MICHAEL RISKALLA
NPI 1538628631
Internal Medicine in Newark, NJ

Q: What is Michael Riskalla's NPI number?

The NPI number for Michael Riskalla is 1538628631. It was assigned to this individual provider in the NPPES registry on March 18, 2019.

Q: What is Michael Riskalla's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Michael Riskalla was last updated on March 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 18, 2019PECOS EnrolledAccepts Medicare Assignment

201 LYONS AVE, NEWARK, NJ 07112(973) 926-7000 Get Directions Write a Review

NPPES record last updated: March 20, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 20, 2026, Apr 24, 2024, Nov 7, 2022 and 1 more (4 updates tracked since 2019).

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About Michael Riskalla NPPES

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

MICHAEL RISKALLA (NPI 1538628631) is an individual internal medicine provider in Newark, New Jersey, licensed in New Jersey (25MA12664900) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Jersey City Medical Center, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1538628631

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameMICHAEL RISKALLA

Location Address201 LYONS AVENewark, NJ 07112-2027

Mailing Address1 General StLawrence, MA 01841-2997

Phone(973) 926-7000

Sole ProprietorNo

Medical School CMSOtherGraduated 2018

Enumeration DateMarch 18, 2019

Last NPPES UpdateMarch 20, 20264 updates tracked since enumeration

NPPES CertifiedMarch 20, 2026

✔ NPI 1538628631 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in NJ · 25MA12664900

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedHospitalistTaxonomy 208M00000X · License 294844 (MA)

201 LYONS AVE, Newark, NJ 07112

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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 Riskalla 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 ID2264817428

PECOS Enrollment IDI20260520002755

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 6

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 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.

415 services199 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

203 services197 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

109 services108 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

56 services56 patients

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.

47 services27 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.

17 services16 patients

Hospital Affiliations CMS Care Compare

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

Jersey City Medical Center

Acute Care Hospitals · Jersey City, NJ

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310074

Location355 Grand StreetJersey City, NJ 07302 · Hudson County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07112 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

$144.86 typical visit price

range $63.84 – $190.92

Typical copayment $36.21 (range $15.96 – $47.73)

Most-billed visit code 99204

Established Patient

$111.57 typical visit price

range $20.97 – $155.92

Typical copayment $27.89 (range $5.24 – $38.98)

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 20

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

DR. KEITH MICHAEL SPELLMAN M.D.

Radiology (Diagnostic Radiology)

201 LYONS AVE
NEWARK, NJ 07112

Essex County (973) 926-7960

DR. LARISSA SOPHIA DUDLEY M.D.

Emergency Medicine

201 LYONS AVE, SUITE D11
NEWARK, NJ 07112

Essex County (973) 926-6671

WAQAS BARI MD

Student in an Organized Health Care Education/Training Program

201 LYONS AVE
NEWARK, NJ 07112

Essex County (800) 843-2384

ERIKA YESENIA PINEDA MD

Pediatrics (Pediatric Critical Care Medicine)

201 LYONS AVE
NEWARK, NJ 07112

Essex County (973) 926-7000

CASEY YEONJOO CHO APN

Nurse Practitioner (Acute Care)

201 LYONS AVE
NEWARK, NJ 07112

Essex County (973) 926-6938

KARLINA NGUYEN PA-C

Physician Assistant

201 LYONS AVE
NEWARK, NJ 07112

Essex County (973) 926-7000

GARY LAYTON DDS

Student in an Organized Health Care Education/Training Program

201 LYONS AVE
NEWARK, NJ 07112

Essex County (973) 926-7642

DR. ALEXIS LORDI MD

Student in an Organized Health Care Education/Training Program

201 LYONS AVE
NEWARK, NJ 07112

Essex County (973) 900-4855

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 Michael Riskalla's NPI number?

The NPI number for Michael Riskalla is 1538628631. It was assigned to this individual provider in the NPPES registry on March 18, 2019.

Where is Michael Riskalla located?

Michael Riskalla practices at 201 Lyons Ave, Newark, NJ 07112. The listed phone number is (973) 926-7000.

What is Michael Riskalla's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Michael Riskalla enrolled in Medicare?

Yes. Michael Riskalla 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.

Is Michael Riskalla affiliated with any hospitals?

According to CMS data, Michael Riskalla is affiliated with Jersey City Medical Center.

When was this NPI record last updated?

The NPPES record for Michael Riskalla was last updated on March 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.