Manish Mammen, MD

Medicare activity in 2024

Official CMS public-use data for Manish Mammen, 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.

Most frequent services

1. Low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml (Q9966)713 services
2. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)695 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)411 services
4. Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes (99305)397 services
5. Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)341 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 blood pressure75%
• High cholesterol75%
• Arthritis72%
• Diabetes66%
• Depression52%
• Ischemic heart disease50%

Hospitals where Manish Mammen works

Medicare's Facility Affiliation Data lists Manish Mammen 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.

• Mercy Medical CenterRockville Centre, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330259

Practice locations

Addresses where Manish Mammen is enrolled with Medicare (CMS data updated October 2, 2026).

• 100 N Village AveRockville Centre, NY 11570 (516) 705‑6448
• 1000 N Village AveRockville Center, NY 11570 (516) 466‑3001
• 1615 Northern BlvdManhasset, NY 11030
• 1615 Northern Blvd, Gr1Manhasset, NY 11030 (516) 888‑7614
• 970 Wellwood AveLindenhurst, NY 11757 (516) 888‑7614

Group practices

Medicare enrollment lists Manish Mammen as a member of these groups (CMS data updated October 2, 2026).

• KM Rehabilitation Physicians PLLC5 clinicians in the group
• Interventional Physical Medicine and Rehab of New York PLLC4 clinicians in the group

Specialties

• Physical Medicine and Rehabilitationprimary
• Pain Managementalso

Find other Physical Medicine and Rehabilitation doctors in New York →

Other rehabilitation doctors in Rockville Centre

Clinicians with the same Medicare primary specialty in Rockville Centre, NY — not a recommendation.

• Kunal D. Oak, DO
• Luis F. Cruz, MD
• William J. Gibbs Jr., MD

All rehabilitation doctors in Rockville Centre →

Other clinicians in KM Rehabilitation Physicians PLLC

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

• Kunal D. Oak, DO
• Peter D. Spurrell
• Pawandeep Singh, DO

Clinician information

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