Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Physical Medicine and Rehabilitation

Stacy S. Gross, MD

Works at hospitals in Cortlandt Manor, NY · Mount Kisco, NY · Sleepy Hollow, NY … · New York

Summary

Dr. Stacy S. Gross, MD is a rehabilitation doctor at 90 S Bedford Rd, Mount Kisco, NY 10549. Phone: (914) 241-1050. Accepts Medicare assignment. In 2024, Stacy S. Gross had 658 Original Medicare patients and 5,152 services. NPI 1437295151. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Stacy S. Gross, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Stacy S. Gross accept Medicare assignment?
Yes. Medicare's clinician data says Stacy S. Gross accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Stacy S. Gross see?
In 2024, CMS data shows 658 Original Medicare patients and 5,152 services for Stacy S. Gross. This counts Original Medicare only and measures volume, not quality.
What is Stacy S. Gross's NPI number?
1437295151. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Stacy S. Gross, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients658
Services billed to Medicare5,152
Different services or procedures35
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg (J7325)1,024 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)578 services
  3. Injection, methylprednisolone acetate, 1 mg (J1010)481 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)302 services
  5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)235 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure66%
  • Arthritis65%
  • Ischemic heart disease32%
  • Osteoporosis30%
  • Anxiety26%

Hospitals where Stacy S. Gross works

Medicare's Facility Affiliation Data lists Stacy S. Gross at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Hudson Valley Hospital CenterCortlandt Manor, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330267
  • Northern Westchester HospitalMount Kisco, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330162
  • Phelps HospitalSleepy Hollow, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330261
  • Putnam Hospital CenterCarmel, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330273

Practice locations

Addresses where Stacy S. Gross is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Stacy S. Gross as a member of this group (CMS data updated October 2, 2026).

  • Optum Medical Care PC1,010 clinicians in the group

Specialties

Find other Physical Medicine and Rehabilitation doctors in New York →

Other rehabilitation doctors in Mount Kisco

Clinicians with the same Medicare primary specialty in Mount Kisco, NY — not a recommendation.

All rehabilitation doctors in Mount Kisco →

Other clinicians in Optum Medical Care PC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2001 (25 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1437295151
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians