MICHAEL ASHAMALLA
NPI 1427589423
Internal Medicine - Gastroenterology in Syosset, NY

Q: What is Michael Ashamalla's NPI number?

The NPI number for Michael Ashamalla is 1427589423. It was assigned to this individual provider in the NPPES registry on March 22, 2017.

Q: What is Michael Ashamalla'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 Michael Ashamalla was last updated on March 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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 March 22, 2017PECOS EnrolledAccepts Medicare Assignment

121 EILEEN WAY, SYOSSET, NY 11791(516) 584-6400 Get Directions Write a Review

NPPES record last updated: March 4, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 4, 2025, Mar 22, 2017 (2 updates tracked since 2017).

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About Michael Ashamalla NPPES

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

MICHAEL ASHAMALLA (NPI 1427589423) is an individual gastroenterology provider in Syosset, New York, licensed in New York (304554) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, is affiliated with North Shore University Hospital, and is a graduate of Albany Medical College Of Union University (2017).

NPPES Registry Identity

NPI1427589423

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameMICHAEL ASHAMALLA

Location Address121 EILEEN WAYSyosset, NY 11791-5302

Mailing Address300 Community DrManhasset, NY 11030-3816

Phone(516) 584-6400

Sole ProprietorYes

Medical School CMSAlbany Medical College Of Union UniversityGraduated 2017

Enumeration DateMarch 22, 2017

Last NPPES UpdateMarch 4, 20252 updates tracked since enumeration

NPPES CertifiedMarch 4, 2025

✔ NPI 1427589423 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 · 304554

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 ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

121 EILEEN WAY, Syosset, NY 11791

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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

Michael Ashamalla 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 ID2466875067

PECOS Enrollment IDI20200714002889

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 7

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

299 services117 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

234 services60 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

139 services72 patients

Advance care planning, first 30 minutes 99497

Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.

96 services95 patients

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

68 services68 patients

Critical care, each additional 30 minutes 99292

Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.

53 services32 patients

Hospital Affiliations CMS Care Compare 2

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

North Shore University Hospital

Acute Care Hospitals · Manhasset, NY

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330106

Location300 Community DriveManhasset, NY 11030 · Nassau County

Emergency services Birthing friendly

Plainview Hospital

Acute Care Hospitals · Plainview, NY

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330331

Location888 Old Country RoadPlainview, NY 11803 · Nassau County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11791 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

$154.28 typical visit price

range $67.40 – $203.53

Typical copayment $38.57 (range $16.85 – $50.88)

Most-billed visit code 99204

Established Patient

$117.62 typical visit price

range $21.66 – $164.45

Typical copayment $29.40 (range $5.41 – $41.11)

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 10

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

HALEY ANN WIPPER PA-C

Physician Assistant (Medical)