

Phone(800) 331-6634

Sole ProprietorNo

Medical School CMSNew York University School Of MedicineGraduated 2005

Enumeration DateApril 15, 2008

Last NPPES UpdateMay 6, 20192 updates tracked since enumeration

✔ NPI 1326212960 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

Licenses✔ Licensed in PA · MD436258✔ Licensed in NJ · 25MA09259400

Definition

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.

Also ListedOphthalmology · Retina SpecialistTaxonomy 207WX0107X · License 25MA09259400 (NJ), MD436258 (PA)

4060 BUTLER PIKE, Plymouth Meeting, PA 19462

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Allen Chiang M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1355493677

PECOS Enrollment IDI20090717000382

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.

Areas of Expertise CMS Part B claims 17

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.

Injection, faricimab-svoa, 0.1 mg J2777

Faricimab-svoa is a medication given through an injection into the eye to treat certain eye conditions. The 0.1 mg dosage helps control disease progression, improving vision and eye health. The procedure is done by a healthcare professional.

13,921 services32 patients

Imaging of retina 92134

Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.

5,133 services1,648 patients

Injection, aflibercept, 1 mg J0178

Aflibercept injection is a treatment for certain eye conditions that affect vision. It works by blocking abnormal blood vessel growth and leakage in the eye, which can cause vision loss. The medication is administered directly into the eye by a healthcare professional.

4,026 services335 patients

Injection of drug into eye 67028

An injection into the eye is a procedure where a medication is delivered directly into your eye to treat various conditions. A local anesthetic is applied to numb the eye, ensuring minimal discomfort. The drug helps manage diseases like macular degeneration or diabetic retinopathy.

3,661 services677 patients

Established patient problem focused exam of visual system 92012

This is a routine check-up for existing patients focusing on the visual system. It involves examining your eyes to detect any potential issues or changes in your vision. It's a crucial part of maintaining good eye health.

2,431 services860 patients

Established patient complete exam of visual system 92014

An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.

844 services777 patients

Unclassified biologics J3590

Unclassified biologics are a type of treatment derived from living organisms. They can include a wide range of substances, such as vaccines, blood components, or genes, used to prevent or treat diseases. Each is specifically designed to interact with the body's natural defenses to promote healing.

271 services184 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

209 services209 patients

Extended exam of the back part of the eye with retinal drawing 92201

This procedure involves a detailed examination of the back part of your eye, including the retina. It helps identify any abnormalities or issues. A retinal drawing is made to record findings. It's non-invasive and crucial for maintaining eye health.

207 services188 patients

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.

89 services78 patients

Compounded drug, not otherwise classified J7999

A compounded drug is a personalized medication created to meet unique patient needs. If you can't take standard drugs due to allergies or need a specific dosage not commercially available, a pharmacist can mix ingredients to make a drug specifically for you.

86 services48 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.

81 services81 patients

2d ultrasound scan of eye tissue and structures 76512

A 2D ultrasound scan of eye tissue and structures is a non-invasive procedure that uses sound waves to create images of your eye. It helps doctors to examine your eye's internal structures, detect abnormalities, and plan for treatments if needed.

33 services27 patients

Photocoagulation treatment to prevent detachment of retina 67145

Photocoagulation is a procedure used to treat retinal disorders. A special laser is directed at the retina to create small burns. These burns form scar tissue which helps to secure the retina to the eye's wall, preventing detachment and preserving vision.

29 services29 patients

Photography of the retina 92250

Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.

27 services27 patients

Removal of membrane of retina with removal of internal limiting membrane of retina 67042

This procedure involves the surgical removal of a thin layer, called the membrane, from the retina. It also includes the removal of the innermost layer of the retina, known as the internal limiting membrane. This can help improve vision.

21 services21 patients

New patient complete exam of visual system 92004

A new patient complete exam of the visual system is a thorough evaluation of your eyes and vision. It checks for any potential issues and assesses overall eye health. It includes tests for visual acuity, eye movement, and light response.

17 services17 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Wills Eye Hospital

Acute Care Hospitals · Philadelphia, PA

OwnershipVoluntary non-profit - Private

CMS Certification Number390331

Location840 Walnut StreetPhiladelphia, PA 19107 · Philadelphia County

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19462 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

$137.17 typical visit price

range $59.88 – $180.99

Typical copayment $34.29 (range $14.97 – $45.24)

Most-billed visit code 99204

Established Patient

$74.47 typical visit price

range $19.30 – $147.29

Typical copayment $18.61 (range $4.82 – $36.82)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

99.95/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

99.94

Improvement Activities

Other Providers at the Same Location NPPES 20

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

MITCHELL S. FINEMAN MD

Ophthalmology

4060 BUTLER PIKE, SUITE 200
PLYMOUTH MEETING, PA 19462

Montgomery County (800) 331-6634

RICHARD S KAISER MD

Ophthalmology

4060 BUTLER PIKE, SUITE 200
PLYMOUTH MEETING, PA 19462

Montgomery County (800) 331-6634

DR. LOV K SARIN M.D.

Ophthalmology

4060 BUTLER PIKE, SUITE 200
PLYMOUTH MEETING, PA 19462

Montgomery County (800) 331-6634

PHILIP A KOSVITCH O.D.

Optometrist

4060 BUTLER PIKE, SUITE 100
PLYMOUTH MEETING, PA 19462

Montgomery County (215) 836-1290

OMESH PARKASH GUPTA MD

Ophthalmology

4060 BUTLER PIKE, SUITE 200
PLYMOUTH MEETING, PA 19462

Montgomery County (800) 331-6634

MICHAEL ADRIAN KLUFAS M.D.

Ophthalmology

4060 BUTLER PIKE, STE 200
PLYMOUTH MEETING, PA 19462

Montgomery County (800) 331-6634

GARY C. BROWN MD

Ophthalmology

4060 BUTLER PIKE, SUITE 200
PLYMOUTH MEETING, PA 19462

Montgomery County (800) 331-6634

THORP BAILEY WEBER EYE ASSOCIATES, LTD.

Optometrist

4060 BUTLER PIKE, SUITE 100
PLYMOUTH MEETING, PA 19462

Montgomery County (215) 836-1290

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 Allen Chiang's NPI number?

The NPI number for Allen Chiang is 1326212960. It was assigned to this individual provider in the NPPES registry on April 15, 2008.

Where is Allen Chiang located?

Allen Chiang practices at 4060 Butler Pike Suite 200, Plymouth Meeting, PA 19462. The listed phone number is (800) 331-6634.

What is Allen Chiang's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Allen Chiang enrolled in Medicare?

Yes. Allen Chiang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Allen Chiang accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Allen Chiang as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Allen Chiang affiliated with any hospitals?

According to CMS data, Allen Chiang is affiliated with Wills Eye Hospital.

When was this NPI record last updated?

The NPPES record for Allen Chiang was last updated on May 6, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.