DR. MICHAEL L INNERFIELD MD
NPI 1366528739
Internal Medicine - Interventional Cardiology in West Nyack, NY
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
Specialties & Licenses 2
Other Identifiers 1
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.
Medicare Billing Reassignments
7Medicare 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.
Valhalla, NY 10595
- Reassigned Medicare billing, New York enrollment
- 1,663 clinicians in this Medicare group
Warwick, NY 10990
- Reassigned Medicare billing, New York enrollment
- 176 clinicians in this Medicare group
Middletown, NY 10941
- Reassigned Medicare billing, New Jersey and New York enrollments
- 2 clinicians in this Medicare group
Washington, NJ 07882
- Reassigned Medicare billing, New Jersey enrollment
- Medicare enrollment name: St Lukes Warren Physician Group PC
- 528 clinicians in this Medicare group
East Stroudsburg, PA 18301
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: St Lukes Physician Group Inc
- 2,851 clinicians in this Medicare group
Reinholds, PA 17569
- Reassigned Medicare billing, Pennsylvania enrollment
- 3,080 clinicians in this Medicare group
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.
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, NJNyack Hospital
Acute Care Hospitals · Nyack, NYGood Samaritan Hospital Of Suffern
Acute Care Hospitals · Suffern, NYPhysician 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.
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.
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.