Dr. Thomas P. Erhart, DO
- Medicare services, 2024
- 579
- Medicare patients, 2024
- 261
- Part D claims, 2024
- 325
- Hospital affiliations
- 2
- Industry payments
- $3,812
- Practice address
- 1500 State Rte 112, Port Jefferson Station, NY 11776
- Practice phone
- Call (631) 828-3400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Long Island Digestive Endoscopy Center, LLC
Port Jefferson Station, New York
Find Dr. Erhart'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. Thomas P. Erhart is an OB-GYN in Port Jefferson Station, New York
Dr. Erhart practices at Long Island Digestive Endoscopy Center, LLC in Port Jefferson Station, New York.
Dr. Erhart's NPI, 1508891425, was assigned on July 11, 2006. Dr. Erhart graduated from New York College of Osteo Medicine of New York Institute of Technology in 1990. Dr. Erhart holds New York license 193070.
- NPI
- 1508891425NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2860541448
- NPI enumeration date
- July 11, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (631) 828-3400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas P. Erhart practices at Long Island Digestive Endoscopy Center, LLC in Port Jefferson Station, New York
Dr. Erhart's primary practice is Long Island Digestive Endoscopy Center, LLC, at 1500 State Rte 112, Port Jefferson Station, NY 11776 in Suffolk County. The practice phone is (631) 828-3400.
- Long Island Digestive Endoscopy Center, LLC1500 State Rte 112, Port Jefferson Station, NY 11776 · Suffolk CountyPhone(631) 828-3400
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Thomas P. Erhart is affiliated with 4 sites of care
Dr. Erhart's primary practice is Long Island Digestive Endoscopy Center, LLC in Port Jefferson Station, New York. Dr. Erhart is also affiliated with Stony Brook University Hospital. Dmand AI also links Dr. Erhart to 1 more hospital and 1 physician office, 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. Thomas P. Erhart's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Erhart practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Long Island Digestive Endoscopy Center, LLC | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas P. Erhart is one of 2,664 OB-GYNs in New York
Obstetrics and gynecology is Dr. Erhart's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Erhart is licensed in New York.
Specialties and state licenses
- Obstetrics and gynecology, New YorkPrimary
OB-GYNs near Dr. Erhart
Counts of OB-GYNs 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. Thomas P. Erhart billed Medicare for 579 services in 2024
CMS data shows 579 Medicare services from Dr. Erhart across 8 procedure codes in 2024, for 261 Medicare patients. Medicare paid $44,324 for them. Every service was in an office.
Dr. Erhart's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1962024: 29249%
- Other services
- 2023: 2392024: 2361%
- Imaging
- 2023: 542024: 516%
Dr. Erhart compared with the New York median for OB-GYNs, 2024
- Dr. Erhart
- New York median
- Medicare services
- 579vs 708.3 times
- Medicare patients
- 261vs 544.8 times
- Part D claims
- 142vs 383.7 times
Medians across 2,269 OB-GYNs in New York with Dmand AI profiles that report each measure.
Dr. Erhart'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Erhart and other OB-GYNs in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas P. Erhart treated 261 Medicare patients in 2024, average age 70
CMS counts 261 Medicare patients who saw Dr. Erhart in 2024. The largest group is 65 to 74, with 147 patients. 75% of them have high cholesterol, and 61% have high blood pressure. 5% are also on Medicaid. Their average risk score is 0.89, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Erhart's median patient age at 45, with 98% women.
Dr. Erhart's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Erhart's Medicare patients, 2024
- High cholesterol75%
- High blood pressure61%
- Arthritis51%
- Osteoporosis31%
- Anxiety29%
- Diabetes24%
- Mood disorders20%
- Ischemic heart disease19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Erhart's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 45
Patient panel by sex, all payers
- Women98%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas P. Erhart wrote 325 Medicare Part D claims in 2024
In 2024, Dr. Erhart wrote 325 Medicare Part D claims for 103 patients. 80% of them were for generic drugs. CMS names the drug for 142 of them, across 7 drugs with 11 or more claims each, at $14,580 in total drug cost. In 2023, CMS named 192 claims across 11 drugs.
Dr. Erhart's Part D claims by kind of drug, 2024
- Generic261 claims80%
- Brand-name64 claims20%
Dr. Erhart'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. Erhart's Part D claims, 2024
- Antibiotics13%42 of 325 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: 1922024: 14226%
Drugs named by CMS: 7 in 2024, 11 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. Thomas P. Erhart offers telehealth to Medicare patients
Dr. Erhart accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Erhart as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Thomas P. Erhart received $3,812 in industry payments from 2016 to 2025
CMS Open Payments shows 198 general payments to Dr. Erhart from 26 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 95% of the total. Abbvie Inc. paid the most, $696.
General payments to Dr. Erhart by program year, 2016 to 2025
General payments to Dr. Erhart by kind, 2016 to 2025
- Food and beverage$3,63595%
- Education$1775%
Companies that paid Dr. Erhart the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas P. Erhart graduated from New York College of Osteo Medicine of New York Institute of Technology
Dr. Erhart graduated from New York College of Osteo Medicine of New York Institute of Technology in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas P. Erhart'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 | Doctors and Clinicians National Downloadable File (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. Thomas P. Erhart
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. Thomas P. Erhart's NPI number?
Dr. Thomas P. Erhart's NPI number is 1508891425. It was assigned on July 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas P. Erhart?
Dr. Thomas P. Erhart is an OB-GYN in Port Jefferson Station, New York. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Thomas P. Erhart practice?
Dr. Erhart practices at 1500 State Rte 112, Port Jefferson Station, NY 11776. Dr. Erhart's primary practice is Long Island Digestive Endoscopy Center, LLC in Port Jefferson Station, New York. Dmand AI also links Dr. Erhart to 1 hospital and 1 physician office.
What is Dr. Thomas P. Erhart's office phone number?
The practice phone on file for Dr. Erhart is (631) 828-3400.
What is Dr. Thomas P. Erhart's medical license number?
Dr. Erhart holds New York license 193070.
Which hospitals is Dr. Thomas P. Erhart affiliated with?
Dr. Erhart is affiliated with Stony Brook University Hospital. Dmand AI links Dr. Erhart to 1 more hospital.
Does Dr. Thomas P. Erhart accept Medicare?
Yes. CMS data shows Dr. Erhart billed Medicare for 579 services in 2024, and Dr. Erhart accepts Medicare assignment.
Does Dr. Thomas P. Erhart offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Erhart as offering telehealth services.
How many Medicare patients does Dr. Thomas P. Erhart see?
CMS counts 261 Medicare patients who saw Dr. Erhart in 2024, with an average age of 70.
What services does Dr. Thomas P. Erhart bill to Medicare?
In 2024, Dr. Erhart's most billed Medicare services were office visit, established patient (99214), medicare service (G0101) and medicare temporary code (Q0091).
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Where did Dr. Thomas P. Erhart go to medical school?
Dr. Erhart graduated from New York College of Osteo Medicine of New York Institute of Technology in 1990.
What drugs does Dr. Thomas P. Erhart prescribe most?
In 2024 Medicare Part D data, Dr. Erhart's most prescribed drugs by claims were Estradiol, Premarin and Medroxyprogesterone Acetate.
Has Dr. Thomas P. Erhart received payments from drug or device companies?
CMS Open Payments shows $3,812 in general payments to Dr. Erhart from 26 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Thomas P. Erhart been practicing?
Dr. Erhart graduated from medical school in 1990, 36 years ago.
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