Dr. David Dewey Harwood, MD
- Medicare services, 2024
- 90
- Medicare patients, 2024
- 51
- Part D claims, 2024
- 3,559
- Industry payments
- $556
- Affiliated sites
- 1
- Practice address
- 2475 E Broadway St, Helena, MT 59601
- Practice phone
- Call (406) 444-2100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St. Peter's Health
Helena, Montana
Find Dr. Harwood'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.
Dr. David Dewey Harwood is a psychiatrist in Helena, Montana
Dr. Harwood practices at St. Peter's Health in Helena, Montana.
Dr. Harwood's NPI, 1841230885, was assigned on June 7, 2006. Dr. Harwood graduated from Emory School of Medicine in 1985. Dr. Harwood's Alabama license number on file is 14923.
- NPI
- 1841230885NPI Registry (opens in a new tab)
- NPI enumeration date
- June 7, 2006
- NPI status
- Active
- Practice phone
- (406) 444-2100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. David Dewey Harwood practices at St. Peter's Health in Helena, Montana
Dr. Harwood's primary practice is St. Peter's Health, at 2475 E Broadway St, Helena, MT 59601 in Lewis And Clark County. The practice phone is (406) 444-2100.
- St. Peter's Health2475 E Broadway St, Helena, MT 59601 · Lewis And Clark CountyPhone(406) 444-2100
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. David Dewey Harwood is affiliated with 2 sites of care and 2 medical groups
Dr. Harwood's primary practice is St. Peter's Health in Helena, Montana. The medical group on file is Many Rivers Whole Health. Dmand AI also links Dr. Harwood to 1 more group practice or clinic and 1 medical group, 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. David Dewey Harwood's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Harwood practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Peter's Health | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David Dewey Harwood is one of 108 psychiatrists in Montana
Psychiatry is Dr. Harwood's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Harwood is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Harwood's licenses on file in 4 states: Alabama, Montana, Texas and Pennsylvania.
Specialties and state licenses
- Psychiatry, AlabamaPrimary
- Montana license
- Texas license
- Pennsylvania license
Clinical focus
Dmand AI lists ADHD, anxiety, bipolar disorder, depression, intellectual and developmental disabilities and schizophrenia among the conditions Dr. Harwood treats.
Psychiatrists near Dr. Harwood
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 Dewey Harwood billed Medicare for 90 services in 2024
CMS data shows 90 Medicare services from Dr. Harwood across 1 procedure code in 2024, all of them office visits, for 51 Medicare patients. Medicare paid $5,492 for them.
Dr. Harwood's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 522024: 9073%
Where Dr. Harwood's Medicare services took place, 2024
- In an office5359%
- In a facility3741%
Dr. Harwood compared with the Montana median for psychiatrists, 2024
- Dr. Harwood
- Montana median
- Medicare services
- 90vs 17649% below
- Medicare patients
- 51vs 557% below
- Part D claims
- 3,447vs 24714.0 times
Medians across 124 psychiatrists in Montana with Dmand AI profiles that report each measure.
Dr. Harwood'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.
Need commercial claims for Dr. Harwood?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Harwood and other psychiatrists in Montana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David Dewey Harwood treated 51 Medicare patients in 2024, average age 56
CMS counts 51 Medicare patients who saw Dr. Harwood in 2024. The largest group is under 65, with 35 patients. 73% of them have mood disorders, and 53% have anxiety. Their average risk score is 1.10, where 1.00 is the Medicare average.
Dr. Harwood's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Harwood's Medicare patients by sex, 2024
- Women2345%
- Men2855%
Chronic conditions among Dr. Harwood's Medicare patients, 2024
- Mood disorders73%
- Anxiety53%
- Schizophrenia and other psychoses53%
- Depression51%
- Bipolar disorder39%
- High blood pressure39%
- High cholesterol37%
- Diabetes25%
Share of Medicare patients with each condition. A patient can have several.
Source: Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David Dewey Harwood wrote 3,559 Medicare Part D claims in 2024
In 2024, Dr. Harwood wrote 3,559 Medicare Part D claims for 110 patients. 95% of them were for generic drugs. CMS names the drug for 3,447 of them, across 46 drugs with 11 or more claims each, at $316,679 in total drug cost. In 2023, CMS named 9,466 claims across 69 drugs.
Dr. Harwood's Part D claims by kind of drug, 2024
- Generic3,366 claims95%
- Brand-name193 claims5%
Dr. Harwood'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. Harwood's Part D claims, 2024
- Antipsychotics, patients 65 and over7%263 of 3,559 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: 9,4662024: 3,44764%
Drugs named by CMS: 46 in 2024, 69 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 Dewey Harwood received $556 in industry payments from 2016 to 2021
CMS Open Payments shows 25 general payments to Dr. Harwood from 10 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Medtronic USA, Inc. paid the most, $205.
General payments to Dr. Harwood by program year, 2016 to 2021
Companies that paid Dr. Harwood the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David Dewey Harwood has 4 awards and honors on record
Dmand AI lists 4 awards for Dr. Harwood, most recently Distinguished Fellow in 2012.
Awards and honors for Dr. Harwood
- 2012
- Distinguished Fellow
- 1993
- Meritorious Service Medal
- 1989
- Distinguished Graduate
- 1979
- Phi Beta Kappa
Source: Dmand AI Professional Profile Data
Dr. David Dewey Harwood graduated from Emory School of Medicine
Dr. Harwood graduated from Emory School of Medicine in 1985. Dr. Harwood is a member of APA and Past President- Alabama Psychiatric Physician's Association.
- Medical school
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Dr. David Dewey Harwood accepts plans from 8 insurance carriers
Dr. Harwood is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and HCSC. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Humana
- Regence Health Plans
- Alliant Health Plans
- United Healthcare
Plan types Dr. Harwood accepts, by number of carriers
- PPO8
- Medicare6
- POS3
- HMO2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. David Dewey Harwood'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 | Medicare 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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 Dewey Harwood
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. David Dewey Harwood's NPI number?
Dr. David Dewey Harwood's NPI number is 1841230885. It was assigned on June 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David Dewey Harwood?
Dr. David Dewey Harwood is a psychiatrist in Helena, Montana. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. David Dewey Harwood practice?
Dr. Harwood practices at 2475 E Broadway St, Helena, MT 59601. Dr. Harwood's primary practice is St. Peter's Health in Helena, Montana. Dmand AI also links Dr. Harwood to 1 group practice or clinic and 1 medical group.
What is Dr. David Dewey Harwood's office phone number?
The practice phone on file for Dr. Harwood is (406) 444-2100.
What is Dr. David Dewey Harwood's medical license number?
Dr. Harwood's Alabama license number on file is 14923, one of the licenses on file in 4 states.
Which states has Dr. David Dewey Harwood been licensed in?
Dmand AI has state licenses on file for Dr. Harwood in Alabama (1989 to 2020), Montana (2016 to 2025), Texas (2016 to 2025) and Pennsylvania (1988 to 2002).
What medical group is Dr. David Dewey Harwood part of?
Dr. Harwood is linked to Many Rivers Whole Health. Dmand AI links Dr. Harwood to 1 more medical group.
Does Dr. David Dewey Harwood accept Medicare?
Yes. CMS data shows Dr. Harwood billed Medicare for 90 services in 2024.
How many Medicare patients does Dr. David Dewey Harwood see?
CMS counts 51 Medicare patients who saw Dr. Harwood in 2024, with an average age of 56.
Is Dr. David Dewey Harwood board certified?
Yes. Dr. Harwood is board certified in psychiatry by the American Board of Psychiatry and Neurology.
Show 6 more questionsShow fewer questions
What services does Dr. David Dewey Harwood bill to Medicare?
In 2024, Dr. Harwood's most billed Medicare services were office visit, established patient (99214).
Where did Dr. David Dewey Harwood go to medical school?
Dr. Harwood graduated from Emory School of Medicine in 1985.
What drugs does Dr. David Dewey Harwood prescribe most?
In 2024 Medicare Part D data, Dr. Harwood's most prescribed drugs by claims were Olanzapine, Quetiapine Fumarate and Lamotrigine.
Has Dr. David Dewey Harwood received payments from drug or device companies?
CMS Open Payments shows $556 in general payments to Dr. Harwood from 10 companies from 2016 to 2021. The largest total came from Medtronic USA, Inc.
How long has Dr. David Dewey Harwood been practicing?
Dr. Harwood graduated from medical school in 1985, 41 years ago.
What insurance does Dr. David Dewey Harwood accept?
Dr. Harwood is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and HCSC. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
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