Marc Y. Wasserman, M.D.
Neurology Physician · Littleton, CO
Marc Y. Wasserman, M.D. is a neurology physician with a practice address in Littleton, Colorado, and NPI 1356340467, issued on Jul 20, 2005. Check the license (Colorado DR.0050778, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Marc Y. Wasserman
- Credential
- M.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License numbers
- DR.0050778 CO
37826 AZ
036110646 IL
Self-reported in NPPES; status is on the state search - Practice location
- 8155 Piney River Ave Ste 100, Littleton, CO 80125
- Phone
- (303) 265-3390
- Enumerated
- Jul 20, 2005
- Record last updated
- Oct 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (720) 274-0064
- Medicaid ID
- 305105 AZ
- Medicare enrollment
- Enrolled (PECOS I20120306000196); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 2000
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 396 in Colorado → Look up another NPI →
Also registered at 8155 Piney River Ave Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jillian BarkerClinical Social Worker1043155245
- Brittany Comer O'Hara, D.P.T.Physical Therapist1750729802
- Piper DunbarProfessional Counselor1629913496
- Cindy Galpern, DPT, OCSOrthopedic Physical Therapist1619502911
- Madeline GarzaNeurology Physician1992200240
- Terri-Ellen Kiernan, NPFamily Nurse Practitioner1104018274
Verify Marc Y. Wasserman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0050778Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% fewer Medicare Part D claims than the average neurology physician in 2024
1,203 Medicare Part D claims for 272 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 23 claims were for opioids.
Most prescribed
- Donepezil Hcl239 claims
- Memantine Hcl126 claims
- Gabapentin79 claims
- Carbidopa-Levodopa52 claims
- Duloxetine Hcl51 claims
- Propranolol Hcl50 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,007.74
35 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Poudre Valley Medical Group LLCLittleton, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marc Y. Wasserman among 396 neurology physician records in Colorado
Marc Y. Wasserman, M.D. is one of 396 neurology physician records with a practice address in Colorado. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2000 · median 2010 among the 275 with a school on file
- Record last updated2021 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Colorado
There are 396 neurology physician records in Colorado.
All 396 in Colorado → Every provider in Littleton → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Madeline GarzaLittleton, CO 801251992200240
- Amelia Barrett, MDLone Tree, CO 801241790802254
- Rotem Elgavish, MD, PHDLone Tree, CO 801241437366473
- Jeffrey Ferrier, MDLone Tree, CO 801241942761994
- Simon Izaguirre, MDLone Tree, CO 801241891255881
- Daniel Kitei, D.O.Lone Tree, CO 801241558560946
- Nathan Kung, MDLone Tree, CO 801241093000960
- Samantha Lorusso, M.D.Lone Tree, CO 801241780946731
Common questions
What is Marc Y. Wasserman, M.D.'s NPI number?
Marc Y. Wasserman, M.D.'s National Provider Identifier (NPI) is 1356340467, issued on Jul 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Marc Y. Wasserman, M.D. located?
The NPPES record lists a practice address at 8155 Piney River Ave Ste 100, Littleton, CO, 80125. Phone: (303) 265-3390. Providers update this record themselves, so call before visiting.
How can I verify Marc Y. Wasserman, M.D.'s license?
NPPES lists Colorado license number DR.0050778, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marc Y. Wasserman, M.D. prescribe under Medicare Part D?
In 2024, Marc Y. Wasserman, M.D. had 1,203 Medicare Part D claims for 272 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
What is Marc Y. Wasserman, M.D.'s MIPS final score?
The 2023 MIPS final score is 97.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.