Dr. David B. Nagler, MD
- Medicare services, 2024
- 232
- Medicare patients, 2024
- 15
- Part D claims, 2024
- 903
- Hospital affiliations
- 1
- Industry payments
- $54
- Practice address
- 300 Main Street, Lewiston, ME 04240
- Practice phone
- Call (207) 795-0111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. David B. Nagler is a psychiatrist in Lewiston, Maine
Dr. Nagler practices at Central Maine Medical Center in Lewiston, Maine, part of Prime Healthcare Services.
Dr. Nagler's NPI, 1669404497, was assigned on July 6, 2006. Dr. Nagler graduated from Wayne State University School of Medicine in 1989. Dr. Nagler holds Maine license 013521.
- NPI
- 1669404497NPI Registry (opens in a new tab)
- NPI enumeration date
- July 6, 2006
- NPI status
- Active
- Practice phone
- (207) 795-0111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. David B. Nagler practices at Central Maine Medical Center in Lewiston, Maine
Dr. Nagler's primary practice is Central Maine Medical Center, at 300 Main Street, Lewiston, ME 04240 in Androscoggin County. The practice phone is (207) 795-0111.
- Central Maine Medical Center300 Main Street, Lewiston, ME 04240 · Androscoggin CountyPhone(207) 795-0111
Source: Dmand AI Affiliation Data
Dr. David B. Nagler is affiliated with 1 site of care
Dr. Nagler's primary practice is Central Maine Medical Center in Lewiston, Maine, part of Prime Healthcare Services.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David B. Nagler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nagler practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Central Maine Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David B. Nagler is one of 203 psychiatrists in Maine
Psychiatry is Dr. Nagler's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Nagler is licensed in Maine.
Specialties and state licenses
- Psychiatry, MainePrimary
Psychiatrists near Dr. Nagler
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. David B. Nagler billed Medicare for 232 services in 2024
CMS data shows 232 Medicare services from Dr. Nagler across 2 procedure codes in 2024, for 15 Medicare patients. Medicare paid $22,244 for them. Every service was in an office.
Dr. Nagler's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1712024: 11831%
- Tests and treatments
- 2023: 1682024: 11432%
Dr. Nagler compared with the Maine median for psychiatrists, 2024
- Dr. Nagler
- Maine median
- Medicare services
- 232vs 12093% above
- Medicare patients
- 15vs 3759% below
- Part D claims
- 693vs 1086.4 times
Medians across 252 psychiatrists in Maine with Dmand AI profiles that report each measure.
Dr. Nagler'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. David B. Nagler treated 15 Medicare patients in 2024, average age 58
CMS counts 15 Medicare patients who saw Dr. Nagler in 2024. The largest group is 85 and over, with 0 patients. 75% of them have anxiety, and 75% have mood disorders. Their average risk score is 0.98, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nagler's median patient age at 64, with 72% women.
Dr. Nagler's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Nagler's Medicare patients, 2024
- Anxiety75%
- Mood disorders75%
- Depression73%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nagler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women72%
- Men17%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David B. Nagler wrote 903 Medicare Part D claims in 2024
In 2024, Dr. Nagler wrote 903 Medicare Part D claims for 70 patients. 92% of them were for generic drugs. CMS names the drug for 693 of them, across 26 drugs with 11 or more claims each, at $44,649 in total drug cost. In 2023, CMS named 655 claims across 25 drugs.
Dr. Nagler's Part D claims by kind of drug, 2024
- Generic834 claims92%
- Brand-name69 claims8%
Dr. Nagler'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. Nagler's Part D claims, 2024
- Antipsychotics, patients 65 and over5%42 of 903 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: 6552024: 6936%
Drugs named by CMS: 26 in 2024, 25 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
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Dr. David B. Nagler received $54 in industry payments from 2016 to 2017
CMS Open Payments shows 4 general payments to Dr. Nagler from 2 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Shire North American Group Inc paid the most, $43.
General payments to Dr. Nagler by program year, 2016 to 2017
Companies that paid Dr. Nagler the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David B. Nagler graduated from Wayne State University School of Medicine
Dr. Nagler graduated from Wayne State University School of Medicine in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David B. Nagler'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| Industry payments | Open Payments (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. David B. Nagler
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What is Dr. David B. Nagler's NPI number?
Dr. David B. Nagler's NPI number is 1669404497. It was assigned on July 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David B. Nagler?
Dr. David B. Nagler is a psychiatrist in Lewiston, Maine. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. David B. Nagler practice?
Dr. Nagler practices at 300 Main Street, Lewiston, ME 04240. Dr. Nagler's primary practice is Central Maine Medical Center in Lewiston, Maine, part of Prime Healthcare Services.
What is Dr. David B. Nagler's office phone number?
The practice phone on file for Dr. Nagler is (207) 795-0111.
What is Dr. David B. Nagler's medical license number?
Dr. Nagler holds Maine license 013521.
Which hospitals is Dr. David B. Nagler affiliated with?
Dr. Nagler practices at Central Maine Medical Center in Lewiston, Maine.
Does Dr. David B. Nagler accept Medicare?
Yes. CMS data shows Dr. Nagler billed Medicare for 232 services in 2024.
How many Medicare patients does Dr. David B. Nagler see?
CMS counts 15 Medicare patients who saw Dr. Nagler in 2024, with an average age of 58.
What services does Dr. David B. Nagler bill to Medicare?
In 2024, Dr. Nagler's most billed Medicare services were office visit, established patient (99214) and psychiatric service (90838).
Where did Dr. David B. Nagler go to medical school?
Dr. Nagler graduated from Wayne State University School of Medicine in 1989.
Show 3 more questionsShow fewer questions
What drugs does Dr. David B. Nagler prescribe most?
In 2024 Medicare Part D data, Dr. Nagler's most prescribed drugs by claims were Dextroamphetamine-Amphetamine, Alprazolam and Methylphenidate HCl.
Has Dr. David B. Nagler received payments from drug or device companies?
CMS Open Payments shows $54 in general payments to Dr. Nagler from 2 companies from 2016 to 2017. The largest total came from Shire North American Group Inc.
How long has Dr. David B. Nagler been practicing?
Dr. Nagler graduated from medical school in 1989, 37 years ago.
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