1. Home
  2. Directory
  3. New York
  4. Sleepy Hollow
  5. Psychiatry Neurology
  6. NPI Profile

DR. MARK CARLIN HOMONOFF M.D.
NPI 1003934035
Psychiatry & Neurology - Neurology in Sleepy Hollow, NY

Active since March 27, 2007PECOS EnrolledAccepts Medicare Assignment
755 N BROADWAY STE 417, SLEEPY HOLLOW, NY 10591(914) 366-5330 Get Directions Write a Review

NPPES record last updated: July 7, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 7, 2022, Mar 29, 2021, Dec 18, 2020 and 2 more (5 updates tracked since 2016).

About Dr. Mark Carlin Homonoff M.d. NPPES

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

DR. MARK CARLIN HOMONOFF M.D. (NPI 1003934035) is an individual neurology provider in Sleepy Hollow, New York, licensed in New York (124360) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, is affiliated with Mount Sinai Hospital, and maintains a secondary practice location in Lafayette.

NPPES Registry Identity

NPI1003934035
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameDR. MARK CARLIN HOMONOFFCredential: M.D.
Location Address755 N BROADWAY STE 417Sleepy Hollow, NY 10591-1083
Mailing Address70 Riverside Dr Apt 6hNew York, NY 10024-5716 · (212) 580-8235
Phone(914) 366-5330
Sole ProprietorYes
Medical School CMSAlbert Einstein College Of Medicine Of Yeshiva UniversityGraduated 1974
Enumeration DateMarch 27, 2007
Last NPPES UpdateJuly 7, 20225 updates tracked since enumeration
NPPES CertifiedJuly 7, 2022
✔ NPI 1003934035 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
Licenses✔ Licensed in NY · 124360✔ Licensed in FL · TPME235✔ Licensed in KY · 54443✔ Licensed in GA · 86476✔ Licensed in AZ · 60855✔ Licensed in IN · 01084726A✔ Licensed in NC · 2020-03485✔ Licensed in VA · 0101268461✔ Licensed in CA · G137693✔ Licensed in TX · Q8908
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
755 N BROADWAY STE 417, Sleepy Hollow, NY 10591
Open in Google Maps ↗

Secondary Practice Location 1

Location 11701 S Creasy LnLafayette, IN 47905-4972 · Phone (765) 502-4400 · Fax (765) 502-4401

Other Identifiers 1

Medicaid01761100NY

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

Dr. Mark Carlin Homonoff M.d. 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 ID3274791199
PECOS Enrollment IDI20120223000750
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 3

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.
74 services45 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.
58 services35 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.
38 services38 patients

Hospital Affiliations CMS Care Compare 2

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

Mount Sinai Hospital

Acute Care Hospitals · New York, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330024
LocationOne Gustave L Levy PlaceNew York, NY 10029 · New York County
Emergency services Birthing friendly

Mount Sinai St Luke's Roosevelt Hospital

Acute Care Hospitals · New York, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330046
Location1000 Tenth AvenueNew York, NY 10019 · New York County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10591 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 2

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

MICHAEL P. BUTMAN MD
Internal Medicine (Nephrology)
755 N BROADWAY STE 417
SLEEPY HOLLOW, NY 10591
Westchester County (914) 366-5330
KANISHK DEEP SHARMA
Internal Medicine (Geriatric Medicine)
755 N BROADWAY STE 417
SLEEPY HOLLOW, NY 10591
Westchester County (914) 366-3677

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 Mark Homonoff's NPI number?

The NPI number for Mark Homonoff is 1003934035. It was assigned to this individual provider in the NPPES registry on March 27, 2007.

Where is Mark Homonoff located?

Mark Homonoff practices at 755 N Broadway Ste 417, Sleepy Hollow, NY 10591. The listed phone number is (914) 366-5330.

What is Mark Homonoff's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Mark Homonoff enrolled in Medicare?

Yes. Mark Homonoff 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 Mark Homonoff affiliated with any hospitals?

According to CMS data, Mark Homonoff is affiliated with Mount Sinai Hospital and Mount Sinai St Luke's Roosevelt Hospital.

When was this NPI record last updated?

The NPPES record for Mark Homonoff was last updated on July 7, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.