Dr. Manish Mammen, M.D.
What this data tells you about Dr. Mammen
Dr. Manish Mammen is a physical medicine & rehabilitation specialist in New York, NY, with 15 years of NPI registration. Based on federal Medicare data, Dr. Mammen performed 3,830 Medicare services across 1,518 unique beneficiaries.
Between the years covered by Open Payments, Dr. Mammen received a total of $4,994 from 27 pharmaceutical and/or device companies across 122 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in physical medicine & rehabilitation. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Mammen is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Nursing facility visit, low complexity A daily follow-up visit for an existing patient in a nursing facility involving straightforward medical decision making. The visit requires at least 15 minutes of time if time is used to determine the level of care. |
1,092 | $64 | $194 |
| Steroid injection (triamcinolone) A 10 mg injection of triamcinolone acetonide, a corticosteroid medication. This code specifies the drug and dosage administered. |
656 | $1 | $10 |
| Initial nursing facility care, moderate complexity Initial care provided to a patient in a nursing facility with moderate medical decision making, taking at least 35 minutes. |
531 | $119 | $220 |
| Contrast dye for imaging, lower concentration | 491 | $0 | $5 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
316 | $69 | $203 |
| Dexamethasone injection (steroid) An injection of dexamethasone sodium phosphate, a corticosteroid medication, administered in a dose of 1 milligram. |
230 | $0 | $14 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
90 | $153 | $284 |
| Ultrasound-guided large joint aspiration or injection This procedure uses ultrasound imaging to guide the removal of fluid from or the injection of medication into a large joint. |
67 | $107 | $492 |
| Nursing facility visit, established patient, straightforward A follow-up visit by a healthcare provider at a nursing facility for an established patient. The visit involves straightforward medical decision making and lasts at least 10 minutes. |
42 | $36 | $59 |
| Injection into lower spine canal with imaging guidance A procedure where a substance is injected into the lower part of the spinal canal. The injection is performed using imaging guidance to ensure accurate placement. |
41 | $247 | $927 |
| Initial nursing facility care, high complexity An initial visit by a healthcare provider to a patient in a nursing facility involving a high level of medical decision making, lasting at least 45 minutes. |
35 | $150 | $299 |
| Facet joint nerve destruction, single joint A procedure to destroy nerves in a single lower or sacral spinal facet joint using imaging guidance to target pain signals. |
32 | $419 | $1,566 |
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
32 | $111 | $255 |
| Joint injection, major joint Removal of fluid from a large joint and/or injection of medication into the joint space. |
29 | $52 | $269 |
| Facet joint nerve destruction, additional joint This procedure uses imaging guidance to destroy nerves in an additional lower or sacral spinal facet joint. |
28 | $232 | $1,379 |
| Trigger point injection, 3 or more muscles Injection of medication into three or more specific muscle trigger points to relieve pain. |
25 | $59 | $315 |
| Sacral spine nerve root injection with imaging guidance An injection of anesthetic and/or steroid medication into a sacral spine nerve root. The procedure uses imaging guidance to ensure accurate placement. |
25 | $253 | $1,048 |
| Initial nursing facility care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 21 | $72 | $301 |
| Spine facet joint injection with imaging guidance, single level An injection is administered into a single facet joint of the lower or sacral spine while using imaging guidance to ensure accurate placement. |
20 | $187 | $1,122 |
| Additional sacral spine nerve root injection with imaging An injection of anesthetic and/or steroid medication into an additional sacral spine nerve root level, guided by imaging. |
14 | $106 | $551 |
| Destruction of nerve branches of knee using imaging guidance | 13 | $371 | $4,330 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
All-time payments by company (2018-2024) ›
Associated products mentioned in payments ›
Most payments (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians. Total industry engagement is in the top 9% for physical medicine & rehabilitation in NY.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Mammen is a mixed practice specialist, with above-average Medicare volume (top 18% in NY), with low-engagement industry engagement in the top 9% of NY peers, with 15 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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