Dr. Michael Charles Ollendieck, MD
- Medicare services, 2024
- 1,065
- Medicare patients, 2024
- 328
- Part D claims, 2024
- 6,921
- Hospital affiliations
- 4
- Medical group
- 1
- Practice address
- 5 Dow Jones Ave, Nashua, NH 03062
- 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. Ollendieck'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. Michael Charles Ollendieck is an internist in Nashua, New Hampshire
Dr. Ollendieck practices at Foundation Medical Partners Inc in Nashua, New Hampshire.
Dr. Ollendieck's NPI, 1235104126, was assigned on February 22, 2006. Dr. Ollendieck holds New Hampshire license 11457.
- NPI
- 1235104126NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7719065135
- NPI enumeration date
- February 22, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (603) 281-8585
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael Charles Ollendieck practices at Foundation Medical Partners Inc in Nashua, New Hampshire
Dr. Ollendieck's primary practice is Foundation Medical Partners Inc, at 5 Dow Jones Ave, Nashua, NH 03062 in Hillsborough County. The practice phone is (603) 281-8585.
- Foundation Medical Partners Inc5 Dow Jones Ave, Nashua, NH 03062 · Hillsborough CountyPhone(603) 281-8585
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Michael Charles Ollendieck is affiliated with 8 sites of care and 1 medical group
Dr. Ollendieck's primary practice is Foundation Medical Partners Inc in Nashua, New Hampshire. Dr. Ollendieck is also affiliated with St. Joseph Hospital. The medical group on file is Foundation Medical Partners. Dmand AI also links Dr. Ollendieck to 3 more hospitals, 2 home health agencies and 1 group practice or clinic, 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. Michael Charles Ollendieck's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ollendieck practices, 7 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 |
| +7 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael Charles Ollendieck is one of 577 internists in New Hampshire
Internal medicine is Dr. Ollendieck's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ollendieck is licensed in New Hampshire.
Specialties and state licenses
- Internal medicine, New HampshirePrimary
Internists near Dr. Ollendieck
Counts of internists 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. Michael Charles Ollendieck billed Medicare for 1,065 services in 2024
CMS data shows 1,065 Medicare services from Dr. Ollendieck across 14 procedure codes in 2024, for 328 Medicare patients. Medicare paid $88,946 for them. Every service was in an office.
Dr. Ollendieck's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6162024: 5835%
- Other services
- 2023: 3202024: 3084%
- Tests and treatments
- 2023: 1242024: 9722%
- Lab and pathology
- 2023: 892024: 7713%
Dr. Ollendieck compared with the New Hampshire median for internists, 2024
- Dr. Ollendieck
- New Hampshire median
- Medicare services
- 1,065vs 4302.5 times
- Medicare patients
- 328vs 23142% above
- Part D claims
- 6,308vs 17935.2 times
Medians across 583 internists in New Hampshire with Dmand AI profiles that report each measure.
Dr. Ollendieck'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. Michael Charles Ollendieck treated 328 Medicare patients in 2024, average age 76
CMS counts 328 Medicare patients who saw Dr. Ollendieck in 2024. The largest group is 75 to 84, with 140 patients. 75% of them have high cholesterol, and 70% have high blood pressure. Their average risk score is 0.89, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ollendieck's median patient age at 70, with 28% women.
Dr. Ollendieck's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ollendieck's Medicare patients by sex, 2024
- Women9429%
- Men23471%
Chronic conditions among Dr. Ollendieck's Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Arthritis34%
- Diabetes22%
- Ischemic heart disease22%
- Chronic kidney disease20%
- Atrial fibrillation18%
- Cancer16%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ollendieck's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women28%
- Men72%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael Charles Ollendieck wrote 6,921 Medicare Part D claims in 2024
In 2024, Dr. Ollendieck wrote 6,921 Medicare Part D claims for 582 patients. 91% of them were for generic drugs. CMS names the drug for 6,308 of them, across 105 drugs with 11 or more claims each, at $458,442 in total drug cost. In 2023, CMS named 6,090 claims across 106 drugs.
Dr. Ollendieck's Part D claims by kind of drug, 2024
- Generic6,327 claims91%
- Brand-name557 claims8%
- Other37 claims1%
Dr. Ollendieck'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. Ollendieck's Part D claims, 2024
- Opioids3%177 of 6,921 claims
- Antibiotics1%59 of 6,921 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: 6,0902024: 6,3084%
Drugs named by CMS: 105 in 2024, 106 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. Michael Charles Ollendieck offers telehealth to Medicare patients
Dr. Ollendieck accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ollendieck as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Sources for Dr. Michael Charles Ollendieck'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)Doctors and Clinicians Utilization Data (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. Michael Charles Ollendieck
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. Michael Charles Ollendieck's NPI number?
Dr. Michael Charles Ollendieck's NPI number is 1235104126. It was assigned on February 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Charles Ollendieck?
Dr. Michael Charles Ollendieck is an internist in Nashua, New Hampshire. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Michael Charles Ollendieck practice?
Dr. Ollendieck practices at 5 Dow Jones Ave, Nashua, NH 03062. Dr. Ollendieck's primary practice is Foundation Medical Partners Inc in Nashua, New Hampshire. Dmand AI also links Dr. Ollendieck to 3 hospitals, 2 home health agencies and 1 group practice or clinic.
What is Dr. Michael Charles Ollendieck's office phone number?
The practice phone on file for Dr. Ollendieck is (603) 281-8585.
What is Dr. Michael Charles Ollendieck's medical license number?
Dr. Ollendieck holds New Hampshire license 11457.
Which hospitals is Dr. Michael Charles Ollendieck affiliated with?
Dr. Ollendieck is affiliated with St. Joseph Hospital. Dmand AI links Dr. Ollendieck to 3 more hospitals.
What medical group is Dr. Michael Charles Ollendieck part of?
Dr. Ollendieck is linked to Foundation Medical Partners.
Does Dr. Michael Charles Ollendieck accept Medicare?
Yes. CMS data shows Dr. Ollendieck billed Medicare for 1,065 services in 2024, and Dr. Ollendieck accepts Medicare assignment.
Does Dr. Michael Charles Ollendieck offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ollendieck as offering telehealth services.
How many Medicare patients does Dr. Michael Charles Ollendieck see?
CMS counts 328 Medicare patients who saw Dr. Ollendieck in 2024, with an average age of 76.
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What services does Dr. Michael Charles Ollendieck bill to Medicare?
In 2024, Dr. Ollendieck's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0439).
What drugs does Dr. Michael Charles Ollendieck prescribe most?
In 2024 Medicare Part D data, Dr. Ollendieck's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
How long has Dr. Michael Charles Ollendieck been practicing?
Dr. Ollendieck graduated from medical school in 1998, 28 years ago.
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