Dr. Richard E. Nilson, MD
- Medicare services, 2024
- 256
- Medicare patients, 2024
- 52
- Part D claims, 2024
- 3,129
- MIPS score, 2024
- 98
- Affiliated sites
- 2
- Practice address
- 78 Atlantic Pl, South Portland, ME 04106
- Practice phone
- Call (207) 874-1030
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mainehealth
South Portland, Maine
Find Dr. Nilson's professional email, personal email and mobile number
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Dr. Richard E. Nilson is a psychiatrist in South Portland, Maine
Dr. Nilson practices at Mainehealth in South Portland, Maine.
Dr. Nilson's NPI, 1154347524, was assigned on July 15, 2006. Dr. Nilson graduated from University of Connecticut School of Medicine in 1977. Dr. Nilson holds Maine license MD18594.
- NPI
- 1154347524NPI Registry (opens in a new tab)
- NPI enumeration date
- July 15, 2006
- NPI status
- Active
- Practice phone
- (207) 874-1030
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 75
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Richard E. Nilson practices at Mainehealth in South Portland, Maine
Dr. Nilson's primary practice is Mainehealth, at 78 Atlantic Pl, South Portland, ME 04106 in Cumberland County. The practice phone is (207) 874-1030.
- Mainehealth78 Atlantic Pl, South Portland, ME 04106 · Cumberland CountyPhone(207) 874-1030
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Richard E. Nilson is affiliated with 3 sites of care and 3 medical groups
Dr. Nilson's primary practice is Mainehealth in South Portland, Maine. The medical group on file is MaineHealth Primary Care - Family Medicine - Portland. Dmand AI also links Dr. Nilson to 2 more group practices and clinics and 2 medical groups, each 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 Dr. Richard E. Nilson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nilson practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mainehealth | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Richard E. Nilson is one of 203 psychiatrists in Maine
Psychiatry is Dr. Nilson's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Nilson is licensed in Maine.
Specialties and state licenses
- Psychiatry, MainePrimary
Psychiatrists near Dr. Nilson
Counts of psychiatrists 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
Dr. Richard E. Nilson billed Medicare for 256 services in 2024
CMS data shows 256 Medicare services from Dr. Nilson across 2 procedure codes in 2024, all of them office visits, for 52 Medicare patients. Medicare paid $20,092 for them. Every service was in an office.
Dr. Nilson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3302024: 25622%
Dr. Nilson compared with the Maine median for psychiatrists, 2024
- Dr. Nilson
- Maine median
- Medicare services
- 256vs 1202.1 times
- Medicare patients
- 52vs 3741% above
- Part D claims
- 3,030vs 10828.1 times
Medians across 252 psychiatrists in Maine with Dmand AI profiles that report each measure.
Dr. Nilson's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Richard E. Nilson treated 52 Medicare patients in 2024, average age 61
CMS counts 52 Medicare patients who saw Dr. Nilson in 2024. The largest group is under 65, with 29 patients. 75% of them have anxiety, and 75% have depression. 60% are also on Medicaid. Their average risk score is 1.57, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Nilson's median patient age at 50, with 50% women.
Dr. Nilson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Nilson's Medicare patients by sex, 2024
- Women3669%
- Men1631%
Chronic conditions among Dr. Nilson's Medicare patients, 2024
- Anxiety75%
- Depression75%
- Mood disorders75%
- PTSD52%
- High cholesterol48%
- Arthritis40%
- ADHD and conduct disorders38%
- Bipolar disorder38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nilson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Richard E. Nilson wrote 3,129 Medicare Part D claims in 2024
In 2024, Dr. Nilson wrote 3,129 Medicare Part D claims for 147 patients. 97% of them were for generic drugs. CMS names the drug for 3,030 of them, across 46 drugs with 11 or more claims each, at $111,660 in total drug cost. In 2023, CMS named 3,055 claims across 47 drugs.
Dr. Nilson's Part D claims by kind of drug, 2024
- Generic3,032 claims97%
- Brand-name97 claims3%
Dr. Nilson's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Nilson's Part D claims, 2024
- Antipsychotics, patients 65 and over6%173 of 3,129 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3,0552024: 3,0301%
Drugs named by CMS: 46 in 2024, 47 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Richard E. Nilson scored 98 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for Dr. Nilson for performance year 2024, reported through an alternative payment model (APM).
Dr. Nilson's MIPS scores, performance year 2024
- 98of 100Final score
- 83.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Richard E. Nilson graduated from University of Connecticut School of Medicine
Dr. Nilson graduated from University of Connecticut School of Medicine in 1977.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Richard E. Nilson'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Dr. Richard E. Nilson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Richard E. Nilson's NPI number?
Dr. Richard E. Nilson's NPI number is 1154347524. It was assigned on July 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Richard E. Nilson?
Dr. Richard E. Nilson is a psychiatrist in South Portland, Maine. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Richard E. Nilson practice?
Dr. Nilson practices at 78 Atlantic Pl, South Portland, ME 04106. Dr. Nilson's primary practice is Mainehealth in South Portland, Maine. Dmand AI also links Dr. Nilson to 2 group practices and clinics and 2 medical groups.
What is Dr. Richard E. Nilson's office phone number?
The practice phone on file for Dr. Nilson is (207) 874-1030.
What is Dr. Richard E. Nilson's medical license number?
Dr. Nilson holds Maine license MD18594.
What medical group is Dr. Richard E. Nilson part of?
Dr. Nilson is linked to MaineHealth Primary Care - Family Medicine - Portland. Dmand AI links Dr. Nilson to 2 more medical groups.
Does Dr. Richard E. Nilson accept Medicare?
Yes. CMS data shows Dr. Nilson billed Medicare for 256 services in 2024.
What is Dr. Richard E. Nilson's MIPS score?
Dr. Nilson's MIPS final score for performance year 2024 is 98 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Richard E. Nilson see?
CMS counts 52 Medicare patients who saw Dr. Nilson in 2024, with an average age of 61.
What services does Dr. Richard E. Nilson bill to Medicare?
In 2024, Dr. Nilson's most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99213).
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Where did Dr. Richard E. Nilson go to medical school?
Dr. Nilson graduated from University of Connecticut School of Medicine in 1977.
What drugs does Dr. Richard E. Nilson prescribe most?
In 2024 Medicare Part D data, Dr. Nilson's most prescribed drugs by claims were Clonazepam, Quetiapine Fumarate and Fluoxetine HCl.
How long has Dr. Richard E. Nilson been practicing?
Dr. Nilson graduated from medical school in 1977, 49 years ago.
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