Dr. John Sherret, DO
- Part D claims, 2024
- 56
- Hospital affiliations
- 4
- Industry payments
- $5,958
- Medical group
- 1
- State license
- 1
- Practice address
- 3421 West Ninth Street, Waterloo, IA 50702
- Practice phone
- Call (319) 272-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Sherret'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. John Sherret is a pulmonologist in Waterloo, Iowa
Dr. Sherret practices at MercyOne Waterloo Medical Center in Waterloo, Iowa, part of Trinity Health.
Dr. Sherret's NPI, 1699330381, was assigned on May 8, 2019. Dr. Sherret graduated from Liberty Univ College of Osteopathic Medicine in 2019. Dr. Sherret holds Iowa license DO-06848.
- NPI
- 1699330381NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012384050
- NPI enumeration date
- May 8, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (319) 272-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Sherret practices at MercyOne Waterloo Medical Center in Waterloo, Iowa
Dr. Sherret's primary practice is MercyOne Waterloo Medical Center, at 3421 West Ninth Street, Waterloo, IA 50702 in Black Hawk County. The practice phone is (319) 272-8000.
- MercyOne Waterloo Medical Center3421 West Ninth Street, Waterloo, IA 50702 · Black Hawk CountyPhone(319) 272-8000
Source: Dmand AI Affiliation Data
Dr. John Sherret is affiliated with 5 sites of care and 1 medical group
Dr. Sherret's primary practice is MercyOne Waterloo Medical Center in Waterloo, Iowa, part of Trinity Health. Dr. Sherret is also affiliated with UnityPoint Health - Allen Hospital. The medical group on file is MercyOne Waterloo OB/GYN. Dmand AI also links Dr. Sherret to 2 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Sherret's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sherret practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MercyOne Waterloo Medical Center | Available with a free account |
| +4 more affiliated sites | 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 Trinity Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Sherret is one of 124 pulmonologists in Iowa
Pulmonary disease is Dr. Sherret's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Sherret is licensed in Iowa.
Specialties and state licenses
- Pulmonary disease, IowaPrimary
Pulmonologists near Dr. Sherret
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. John Sherret's patients have a median age of 70
Across all payers, Dmand AI patient panel data puts Dr. Sherret's median patient age at 70, with 44% women.
Dr. Sherret'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
- Women44%
- Men56%
Source: Dmand AI Patient Panel Data
Dr. John Sherret wrote 56 Medicare Part D claims in 2024
In 2024, Dr. Sherret wrote 56 Medicare Part D claims for 30 patients. 54% of them were for generic drugs.
Dr. Sherret's Part D claims by kind of drug, 2024
- Generic30 claims54%
- Brand-name26 claims46%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. John Sherret takes part in Medicare
Dr. Sherret 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. John Sherret received $5,958 in industry payments in 2025
CMS Open Payments shows 55 general payments to Dr. Sherret from 18 drug and device companies in 2025. Education make up the largest share, 69% of the total. Intuitive Surgical, Inc. paid the most, $4,787.
General payments to Dr. Sherret by kind, 2025 to 2025
- Education$4,10069%
- Food and beverage$1,08818%
- Travel and lodging$77013%
Companies that paid Dr. Sherret the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Sherret graduated from Liberty Univ College of Osteopathic Medicine
Dr. Sherret graduated from Liberty Univ College of Osteopathic Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Sherret'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | 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. John Sherret
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. John Sherret's NPI number?
Dr. John Sherret's NPI number is 1699330381. It was assigned on May 8, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. John Sherret?
Dr. John Sherret is a pulmonologist in Waterloo, Iowa. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. John Sherret practice?
Dr. Sherret practices at 3421 West Ninth Street, Waterloo, IA 50702. Dr. Sherret's primary practice is MercyOne Waterloo Medical Center in Waterloo, Iowa, part of Trinity Health. Dmand AI also links Dr. Sherret to 2 hospitals and 1 group practice or clinic.
What is Dr. John Sherret's office phone number?
The practice phone on file for Dr. Sherret is (319) 272-8000.
What is Dr. John Sherret's medical license number?
Dr. Sherret holds Iowa license DO-06848.
Which hospitals is Dr. John Sherret affiliated with?
Dr. Sherret practices at MercyOne Waterloo Medical Center in Waterloo, Iowa. Dr. Sherret is also affiliated with UnityPoint Health - Allen Hospital. Dmand AI links Dr. Sherret to 2 more hospitals.
What medical group is Dr. John Sherret part of?
Dr. Sherret is linked to MercyOne Waterloo OB/GYN.
Does Dr. John Sherret accept Medicare?
Yes. CMS lists Dr. Sherret as accepting Medicare assignment.
Where did Dr. John Sherret go to medical school?
Dr. Sherret graduated from Liberty Univ College of Osteopathic Medicine in 2019.
Has Dr. John Sherret received payments from drug or device companies?
CMS Open Payments shows $5,958 in general payments to Dr. Sherret from 18 companies from 2025 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. John Sherret been practicing?
Dr. Sherret graduated from medical school in 2019, 7 years ago.
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