Michael Simon Littner, PA-C
- Part D claims, 2024
- 963
- Industry payments
- $1,650
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 5550 Merrick Rd, Massapequa, NY 11758
- Practice phone
- Call (631) 673-3233
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Evolve Psychiatry
Massapequa, New York
Find Michael Littner's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Michael Simon Littner is a physician assistant in Massapequa, New York
Michael Littner practices at Evolve Psychiatry in Massapequa, New York.
Michael Littner's NPI, 1184071649, was assigned on May 15, 2016. Michael Littner holds New York license 020222-1.
- NPI
- 1184071649NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6002254240
- NPI enumeration date
- May 15, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (631) 673-3233
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Michael Simon Littner practices at Evolve Psychiatry in Massapequa, New York
Michael Littner's primary practice is Evolve Psychiatry, at 5550 Merrick Rd, Massapequa, NY 11758 in Nassau County. The practice phone is (631) 673-3233.
- Evolve Psychiatry5550 Merrick Rd, Massapequa, NY 11758 · Nassau CountyPhone(631) 673-3233
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Michael Simon Littner is affiliated with 2 sites of care and 1 medical group
Michael Littner's primary practice is Evolve Psychiatry in Massapequa, New York. The medical group on file is Evolve Psychiatry. Dmand AI also links Michael Littner to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Michael Simon Littner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Michael Littner practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Evolve Psychiatry | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Michael Simon Littner is one of 11,456 physician assistants in New York
Physician assistant is Michael Littner's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Michael Littner is licensed in New York.
Specialties and state licenses
- Physician assistant, New YorkPrimary
Physician assistants near Michael Littner
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Michael Simon Littner's patients have a median age of 33
Across all payers, Dmand AI patient panel data puts Michael Littner's median patient age at 33, with 50% women.
Michael Littner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 33
Patient panel by sex, all payers
- Women50%
- Men47%
Source: Dmand AI Patient Panel Data
Michael Simon Littner wrote 963 Medicare Part D claims in 2024
In 2024, Michael Littner wrote 963 Medicare Part D claims for 81 patients. 90% of them were for generic drugs.
Michael Littner's Part D claims by kind of drug, 2024
- Generic865 claims90%
- Brand-name98 claims10%
Drug classes CMS tracks in Michael Littner's Part D claims, 2024
- Antipsychotics, patients 65 and over8%78 of 963 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Michael Simon Littner offers telehealth to Medicare patients
Michael Littner accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Michael Littner as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
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Michael Simon Littner received $1,650 in industry payments in 2025
CMS Open Payments shows 85 general payments to Michael Littner from 16 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. ITI, Inc. paid the most, $313.
Companies that paid Michael Littner the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Michael Simon Littner's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Michael Simon Littner
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What is Michael Simon Littner's NPI number?
Michael Simon Littner's NPI number is 1184071649. It was assigned on May 15, 2016, and it is active in the NPI Registry.
What does Michael Simon Littner specialize in?
Michael Simon Littner is a physician assistant in Massapequa, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Michael Simon Littner practice?
Michael Littner practices at 5550 Merrick Rd, Massapequa, NY 11758. Michael Littner's primary practice is Evolve Psychiatry in Massapequa, New York. Dmand AI also links Michael Littner to 1 group practice or clinic.
What is Michael Simon Littner's office phone number?
The practice phone on file for Michael Littner is (631) 673-3233.
What is Michael Simon Littner's medical license number?
Michael Littner holds New York license 020222-1.
What medical group is Michael Simon Littner part of?
Michael Littner is linked to Evolve Psychiatry.
Does Michael Simon Littner accept Medicare?
Yes. CMS lists Michael Littner as accepting Medicare assignment.
Does Michael Simon Littner offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Michael Littner as offering telehealth services.
Has Michael Simon Littner received payments from drug or device companies?
CMS Open Payments shows $1,650 in general payments to Michael Littner from 16 companies from 2025 to 2025. The largest total came from ITI, Inc.
How long has Michael Simon Littner been practicing?
Michael Littner graduated from medical school in 2016, 10 years ago.
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