Dr. Michael I. McNellis, MD
- Medicare services, 2024
- 167
- Medicare patients, 2024
- 78
- Part D claims, 2024
- 871
- Hospital affiliations
- 1
- Industry payments
- $47
- Practice address
- 1615 Delaware Street, Longview, WA 98632
- Practice phone
- Call (360) 414-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Michael I. McNellis is a pulmonologist in Longview, Washington
Dr. McNellis practices at PeaceHealth St. John Medical Center in Longview, Washington, part of PeaceHealth.
Dr. McNellis' NPI, 1649262171, was assigned on August 19, 2005. Dr. McNellis holds Washington license MD00031478.
- NPI
- 1649262171NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9133139124
- NPI enumeration date
- August 19, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (360) 414-2000
- 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. Michael I. McNellis practices at PeaceHealth St. John Medical Center in Longview, Washington
Dr. McNellis' primary practice is PeaceHealth St. John Medical Center, at 1615 Delaware Street, Longview, WA 98632 in Cowlitz County. The practice phone is (360) 414-2000.
- PeaceHealth St. John Medical Center1615 Delaware Street, Longview, WA 98632 · Cowlitz CountyPhone(360) 414-2000
Source: Dmand AI Affiliation Data
Dr. Michael I. McNellis is affiliated with 1 site of care and 1 medical group
Dr. McNellis' primary practice is PeaceHealth St. John Medical Center in Longview, Washington, part of PeaceHealth. The medical group on file is PeaceHealth St. John Medical Center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael I. McNellis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McNellis practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| PeaceHealth St. John Medical Center | 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 PeaceHealth and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Michael I. McNellis is one of 294 pulmonologists in Washington
Pulmonary disease is Dr. McNellis' primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. McNellis is licensed in Washington.
Specialties and state licenses
- Pulmonary disease, WashingtonPrimary
Pulmonologists near Dr. McNellis
Counts of pulmonologists 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 I. McNellis billed Medicare for 167 services in 2024
CMS data shows 167 Medicare services from Dr. McNellis across 6 procedure codes in 2024, for 78 Medicare patients. Medicare paid $3,792 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. McNellis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1492024: 11225%
- Office and hospital visits
- 2023: 772024: 5529%
Dr. McNellis compared with the Washington median for pulmonologists, 2024
- Dr. McNellis
- Washington median
- Medicare services
- 167vs 35553% below
- Medicare patients
- 78vs 18157% below
- Part D claims
- 753vs 49253% above
Medians across 294 pulmonologists in Washington with Dmand AI profiles that report each measure.
Dr. McNellis' 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. McNellis?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. McNellis and other pulmonologists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael I. McNellis treated 78 Medicare patients in 2024, average age 74
CMS counts 78 Medicare patients who saw Dr. McNellis in 2024. The largest group is 75 to 84, with 34 patients. 72% of them have high blood pressure, and 58% have high cholesterol. Their average risk score is 1.68, 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. McNellis' median patient age at 72, with 42% women.
Dr. McNellis' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. McNellis' Medicare patients by sex, 2024
- Women3646%
- Men4254%
Chronic conditions among Dr. McNellis' Medicare patients, 2024
- High blood pressure72%
- High cholesterol58%
- COPD56%
- Ischemic heart disease38%
- Arthritis35%
- Atrial fibrillation31%
- Chronic kidney disease31%
- Heart failure31%
Share of Medicare patients with each condition. A patient can have several.
Dr. McNellis' 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
- Women42%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael I. McNellis wrote 871 Medicare Part D claims in 2024
In 2024, Dr. McNellis wrote 871 Medicare Part D claims for 154 patients. 43% of them were for generic drugs. CMS names the drug for 753 of them, across 17 drugs with 11 or more claims each, at $375,592 in total drug cost. In 2023, CMS named 925 claims across 24 drugs.
Dr. McNellis' Part D claims by kind of drug, 2024
- Generic375 claims43%
- Brand-name496 claims57%
Dr. McNellis' 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. McNellis' Part D claims, 2024
- Antibiotics4%34 of 871 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: 9252024: 75319%
Drugs named by CMS: 17 in 2024, 24 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. Michael I. McNellis takes part in Medicare
Dr. McNellis 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. Michael I. McNellis received $47 in industry payments from 2021 to 2025
CMS Open Payments shows 3 general payments to Dr. McNellis from 3 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $17.
General payments to Dr. McNellis by program year, 2021 to 2025
Companies that paid Dr. McNellis the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Michael I. McNellis'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) |
| 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. Michael I. McNellis
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 I. McNellis' NPI number?
Dr. Michael I. McNellis' NPI number is 1649262171. It was assigned on August 19, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael I. McNellis?
Dr. Michael I. McNellis is a pulmonologist in Longview, Washington. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. Michael I. McNellis practice?
Dr. McNellis practices at 1615 Delaware Street, Longview, WA 98632. Dr. McNellis' primary practice is PeaceHealth St. John Medical Center in Longview, Washington, part of PeaceHealth.
What is Dr. Michael I. McNellis' office phone number?
The practice phone on file for Dr. McNellis is (360) 414-2000.
What is Dr. Michael I. McNellis' medical license number?
Dr. McNellis holds Washington license MD00031478.
Which hospitals is Dr. Michael I. McNellis affiliated with?
Dr. McNellis practices at PeaceHealth St. John Medical Center in Longview, Washington.
What medical group is Dr. Michael I. McNellis part of?
Dr. McNellis is linked to PeaceHealth St. John Medical Center.
Does Dr. Michael I. McNellis accept Medicare?
Yes. CMS data shows Dr. McNellis billed Medicare for 167 services in 2024, and Dr. McNellis accepts Medicare assignment.
How many Medicare patients does Dr. Michael I. McNellis see?
CMS counts 78 Medicare patients who saw Dr. McNellis in 2024, with an average age of 74.
What services does Dr. Michael I. McNellis bill to Medicare?
In 2024, Dr. McNellis' most billed Medicare services were lung function service (94729), lung function service (94726) and office visit, established patient (99213).
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What drugs does Dr. Michael I. McNellis prescribe most?
In 2024 Medicare Part D data, Dr. McNellis' most prescribed drugs by claims were Montelukast Sodium, Albuterol Sulfate Hfa and Spiriva Handihaler.
Has Dr. Michael I. McNellis received payments from drug or device companies?
CMS Open Payments shows $47 in general payments to Dr. McNellis from 3 companies from 2021 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Michael I. McNellis been practicing?
Dr. McNellis graduated from medical school in 1990, 36 years ago.
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