Dr. Leigh N. Nathan, MD
- Medicare services, 2024
- 37
- Medicare patients, 2024
- 30
- Part D claims, 2022
- 132
- MIPS score, 2024
- 93
- Hospital affiliations
- 3
- Practice address
- 80 Seymour Street, Hartford, CT 06102
- Practice phone
- Call (860) 545-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Nathan'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. Leigh N. Nathan is a psychiatrist in Hartford, Connecticut
Dr. Nathan practices at Hartford Hospital in Hartford, Connecticut, part of Hartford HealthCare.
Dr. Nathan's NPI, 1639496623, was assigned on April 29, 2010. Dr. Nathan graduated from Temple University School of Medicine in 2010. Dr. Nathan holds Connecticut license 052945.
- NPI
- 1639496623NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769621879
- NPI enumeration date
- April 29, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (860) 545-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Leigh N. Nathan practices at Hartford Hospital in Hartford, Connecticut
Dr. Nathan's primary practice is Hartford Hospital, at 80 Seymour Street, Hartford, CT 06102 in Hartford County. The practice phone is (860) 545-5000.
- Hartford Hospital80 Seymour Street, Hartford, CT 06102 · Hartford CountyPhone(860) 545-5000
Source: Dmand AI Affiliation Data
Dr. Leigh N. Nathan is affiliated with 3 sites of care and 6 medical groups
Dr. Nathan's primary practice is Hartford Hospital in Hartford, Connecticut, part of Hartford HealthCare. Dr. Nathan is also affiliated with Backus Hospital. The medical group on file is Hartford Hospital. Dmand AI also links Dr. Nathan to 1 more hospital and 5 medical groups, each named with a free account. Dr. Nathan's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Leigh N. Nathan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nathan practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hartford Hospital | Available with a free account |
| +2 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Hartford HealthCare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Leigh N. Nathan is one of 828 psychiatrists in Connecticut
Psychiatry is Dr. Nathan's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dmand AI has Dr. Nathan's licenses on file in 2 states: Connecticut and Colorado.
Specialties and state licenses
- Psychiatry, ConnecticutPrimary
- Colorado license
Psychiatrists near Dr. Nathan
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. Leigh N. Nathan billed Medicare for 37 services in 2024
CMS data shows 37 Medicare services from Dr. Nathan across 2 procedure codes in 2024, for 30 Medicare patients. Medicare paid $3,464 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Nathan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 162024: 37131%
Dr. Nathan compared with the Connecticut median for psychiatrists, 2024
- Dr. Nathan
- Connecticut median
- Medicare services
- 37vs 11167% below
- Medicare patients
- 30vs 4025% below
- Part D claims
- 132vs 1427% below
Medians across 886 psychiatrists in Connecticut with Dmand AI profiles that report each measure.
Dr. Nathan'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. Nathan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nathan and other psychiatrists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Leigh N. Nathan treated 30 Medicare patients in 2024, average age 63
CMS counts 30 Medicare patients who saw Dr. Nathan in 2024. The largest group is under 65, with 13 patients. 75% of them have anxiety, and 75% have depression. Their average risk score is 3.24, 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. Nathan's median patient age at 53, with 46% women.
Dr. Nathan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Nathan's Medicare patients by sex, 2024
- Women1447%
- Men1653%
Chronic conditions among Dr. Nathan's Medicare patients, 2024
- Anxiety75%
- Depression75%
- High blood pressure75%
- Mood disorders75%
- High cholesterol70%
- Diabetes53%
- Ischemic heart disease53%
- Schizophrenia and other psychoses53%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nathan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women46%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Leigh N. Nathan wrote 132 Medicare Part D claims in 2022
In 2022, Dr. Nathan wrote 132 Medicare Part D claims. They cover 8 drugs, with $3,846 in total drug cost. In 2021, CMS named 1,802 claims across 43 drugs.
Dr. Nathan's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 1,8022022: 13293%
Drugs named by CMS: 8 in 2022, 43 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Leigh N. Nathan scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Nathan for performance year 2024, reported as part of a group. Dr. Nathan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Nathan's MIPS scores, performance year 2024
- 93of 100Final score
- 75.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 71of 100Cost
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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Leigh N. Nathan graduated from Temple University School of Medicine
Dr. Nathan graduated from Temple University School of Medicine in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Leigh N. Nathan'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) |
| 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. Leigh N. Nathan
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. Leigh N. Nathan's NPI number?
Dr. Leigh N. Nathan's NPI number is 1639496623. It was assigned on April 29, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Leigh N. Nathan?
Dr. Leigh N. Nathan is a psychiatrist in Hartford, Connecticut. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Leigh N. Nathan practice?
Dr. Nathan practices at 80 Seymour Street, Hartford, CT 06102. Dr. Nathan's primary practice is Hartford Hospital in Hartford, Connecticut, part of Hartford HealthCare. Dmand AI also links Dr. Nathan to 1 hospital and 5 medical groups.
What is Dr. Leigh N. Nathan's office phone number?
The practice phone on file for Dr. Nathan is (860) 545-5000.
What is Dr. Leigh N. Nathan's medical license number?
Dr. Nathan holds Connecticut license 052945, one of the licenses on file in 2 states.
Which states has Dr. Leigh N. Nathan been licensed in?
Dmand AI has state licenses on file for Dr. Nathan in Connecticut and Colorado.
Which hospitals is Dr. Leigh N. Nathan affiliated with?
Dr. Nathan practices at Hartford Hospital in Hartford, Connecticut. Dr. Nathan is also affiliated with Backus Hospital. Dmand AI links Dr. Nathan to 1 more hospital.
What medical group is Dr. Leigh N. Nathan part of?
Dr. Nathan is linked to Hartford Hospital. Dmand AI links Dr. Nathan to 5 more medical groups.
Does Dr. Leigh N. Nathan accept Medicare?
Yes. CMS data shows Dr. Nathan billed Medicare for 37 services in 2024, and Dr. Nathan accepts Medicare assignment.
What is Dr. Leigh N. Nathan's MIPS score?
Dr. Nathan's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.
Show 5 more questionsShow fewer questions
How many Medicare patients does Dr. Leigh N. Nathan see?
CMS counts 30 Medicare patients who saw Dr. Nathan in 2024, with an average age of 63.
What services does Dr. Leigh N. Nathan bill to Medicare?
In 2024, Dr. Nathan's most billed Medicare services were hospital inpatient care (99222) and hospital inpatient care (99232).
Where did Dr. Leigh N. Nathan go to medical school?
Dr. Nathan graduated from Temple University School of Medicine in 2010.
What drugs does Dr. Leigh N. Nathan prescribe most?
In 2022 Medicare Part D data, Dr. Nathan's most prescribed drugs by claims were Lithium Carbonate, Clonazepam and Sertraline HCl.
How long has Dr. Leigh N. Nathan been practicing?
Dr. Nathan graduated from medical school in 2010, 16 years ago.
Selling to psychiatry practices?
See psychiatrists in Connecticut by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card