Early Interv Psychiatry
Community Mental Health ServicesDelivery of Health Care, IntegratedEmergency Service, Hospital
Dr. Gillian L. Sowden, MD
NPI1720387202PAC ID7315257482
- Medicare services, 2024
- 130
- Medicare patients, 2024
- 72
- Part D claims, 2021
- 159
- Publications
- 9
- MIPS score, 2024
- 80
- Practice address
- 1 Medical Center Drive, Lebanon, NH 03756
- Practice phone
- Call (603) 650-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Sowden'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. Gillian L. Sowden is a psychiatrist in Lebanon, New Hampshire
Dr. Sowden practices at Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire, part of Dartmouth-Hitchcock Health.
Dr. Sowden's NPI, 1720387202, was assigned on March 23, 2011. Dr. Sowden graduated from Harvard Medical School in 2011. Dr. Sowden holds New Hampshire license 17807.
NPI and contact details
- NPI
- 1720387202NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315257482
- NPI enumeration date
- March 23, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (603) 650-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gillian L. Sowden practices at Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire
Dr. Sowden's primary practice is Dartmouth Hitchcock Medical Center, at 1 Medical Center Drive, Lebanon, NH 03756 in Grafton County. The practice phone is (603) 650-5000.
- Dartmouth Hitchcock Medical Center1 Medical Center Drive, Lebanon, NH 03756 · Grafton CountyPhone(603) 650-5000
Source: Dmand AI Affiliation Data
Dr. Gillian L. Sowden is affiliated with 1 site of care and 2 medical groups
Dr. Sowden's primary practice is Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire, part of Dartmouth-Hitchcock Health. The medical group on file is Dartmouth Hitchcock Medical Center. Dmand AI also links Dr. Sowden to 1 more medical group, named with a free account. Dr. Sowden's employer is on file too: a hospital.
Dartmouth Hitchcock Medical Center1 medical groupName with a free accountEmployer: hospitalName with a free account
See all 3 affiliations for Dr. SowdenSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gillian L. Sowden's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sowden practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dartmouth Hitchcock Medical Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gillian L. Sowden is one of 194 psychiatrists in New Hampshire
Psychiatry is Dr. Sowden's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Sowden is licensed in New Hampshire.
Specialties and state licenses
- Psychiatry, New HampshirePrimary
Psychiatrists near Dr. Sowden
Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.
194psychiatrists in New Hampshire36psychiatrists in Lebanon26psychiatrists at Dartmouth Hitchcock Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gillian L. Sowden billed Medicare for 130 services in 2024
CMS data shows 130 Medicare services from Dr. Sowden across 2 procedure codes in 2024, for 72 Medicare patients. Medicare paid $10,267 for them.
Medicare services, 2024130
Medicare patients72
Paid by Medicare$10,267
Procedure codes2
Dr. Sowden's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2312024: 11948%
- Tests and treatments
- 2023: 132024: 1115%
Where Dr. Sowden's Medicare services took place, 2024
- In an office5643%
- In a facility7457%
Dr. Sowden compared with the New Hampshire median for psychiatrists, 2024
- Dr. Sowden
- New Hampshire median
- Medicare services
- 130vs 20637% below
- Medicare patients
- 72vs 6020% above
- Part D claims
- 159vs 19016% below
Medians across 204 psychiatrists in New Hampshire with Dmand AI profiles that report each measure.
Dr. Sowden'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. Gillian L. Sowden treated 72 Medicare patients in 2024, average age 58
CMS counts 72 Medicare patients who saw Dr. Sowden in 2024. The largest group is under 65, with 40 patients. 75% of them have anxiety, and 75% have depression. 39% are also on Medicaid. Their average risk score is 1.37, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Sowden's median patient age at 42, with 66% women.
Medicare patients, 202472
Average age58
Average risk score1.37
Also on Medicaid39%
Dr. Sowden's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Sowden's Medicare patients by sex, 2024
- Women4563%
- Men2738%
Chronic conditions among Dr. Sowden's Medicare patients, 2024
- Anxiety75%
- Depression75%
- Mood disorders75%
- Arthritis51%
- High blood pressure51%
- High cholesterol50%
- PTSD43%
- Bipolar disorder38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sowden's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 42
Patient panel by sex, all payers
- Women66%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gillian L. Sowden wrote 159 Medicare Part D claims in 2021
In 2021, Dr. Sowden wrote 159 Medicare Part D claims. They cover 9 drugs, with $6,301 in total drug cost. In 2020, CMS named 438 claims across 21 drugs.
Part D claims, 2021159
Drugs named by CMS9
Total drug cost$6,301
Dr. Sowden's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 4382021: 15964%
Drugs named by CMS: 9 in 2021, 21 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Gillian L. Sowden scored 80 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 80 out of 100 for Dr. Sowden for performance year 2024, reported through an alternative payment model (APM). Dr. Sowden accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Sowden as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Sowden's MIPS scores, performance year 2024
- 80of 100Final score
- 53.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Gillian L. Sowden has 9 publications on record
Dmand AI links 9 papers to Dr. Sowden, published from 2011 to 2024. 2011 was the busiest year, with 2. The most frequent topics are Primary Health Care. Dr. Sowden's most frequent co-authors are Argyro P. Caminis, MD, MPH, James Louis Januzzi, MD and Christopher J. Keary, MD.
Papers9
Years published2011 to 2024
Dr. Sowden's papers by year, 2011 to 2024
Topics Dr. Sowden writes about most
- Primary Health Care
Dr. Sowden's most frequent co-authors
- Argyro P. Caminis, MD, MPH2 shared papers
- James Louis Januzzi, MD2 shared papers
- Christopher J. Keary, MD2 shared papers
Recent publications by Dr. Sowden
J Med Internet Res
Academic Medical CentersHealth Services AccessibilityPrimary Health Care
Int J Psychiatry Med
Antipsychotic AgentsBasal Ganglia DiseasesBipolar Disorder
Anxiety DisordersBotulinum ToxinsCitalopram
See who Dr. Sowden researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Sowden works with, so you can find a warm path to the right psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gillian L. Sowden graduated from Harvard Medical School
Dr. Sowden graduated from Harvard Medical School in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gillian L. Sowden'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Gillian L. Sowden
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. Gillian L. Sowden's NPI number?
Dr. Gillian L. Sowden's NPI number is 1720387202. It was assigned on March 23, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Gillian L. Sowden?
Dr. Gillian L. Sowden is a psychiatrist in Lebanon, New Hampshire. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Gillian L. Sowden practice?
Dr. Sowden practices at 1 Medical Center Drive, Lebanon, NH 03756. Dr. Sowden's primary practice is Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire, part of Dartmouth-Hitchcock Health. Dmand AI also links Dr. Sowden to 1 medical group.
What is Dr. Gillian L. Sowden's office phone number?
The practice phone on file for Dr. Sowden is (603) 650-5000.
What is Dr. Gillian L. Sowden's medical license number?
Dr. Sowden holds New Hampshire license 17807.
Which hospitals is Dr. Gillian L. Sowden affiliated with?
Dr. Sowden practices at Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire.
What medical group is Dr. Gillian L. Sowden part of?
Dr. Sowden is linked to Dartmouth Hitchcock Medical Center. Dmand AI links Dr. Sowden to 1 more medical group.
Does Dr. Gillian L. Sowden accept Medicare?
Yes. CMS data shows Dr. Sowden billed Medicare for 130 services in 2024, and Dr. Sowden accepts Medicare assignment.
Does Dr. Gillian L. Sowden offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Sowden as offering telehealth services.
What is Dr. Gillian L. Sowden's MIPS score?
Dr. Sowden's MIPS final score for performance year 2024 is 80 out of 100, reported through an alternative payment model (APM).
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. Gillian L. Sowden see?
CMS counts 72 Medicare patients who saw Dr. Sowden in 2024, with an average age of 58.
What services does Dr. Gillian L. Sowden bill to Medicare?
In 2024, Dr. Sowden's most billed Medicare services were office visit, established patient (99214) and psychiatric service (90792).
Where did Dr. Gillian L. Sowden go to medical school?
Dr. Sowden graduated from Harvard Medical School in 2011.
What drugs does Dr. Gillian L. Sowden prescribe most?
In 2021 Medicare Part D data, Dr. Sowden's most prescribed drugs by claims were Hydroxyzine HCl, Propranolol HCl and Clozapine.
How long has Dr. Gillian L. Sowden been practicing?
Dr. Sowden graduated from medical school in 2011, 15 years ago.
Does Dr. Gillian L. Sowden do research?
Dmand AI links 9 publications to Dr. Sowden, published from 2011 to 2024.
Who does Dr. Gillian L. Sowden publish with?
Dr. Sowden's most frequent co-authors are Argyro P. Caminis, MD, MPH (2 shared papers), James Louis Januzzi, MD (2 shared papers) and Christopher J. Keary, MD (2 shared papers).
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