DR. MICHAEL L INNERFIELD MD
NPI 1366528739
Internal Medicine - Interventional Cardiology in West Nyack, NY

Active since October 28, 2006PECOS EnrolledAccepts Medicare Assignment
2 CENTEROCK RD, WEST NYACK, NY 10994(845) 703-6999(845) 703-6297 Get Directions Write a Review

NPPES record last updated: September 22, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 22, 2020, Mar 28, 2017, Jan 27, 2017 and 2 more (5 updates tracked since 2016).

About Dr. Michael L Innerfield Md NPPES

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

DR. MICHAEL L INNERFIELD MD (NPI 1366528739) is an individual interventional cardiology provider in West Nyack, New York, licensed in New York (151314) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Englewood Hospital And Medical Center, and is a graduate of New York Medical College (1981).

NPPES Registry Identity

NPI1366528739
Entity TypeIndividualMale
Primary Taxonomy207RI0011X
Provider Legal NameDR. MICHAEL L INNERFIELDCredential: MD
Location Address2 CENTEROCK RDWest Nyack, NY 10994-2215
Mailing Address155 Crystal Run RdMiddletown, NY 10941-4028 · (845) 703-6999 · Fax (845) 703-6297
Fax(845) 703-6297
Sole ProprietorNo
Medical School CMSNew York Medical CollegeGraduated 1981
Enumeration DateOctober 28, 2006
Last NPPES UpdateSeptember 22, 20205 updates tracked since enumeration
NPPES CertifiedSeptember 22, 2020
✔ NPI 1366528739 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Interventional CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RI0011X
License✔ Licensed in NY · 151314
Definition
An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License 151314 (NY)
2 CENTEROCK RD, West Nyack, NY 10994

Other Identifiers 1

Medicaid01073707NY

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Michael L Innerfield Md 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 ID3274567201
PECOS Enrollment IDI20050920000640, I20070612000600
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.

Medicare Billing Reassignments

7

Medicare enrollment records show Michael Innerfield reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesiology
100 WOODS RD, TAYLOR PAVILION - ROOM M229
Valhalla, NY 10595
  • Reassigned Medicare billing, New York enrollment
  • 1,663 clinicians in this Medicare group
Internal Medicine
20 GRAND ST, 3RD FLOOR
Warwick, NY 10990
  • Reassigned Medicare billing, New York enrollment
  • 176 clinicians in this Medicare group
General Practice
155 CRYSTAL RUN RD
Middletown, NY 10941
  • Reassigned Medicare billing, New Jersey and New York enrollments
  • 2 clinicians in this Medicare group
Podiatrist
315 STATE ROUTE 31 S
Washington, NJ 07882
  • Reassigned Medicare billing, New Jersey enrollment
  • Medicare enrollment name: St Lukes Warren Physician Group PC
  • 528 clinicians in this Medicare group
Internal Medicine
125 SMITHFIELD LN
East Stroudsburg, PA 18301
  • Reassigned Medicare billing, Pennsylvania enrollment
  • Medicare enrollment name: St Lukes Physician Group Inc
  • 2,851 clinicians in this Medicare group
Primary Care
30 W SWARTZVILLE RD
Reinholds, PA 17569
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 3,080 clinicians in this Medicare group
Surgery
612 WEST GORDON STREET, SUITE E
Thomaston, GA 30286
  • Reassigned Medicare billing, Georgia enrollment
  • 36 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 31

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 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.
1,175 services494 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.
655 services461 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.
331 services208 patients
Blood test, comprehensive group of blood chemicals 80053
A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.
241 services174 patients
Blood test, lipids (cholesterol and triglycerides) 80061
A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.
232 services172 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
208 services157 patients

Hospital Affiliations CMS Care Compare 3

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

Englewood Hospital And Medical Center

Acute Care Hospitals · Englewood, NJ
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310045
Location350 Engle StEnglewood, NJ 07631 · Bergen County
Emergency services Birthing friendly

Nyack Hospital

Acute Care Hospitals · Nyack, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number330104
Location160 North Midland AvenueNyack, NY 10960 · Rockland County
Birthing friendly

Good Samaritan Hospital Of Suffern

Acute Care Hospitals · Suffern, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number330158
Location255 Lafayette AvenueSuffern, NY 10901 · Rockland County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10994 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 20

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

Psychiatry & Neurology (Neurology)
2 CENTEROCK RD
WEST NYACK, NY 10994
Obstetrics & Gynecology
2 CENTEROCK RD
WEST NYACK, NY 10994
Internal Medicine (Cardiovascular Disease)
2 CENTEROCK RD
WEST NYACK, NY 10994
Internal Medicine (Gastroenterology)
2 CENTEROCK RD
WEST NYACK, NY 10994
Internal Medicine (Clinical Cardiac Electrophysiology)
2 CENTEROCK RD
WEST NYACK, NY 10994
Physician Assistant (Medical)
2 CENTEROCK RD
WEST NYACK, NY 10994
Genetic Counselor, MS
2 CENTEROCK RD
WEST NYACK, NY 10994
Radiology (Diagnostic Radiology)
2 CENTEROCK RD
WEST NYACK, NY 10994

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 Innerfield's NPI number?

The NPI number for Michael Innerfield is 1366528739. It was assigned to this individual provider in the NPPES registry on October 28, 2006.

Where is Michael Innerfield located?

Michael Innerfield practices at 2 Centerock Rd, West Nyack, NY 10994. The listed phone number is (845) 703-6999.

What is Michael Innerfield's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Is Michael Innerfield enrolled in Medicare?

Yes. Michael Innerfield 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.

Which organizations bill Medicare for Michael Innerfield's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Innerfield reassigns Medicare benefits to 7 organizations: Westchester Medical Center Advanced Physician Services PC (Valhalla, NY), Bon Secours Charity Health System Medical Group, P.C. (Warwick, NY), Crystal Run Healthcare Physicians LLP (Middletown, NY), St. Luke's Warren Physician Group, PC (Washington, NJ), St. Luke's Physician Group, Inc. (East Stroudsburg, PA) and 2 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael Innerfield's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michael Innerfield accept?

Health plans from Oscar Health list Michael Innerfield 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 Michael Innerfield affiliated with any hospitals?

According to CMS data, Michael Innerfield is affiliated with Englewood Hospital And Medical Center, Nyack Hospital and Good Samaritan Hospital Of Suffern.

When was this NPI record last updated?

The NPPES record for Michael Innerfield was last updated on September 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.