Clin Pharmacol Drug Dev
Administration, IntravenousAdministration, OralAntibodies, Monoclonal
Dr. Jaroslaw Jac, MD
NPI1326029802PAC ID0244288371
- Medicare services, 2024
- 732
- Medicare patients, 2024
- 402
- Part D claims, 2024
- 504
- Publications
- 2
- Hospital affiliations
- 7
- Practice address
- 3073 White Mountain Highway, North Conway, NH 03860
- Practice phone
- Call (603) 356-5461
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Jac'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. Jaroslaw Jac is a hematologist and oncologist in North Conway, New Hampshire
Dr. Jac practices at MaineHealth Memorial Hospital in North Conway, New Hampshire, part of MaineHealth.
Dr. Jac's NPI, 1326029802, was assigned on November 10, 2005. Dr. Jac holds Massachusetts license 238060.
NPI and contact details
- NPI
- 1326029802NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244288371
- NPI enumeration date
- November 10, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (603) 356-5461
- 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 Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jaroslaw Jac practices at MaineHealth Memorial Hospital in North Conway, New Hampshire
Dr. Jac's primary practice is MaineHealth Memorial Hospital, at 3073 White Mountain Highway, North Conway, NH 03860 in Carroll County. The practice phone is (603) 356-5461.
- MaineHealth Memorial Hospital3073 White Mountain Highway, North Conway, NH 03860 · Carroll CountyPhone(603) 356-5461
Source: Dmand AI Affiliation Data
Dr. Jaroslaw Jac is affiliated with 7 sites of care and 10 medical groups
Dr. Jac's primary practice is MaineHealth Memorial Hospital in North Conway, New Hampshire, part of MaineHealth. Dr. Jac is also affiliated with MaineHealth Maine Medical Center. The medical group on file is MaineHealth Memorial Hospital. Dmand AI also links Dr. Jac to 5 more hospitals and 9 medical groups, each named with a free account. Dr. Jac's employer is on file too: a hospital.
MaineHealth Maine Medical CenterMaineHealth Memorial Hospital5 hospitalsNames with a free account9 medical groupsNames with a free accountEmployer: hospitalName with a free account
See all 17 affiliations for Dr. JacSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jaroslaw Jac's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Jac practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MaineHealth Memorial Hospital | Available with a free account |
| +6 more sites and 9 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jaroslaw Jac is one of 67 hematologists and oncologists in New Hampshire
Hematology and oncology is Dr. Jac's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dmand AI has Dr. Jac's licenses on file in 2 states: Massachusetts and Texas.
Specialties and state licenses
- Hematology and oncology, MassachusettsPrimary
- Texas license
Hematologists and oncologists near Dr. Jac
Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.
67hematologists and oncologists in New Hampshire
2hematologists and oncologists in North Conway
2hematologists and oncologists at MaineHealth Memorial HospitalSources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Jaroslaw Jac billed Medicare for 732 services in 2024
CMS data shows 732 Medicare services from Dr. Jac across 6 procedure codes in 2024, for 402 Medicare patients. Medicare paid $58,372 for them.
Medicare services, 2024732
Medicare patients402
Paid by Medicare$58,372
Procedure codes6
Dr. Jac's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5702024: 73228%
Where Dr. Jac's Medicare services took place, 2024
- In an office55476%
- In a facility17824%
Dr. Jac compared with the New Hampshire median for hematologists and oncologists, 2024
- Dr. Jac
- New Hampshire median
- Medicare services
- 732vs 57627% above
- Medicare patients
- 402vs 24365% above
- Part D claims
- 365vs 21371% above
Medians across 65 hematologists and oncologists in New Hampshire with Dmand AI profiles that report each measure.
Dr. Jac'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. Jac and other hematologists and oncologists in New Hampshire.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jaroslaw Jac treated 402 Medicare patients in 2024, average age 73
CMS counts 402 Medicare patients who saw Dr. Jac in 2024. The largest group is 65 to 74, with 144 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 44% are also on Medicaid. Their average risk score is 2.06, 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. Jac's median patient age at 72, with 53% women.
Medicare patients, 2024402
Average age73
Average risk score2.06
Also on Medicaid44%
Dr. Jac's Medicare patients by age, 2024
Dr. Jac's Medicare patients by sex, 2024
- Women20350%
- Men19950%
Chronic conditions among Dr. Jac's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis45%
- Anxiety44%
- Mood disorders41%
- Chronic kidney disease40%
- Diabetes40%
- Depression37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Jac's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jaroslaw Jac wrote 504 Medicare Part D claims in 2024
In 2024, Dr. Jac wrote 504 Medicare Part D claims for 98 patients. 76% of them were for generic drugs. CMS names the drug for 365 of them, across 19 drugs with 11 or more claims each, at $1,047,534 in total drug cost. In 2023, CMS named 25 claims across 2 drugs.
Part D claims, 2024504
Drugs named by CMS19
Total drug cost$1M
Part D patients98
Dr. Jac's Part D claims by kind of drug, 2024
- Generic385 claims76%
- Brand-name119 claims24%
Dr. Jac'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. Jac's Part D claims, 2024
- Opioids7%35 of 504 claims
- Antibiotics10%48 of 504 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: 252024: 3651360%
Drugs named by CMS: 19 in 2024, 2 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
How Dr. Jaroslaw Jac takes part in Medicare
Dr. Jac accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Jaroslaw Jac has 2 publications on record
Dmand AI links 2 papers to Dr. Jac, published from 2014 to 2018. The most frequent topics are Antibodies, Monoclonal and Antineoplastic Combined Chemotherapy Protocols. Dr. Jac's most frequent co-authors are Jin Ahn, DO, Meilan King Han, MD and Craig C. Hofmeister, MD.
Papers2
Years published2014 to 2018
Topics Dr. Jac writes about most
- Antibodies, Monoclonal
- Antineoplastic Combined Chemotherapy Protocols
Dr. Jac's most frequent co-authors
Recent publications by Dr. Jac
Antibodies, MonoclonalAntineoplastic Combined Chemotherapy ProtocolsErlotinib Hydrochloride
See who Dr. Jac researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Jac works with, so you can find a warm path to the right hematologists and oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Jaroslaw Jac received $1,440 in industry payments from 2017 to 2024
CMS Open Payments shows 54 general payments to Dr. Jac from 23 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 64% of the total. Kadmon Corporation LLC paid the most, $405.
General payments to Dr. Jac by program year, 2017 to 2024
General payments to Dr. Jac by kind, 2017 to 2024
$1.4Kin total
- Food and beverage$91664%
- Travel and lodging$40528%
- Education$1188%
Companies that paid Dr. Jac the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Jaroslaw Jac'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Jaroslaw Jac
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. Jaroslaw Jac's NPI number?
Dr. Jaroslaw Jac's NPI number is 1326029802. It was assigned on November 10, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Jaroslaw Jac?
Dr. Jaroslaw Jac is a hematologist and oncologist in North Conway, New Hampshire. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Jaroslaw Jac practice?
Dr. Jac practices at 3073 White Mountain Highway, North Conway, NH 03860. Dr. Jac's primary practice is MaineHealth Memorial Hospital in North Conway, New Hampshire, part of MaineHealth. Dmand AI also links Dr. Jac to 5 hospitals and 9 medical groups.
What is Dr. Jaroslaw Jac's office phone number?
The practice phone on file for Dr. Jac is (603) 356-5461.
What is Dr. Jaroslaw Jac's medical license number?
Dr. Jac holds Massachusetts license 238060, one of the licenses on file in 2 states.
Which states has Dr. Jaroslaw Jac been licensed in?
Dmand AI has state licenses on file for Dr. Jac in Massachusetts and Texas.
Which hospitals is Dr. Jaroslaw Jac affiliated with?
Dr. Jac practices at MaineHealth Memorial Hospital in North Conway, New Hampshire. Dr. Jac is also affiliated with MaineHealth Maine Medical Center. Dmand AI links Dr. Jac to 5 more hospitals.
What medical group is Dr. Jaroslaw Jac part of?
Dr. Jac is linked to MaineHealth Memorial Hospital. Dmand AI links Dr. Jac to 9 more medical groups.
Does Dr. Jaroslaw Jac accept Medicare?
Yes. CMS data shows Dr. Jac billed Medicare for 732 services in 2024, and Dr. Jac accepts Medicare assignment.
How many Medicare patients does Dr. Jaroslaw Jac see?
CMS counts 402 Medicare patients who saw Dr. Jac in 2024, with an average age of 73.
Show 6 more questionsShow fewer questions
What services does Dr. Jaroslaw Jac bill to Medicare?
In 2024, Dr. Jac's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and hospital inpatient care (99222).
What drugs does Dr. Jaroslaw Jac prescribe most?
In 2024 Medicare Part D data, Dr. Jac's most prescribed drugs by claims were Prochlorperazine Maleate, Sulfamethoxazole-Trimethoprim and Xtandi.
Has Dr. Jaroslaw Jac received payments from drug or device companies?
CMS Open Payments shows $1,440 in general payments to Dr. Jac from 23 companies from 2017 to 2024. The largest total came from Kadmon Corporation LLC.
How long has Dr. Jaroslaw Jac been practicing?
Dr. Jac graduated from medical school in 1990, 36 years ago.
Does Dr. Jaroslaw Jac do research?
Dmand AI links 2 publications to Dr. Jac, published from 2014 to 2018.
Who does Dr. Jaroslaw Jac publish with?
Dr. Jac's most frequent co-authors are Jin Ahn, DO (1 shared paper), Meilan King Han, MD (1 shared paper) and Craig C. Hofmeister, MD (1 shared paper).
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