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Dr. Mark E. Posnick, DO
NPI1194218834PAC ID8022412394
- Medicare services, 2024
- 451
- Medicare patients, 2024
- 160
- Part D claims, 2024
- 3,301
- Publications
- 1
- Hospital affiliations
- 3
- Practice address
- 17 Prospect St, Nashua, NH 03060
- Practice phone
- Call (603) 281-8585
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Foundation Medical Partners Inc
Nashua, New Hampshire
Find Dr. Posnick's professional email, personal email and mobile number
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Dr. Mark E. Posnick is a family medicine physician in Nashua, New Hampshire
Dr. Posnick practices at Foundation Medical Partners Inc in Nashua, New Hampshire.
Dr. Posnick's NPI, 1194218834, was assigned on June 7, 2018. Dr. Posnick graduated from Lake Erie Col of Osteopathic Medicine, Bradenton in 2018. Dr. Posnick holds New Hampshire license 21698.
NPI and contact details
- NPI
- 1194218834NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022412394
- NPI enumeration date
- June 7, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (603) 281-8585
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark E. Posnick practices at Foundation Medical Partners Inc in Nashua, New Hampshire
Dr. Posnick's primary practice is Foundation Medical Partners Inc, at 17 Prospect St, Nashua, NH 03060 in Hillsborough County. The practice phone is (603) 281-8585.
- Foundation Medical Partners Inc17 Prospect St, Nashua, NH 03060 · Hillsborough CountyPhone(603) 281-8585
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mark E. Posnick is affiliated with 6 sites of care and 1 medical group
Dr. Posnick's primary practice is Foundation Medical Partners Inc in Nashua, New Hampshire. Dr. Posnick is also affiliated with St. Joseph Hospital. The medical group on file is Foundation Medical Partners. Dmand AI also links Dr. Posnick to 2 more hospitals, 1 group practice or clinic and 1 home health agency, each named with a free account.
Foundation Medical Partners IncPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Mark E. Posnick's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Posnick practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Foundation Medical Partners Inc | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark E. Posnick is one of 626 family medicine physicians in New Hampshire
Family medicine is Dr. Posnick's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dmand AI has Dr. Posnick's licenses on file in 2 states: New Hampshire and Pennsylvania.
Specialties and state licenses
- Family medicine, New HampshirePrimary
- Pennsylvania license
Family medicine physicians near Dr. Posnick
Counts of family medicine physicians 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. Mark E. Posnick billed Medicare for 451 services in 2024
CMS data shows 451 Medicare services from Dr. Posnick across 9 procedure codes in 2024, for 160 Medicare patients. Medicare paid $40,302 for them. Every service was in an office.
Medicare services, 2024451
Medicare patients160
Paid by Medicare$40,302
Procedure codes9
Dr. Posnick's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2362024: 28320%
- Other services
- 2023: 1152024: 13921%
- Tests and treatments
- 2023: 742024: 2961%
Dr. Posnick compared with the New Hampshire median for family medicine physicians, 2024
- Dr. Posnick
- New Hampshire median
- Medicare services
- 451vs 32638% above
- Medicare patients
- 160vs 19116% below
- Part D claims
- 2,713vs 9662.8 times
Medians across 656 family medicine physicians in New Hampshire with Dmand AI profiles that report each measure.
Dr. Posnick'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. Posnick and other family medicine physicians in New Hampshire.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark E. Posnick treated 160 Medicare patients in 2024, average age 72
CMS counts 160 Medicare patients who saw Dr. Posnick in 2024. The largest group is 65 to 74, with 91 patients. 75% of them have high cholesterol, and 70% have high blood pressure. 9% are also on Medicaid. Their average risk score is 1.18, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Posnick's median patient age at 52, with 29% women.
Medicare patients, 2024160
Average age72
Average risk score1.18
Also on Medicaid9%
Dr. Posnick's Medicare patients by age, 2024
Dr. Posnick's Medicare patients by sex, 2024
- Women6440%
- Men9660%
Chronic conditions among Dr. Posnick's Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Arthritis34%
- Anxiety27%
- Diabetes26%
- Atrial fibrillation24%
- Mood disorders23%
- Chronic kidney disease21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Posnick's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women29%
- Men70%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark E. Posnick wrote 3,301 Medicare Part D claims in 2024
In 2024, Dr. Posnick wrote 3,301 Medicare Part D claims for 312 patients. 90% of them were for generic drugs. CMS names the drug for 2,713 of them, across 70 drugs with 11 or more claims each, at $183,733 in total drug cost. In 2023, CMS named 2,123 claims across 64 drugs.
Part D claims, 20243,301
Drugs named by CMS70
Total drug cost$183,733
Part D patients312
Dr. Posnick's Part D claims by kind of drug, 2024
- Generic2,979 claims90%
- Brand-name and other322 claims10%
Dr. Posnick'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. Posnick's Part D claims, 2024
- Opioids2%67 of 3,301 claims
- Antibiotics2%79 of 3,301 claims
- Antipsychotics, patients 65 and over0%16 of 3,301 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: 2,1232024: 2,71328%
Drugs named by CMS: 70 in 2024, 64 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. Mark E. Posnick takes part in Medicare
Dr. Posnick 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. Mark E. Posnick has 1 publication on record
Dmand AI links 1 paper to Dr. Posnick in 2014. Dr. Posnick's most frequent co-authors are Dana Saud Alessa, MD and Sowmya Lakshmi Varada, MD.
Papers1
Dr. Posnick's most frequent co-authors
Recent publications by Dr. Posnick
See who Dr. Posnick researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Posnick works with, so you can find a warm path to the right family medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mark E. Posnick received $3,549 in industry payments from 2019 to 2025
CMS Open Payments shows 44 general payments to Dr. Posnick from 14 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. Sanofi and Genzyme US Companies paid the most, $865.
General payments to Dr. Posnick by program year, 2019 to 2025
Companies that paid Dr. Posnick the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark E. Posnick graduated from Lake Erie Col of Osteopathic Medicine, Bradenton
Dr. Posnick graduated from Lake Erie Col of Osteopathic Medicine, Bradenton in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark E. Posnick'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) |
| 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) |
| 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. Mark E. Posnick
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. Mark E. Posnick's NPI number?
Dr. Mark E. Posnick's NPI number is 1194218834. It was assigned on June 7, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark E. Posnick?
Dr. Mark E. Posnick is a family medicine physician in Nashua, New Hampshire. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Mark E. Posnick practice?
Dr. Posnick practices at 17 Prospect St, Nashua, NH 03060. Dr. Posnick's primary practice is Foundation Medical Partners Inc in Nashua, New Hampshire. Dmand AI also links Dr. Posnick to 2 hospitals, 1 group practice or clinic and 1 home health agency.
What is Dr. Mark E. Posnick's office phone number?
The practice phone on file for Dr. Posnick is (603) 281-8585.
What is Dr. Mark E. Posnick's medical license number?
Dr. Posnick holds New Hampshire license 21698, one of the licenses on file in 2 states.
Which states has Dr. Mark E. Posnick been licensed in?
Dmand AI has state licenses on file for Dr. Posnick in New Hampshire and Pennsylvania.
Which hospitals is Dr. Mark E. Posnick affiliated with?
Dr. Posnick is affiliated with St. Joseph Hospital. Dmand AI links Dr. Posnick to 2 more hospitals.
What medical group is Dr. Mark E. Posnick part of?
Dr. Posnick is linked to Foundation Medical Partners.
Does Dr. Mark E. Posnick accept Medicare?
Yes. CMS data shows Dr. Posnick billed Medicare for 451 services in 2024, and Dr. Posnick accepts Medicare assignment.
How many Medicare patients does Dr. Mark E. Posnick see?
CMS counts 160 Medicare patients who saw Dr. Posnick in 2024, with an average age of 72.
Show 7 more questionsShow fewer questions
What services does Dr. Mark E. Posnick bill to Medicare?
In 2024, Dr. Posnick's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99213).
Where did Dr. Mark E. Posnick go to medical school?
Dr. Posnick graduated from Lake Erie Col of Osteopathic Medicine, Bradenton in 2018.
What drugs does Dr. Mark E. Posnick prescribe most?
In 2024 Medicare Part D data, Dr. Posnick's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Gabapentin.
Has Dr. Mark E. Posnick received payments from drug or device companies?
CMS Open Payments shows $3,549 in general payments to Dr. Posnick from 14 companies from 2019 to 2025. The largest total came from Sanofi and Genzyme US Companies.
How long has Dr. Mark E. Posnick been practicing?
Dr. Posnick graduated from medical school in 2018, 8 years ago.
Does Dr. Mark E. Posnick do research?
Dmand AI links 1 publication to Dr. Posnick.
Who does Dr. Mark E. Posnick publish with?
Dr. Posnick's most frequent co-authors are Dana Saud Alessa, MD (1 shared paper) and Sowmya Lakshmi Varada, MD (1 shared paper).
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