DR. CHIEN CHIANG M.D.
NPI 1255341723
Internal Medicine - Gastroenterology in New York, NY

Q: What is Chien Chiang's NPI number?

The NPI number for Chien Chiang is 1255341723. It was assigned to this individual provider in the NPPES registry on August 8, 2006. The provider is also known as Dr. Chien Eugene Chiang M.D..

Q: What is Chien Chiang's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Chien Chiang was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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 August 08, 2006PECOS EnrolledAccepts Medicare AssignmentCLIA 33D0882928 · Waiver

109 LAFAYETTE ST, SUITE 701, NEW YORK, NY 10013(212) 941-7856(212) 941-8951 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 23, 2026.

On this page

About Dr. Chien Chiang M.d. NPPES

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

DR. CHIEN CHIANG M.D. (NPI 1255341723) is an individual gastroenterology provider in New York, New York, licensed in New York (177439) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through February 18, 2028, and is a graduate of State University Of New York At Stony Brook, School Of Medicine (1987).

NPPES Registry Identity

NPI1255341723

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. CHIEN CHIANGCredential: M.D.

Location Address109 LAFAYETTE ST, SUITE 701New York, NY 10013-4154

Mailing Address109 Lafayette St, Suite 701New York, NY 10013-4154 · (212) 941-7856 · Fax (212) 941-8951

Phone(212) 941-7856

Fax(212) 941-8951

Sole ProprietorYes

Medical School CMSState University Of New York At Stony Brook, School Of MedicineGraduated 1987

Enumeration DateAugust 8, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1255341723 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in NY · 177439

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.

109 LAFAYETTE ST, New York, NY 10013

Open in Google Maps ↗

Other Names 1

Other Name (5)Dr. Chien Eugene Chiang M.d.

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. Chien 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 ID7315107828

PECOS Enrollment IDI20120320000947

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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 33D0882928

Chien Kuo Chiang MD PC · New York, NY

Active · expires Feb 18, 2028

CLIA Number33D0882928

Laboratory TypePhysician Office

Certificate Effective DateFebruary 19, 2026

Certificate Expiration DateFebruary 18, 2028

Laboratory DirectorDr. Chien K. Chiang

Laboratory Phone(212) 941-7856

Laboratory LocationChien Kuo Chiang MD PC109 Lafayette Street Room 701, New York, NY 10013

CLIA data matches this NPI record on: Address Phone

This certificate is issued to a laboratory to perform only waived tests.

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.

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.

305 services84 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.

188 services82 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

80 services77 patients

Test to measure expiratory airflow and volume 94010

This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.

72 services71 patients

Test for hearing various pitches using earphone 92552

This is a hearing test where earphones are worn to detect different pitch levels. Sounds of various frequencies are played, and you indicate when you hear them. This helps evaluate your hearing ability. It's safe, comfortable, and non-invasive.

70 services70 patients

Test to assess middle ear muscle reflex 92568

A test to assess middle ear muscle reflex evaluates how well the tiny muscles in your ear respond to loud sounds. This can help identify hearing issues or nerve problems. The process is non-invasive and painless.

70 services70 patients

Smoking and tobacco use intensive counseling, 4-10 minutes 99406

This service provides brief, intensive counseling (4-10 minutes) to support you in quitting smoking or tobacco use. It involves discussing the risks of tobacco use, benefits of quitting, and strategies to help you stop. It's a critical step towards a healthier lifestyle.

69 services69 patients

Stool analysis for blood to screen for colon tumors 82270

A stool analysis for blood is a non-invasive procedure used to check for the presence of hidden blood in your stool. This can be an early sign of colon tumors. The test involves collecting a small sample of stool at home and sending it to a lab for analysis.

67 services67 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

63 services63 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

57 services41 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.

47 services38 patients

Injection of drug or substance into vein 96374

This procedure involves introducing a medication or substance directly into your vein using a syringe. It's a quick and efficient way to deliver treatment throughout your body. You might feel a small prick when the needle enters. It's generally safe and effective.

42 services31 patients

Administration of vaccine 90471

Administering a vaccine involves injecting a small, safe piece of a virus or bacteria into your body. This triggers your immune system to recognize and fight off the disease in the future. It's a vital tool in preventing serious illnesses and maintaining public health.

38 services27 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.

25 services24 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

18 services16 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

16 services16 patients

Limited ultrasound scan behind abdominal cavity 76775

A limited ultrasound scan behind the abdominal cavity is a non-invasive imaging method that helps visualize structures in the back of your abdomen. This procedure uses sound waves to create pictures of these areas, assisting in diagnosing certain conditions.

14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10013 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

$150.24 typical visit price

range $65.69 – $198.19

Typical copayment $37.56 (range $16.42 – $49.54)

Most-billed visit code 99204

Established Patient

$114.88 typical visit price

range $21.20 – $160.66

Typical copayment $28.72 (range $5.30 – $40.16)

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.

Other Providers at the Same Location NPPES 11

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

RAYMOND FONG M.D., P.C.

Ophthalmology

109 LAFAYETTE ST, FL 4
NEW YORK, NY 10013

New York County (212) 274-1900

RAYMOND FONG MD, PC

Ophthalmology

109 LAFAYETTE ST, SUITE 502
NEW YORK, NY 10013

New York County (212) 274-1900

DR. WING O TSANG M.D.

Internal Medicine

109 LAFAYETTE ST, SUITE 806
NEW YORK, NY 10013

New York County (212) 219-7797

DR. DAVID YIP O.D.

Optometrist

109 LAFAYETTE ST, FL 4
NEW YORK, NY 10013

New York County (212) 274-1900

DR. MARY CHEN O.D.

Optometrist

109 LAFAYETTE ST, 4TH FLOOR
NEW YORK, NY 10013

New York County (212) 274-1900

MR. BO HUANG L.AC

Acupuncturist

109 LAFAYETTE ST, SUITE 807
NEW YORK, NY 10013

New York County (212) 625-3598

RAYMOND FONG MD, PC

Eyewear Supplier

109 LAFAYETTE ST, 4TH FLOOR
NEW YORK, NY 10013

New York County (212) 274-1900

DR. RAYMOND FONG M.D.

Ophthalmology

109 LAFAYETTE ST, 4TH FLOOR
NEW YORK, NY 10013

New York County (212) 274-1900

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 Chien Chiang's NPI number?

The NPI number for Chien Chiang is 1255341723. It was assigned to this individual provider in the NPPES registry on August 8, 2006. The provider is also known as Dr. Chien Eugene Chiang M.D..

Where is Chien Chiang located?

Chien Chiang practices at 109 Lafayette St Suite 701, New York, NY 10013. The listed phone number is (212) 941-7856.

What is Chien Chiang's specialty?

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

Is Chien Chiang enrolled in Medicare?

Yes. Chien 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.

Does Chien Chiang hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 33D0882928) is associated with this NPI, valid through February 18, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Chien Chiang was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.

About Dr. Chien Chiang M.d. NPPES

NPPES Registry Identity

Specialties & Licenses

Other Names 1

Medicare Participation & PECOS CMS

Medicare Enrollment Status

CLIA Laboratory Certificates CMS CLIA

Certificate of Waiver · 33D0882928

Areas of Expertise CMS Part B claims 17

Physician Visit Costs CMS claims · ZIP area

Other Providers at the Same Location NPPES 11

Frequently Asked Questions NPPES & CMS

What is Chien Chiang's NPI number?

Where is Chien Chiang located?

What is Chien Chiang's specialty?

Is Chien Chiang enrolled in Medicare?

Does Chien Chiang hold a CLIA laboratory certificate?

When was this NPI record last updated?

Certificate of Waiver 33D0882928