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DR. MAKOTO IWAHARA M.D.
NPI 1366627143
Internal Medicine - Gastroenterology in New York, NY

Active since December 30, 2007PECOS Enrolled
120 E 79TH ST, SUITE 1C, NEW YORK, NY 10075(212) 879-2328(212) 879-1933 Get Directions Write a Review

NPPES record last updated: April 18, 2008. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. Makoto Iwahara M.d. NPPES

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

DR. MAKOTO IWAHARA M.D. (NPI 1366627143) is an individual gastroenterology provider in New York, New York, licensed in New York (147656) and active in the NPI registry since December 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1980).

NPPES Registry Identity

NPI1366627143
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. MAKOTO IWAHARACredential: M.D.
Location Address120 E 79TH ST, SUITE 1CNew York, NY 10075-0319
Mailing Address120 E 79th St, Suite 1cNew York, NY 10075-0319 · (212) 879-2328 · Fax (212) 879-1933
Phone(212) 879-2328
Fax(212) 879-1933
Sole ProprietorYes
Medical School CMSOtherGraduated 1980
Enumeration DateDecember 30, 2007
Last NPPES UpdateApril 18, 2008
✔ NPI 1366627143 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 · 147656
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 147656 (NY)
120 E 79TH ST, New York, NY 10075
Open in Google Maps ↗

Other Identifiers 2

Medicare UPINB14383NY
Medicare PIN42D421NY

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Makoto Iwahara M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3971683111
PECOS Enrollment IDI20071231000279
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 for Provider-Performed Microscopy Procedures (PPMP) 33D0130125

Makoto Iwahara MD PC · New York, NY
Expired · Apr 14, 2026
CLIA Number33D0130125
Laboratory TypePhysician Office
Certificate Effective DateApril 15, 2024
Certificate Expiration DateApril 14, 2026
Laboratory DirectorMakoto Iwahara
Laboratory Phone(212) 879-2328
Laboratory LocationMakoto Iwahara MD PC120 East 79th Street, New York, NY 10075
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 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, 20-29 minutes 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.
145 services95 patients
Established patient office or other outpatient visit, 30-39 minutes 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.
55 services41 patients
New patient office or other outpatient visit, 30-44 minutes 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
44 services44 patients
Influenza vaccine, quadrivalent, preservative free, 0.5 ml dosage 90686
The quadrivalent influenza vaccine is a shot to protect you from four different flu viruses. It's preservative-free and given in a 0.5 ml dose. It helps your body build immunity to the flu, reducing your risk of getting sick.
35 services33 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
35 services33 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.
30 services29 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10075 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 3

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

MAKOTO IWAHARA, MD, PC
Specialist
120 E 79TH ST, SUITE 1C
NEW YORK, NY 10075
New York County (212) 879-2328
SEARINGTOWN ANESTHESIA PC
Specialist
120 E 79TH ST, 1C
NEW YORK, NY 10075
New York County (516) 509-5552
PARK HILL AMBULATAORY ANESTHESIOLOGY SERVICES OF NEW YORK, P.C.
Anesthesiology
120 E 79TH ST
NEW YORK, NY 10075
New York County (212) 879-1705

Frequently Asked Questions

What is Makoto Iwahara's NPI number?

The NPI number assigned to this healthcare provider is 1366627143, enumerated as an "individual" on December 30, 2007.

Where is the provider located?

The provider is located at 120 E 79TH ST SUITE 1C NEW YORK, NY 10075 and the phone number is (212) 879-2328.

What is the provider's specialty?

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.

What insurance does Makoto Iwahara accept?

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.