Sara M. Douglas, NP
- Medicare patients, 2024
- 169
- Part D claims, 2024
- 4,884
- Hospital affiliations
- 2
- Industry payments
- $24
- Medical group
- 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 Sara Douglas' 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.
Sara M. Douglas is a nurse practitioner in Waterloo, Iowa
Sara Douglas practices at MercyOne Waterloo Medical Center in Waterloo, Iowa, part of Trinity Health.
Sara Douglas' NPI, 1639154016, was assigned on December 8, 2005. Sara Douglas holds Iowa license A-084442.
- NPI
- 1639154016NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3577659986
- NPI enumeration date
- December 8, 2005
- 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
- Female
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Sara M. Douglas practices at MercyOne Waterloo Medical Center in Waterloo, Iowa
Sara Douglas' 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
Sara M. Douglas is affiliated with 5 sites of care and 1 medical group
Sara Douglas' primary practice is MercyOne Waterloo Medical Center in Waterloo, Iowa, part of Trinity Health. Sara Douglas is also affiliated with MercyOne Cedar Falls Medical Center. The medical group on file is MercyOne Waterloo OB/GYN. Dmand AI also links Sara Douglas to 1 more group practice or clinic, 1 hospice and 1 skilled nursing facility, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Sara M. Douglas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Sara Douglas 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.
Sara M. Douglas is one of 1,051 nurse practitioners in Iowa
Nurse practitioner is Sara Douglas' primary specialty in the NPI Registry, under taxonomy code 363L00000X. Sara Douglas is licensed in Iowa.
Specialties and state licenses
- Nurse practitioner, IowaPrimary
Nurse practitioners near Sara Douglas
Counts of nurse practitioners 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
Sara M. Douglas treated 169 Medicare patients in 2024, average age 72
CMS counts 169 Medicare patients who saw Sara Douglas in 2024. The largest group is 65 to 74, with 83 patients. 67% of them have high cholesterol, and 63% have high blood pressure. 12% are also on Medicaid. Their average risk score is 0.95, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Sara Douglas' median patient age at 66, with 87% women.
Sara Douglas' Medicare patients by age, 2024
Sara Douglas' Medicare patients by sex, 2024
- Women14586%
- Men2414%
Chronic conditions among Sara Douglas' Medicare patients, 2024
- High cholesterol67%
- High blood pressure63%
- Arthritis43%
- Osteoporosis32%
- Anxiety28%
- Mood disorders26%
- Depression24%
- Diabetes24%
Share of Medicare patients with each condition. A patient can have several.
Sara Douglas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women87%
- Men13%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Sara M. Douglas wrote 4,884 Medicare Part D claims in 2024
In 2024, Sara Douglas wrote 4,884 Medicare Part D claims for 411 patients. 89% of them were for generic drugs.
Sara Douglas' Part D claims by kind of drug, 2024
- Generic4,368 claims89%
- Brand-name494 claims10%
- Other22 claims0%
Drug classes CMS tracks in Sara Douglas' Part D claims, 2024
- Opioids6%283 of 4,884 claims
- Antibiotics4%215 of 4,884 claims
- Antipsychotics, patients 65 and over1%35 of 4,884 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Sara M. Douglas takes part in Medicare
Sara Douglas 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sara M. Douglas received $24 in industry payments in 2025
CMS Open Payments shows 1 general payment to Sara Douglas from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $24.
Companies that paid Sara Douglas the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Sara M. Douglas'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| 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 Sara M. Douglas
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Sara M. Douglas' NPI number?
Sara M. Douglas' NPI number is 1639154016. It was assigned on December 8, 2005, and it is active in the NPI Registry.
What does Sara M. Douglas specialize in?
Sara M. Douglas is a nurse practitioner in Waterloo, Iowa. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Sara M. Douglas practice?
Sara Douglas practices at 3421 West Ninth Street, Waterloo, IA 50702. Sara Douglas' primary practice is MercyOne Waterloo Medical Center in Waterloo, Iowa, part of Trinity Health. Dmand AI also links Sara Douglas to 1 group practice or clinic, 1 hospice and 1 skilled nursing facility.
What is Sara M. Douglas' office phone number?
The practice phone on file for Sara Douglas is (319) 272-8000.
What is Sara M. Douglas' medical license number?
Sara Douglas holds Iowa license A-084442.
Which hospitals is Sara M. Douglas affiliated with?
Sara Douglas practices at MercyOne Waterloo Medical Center in Waterloo, Iowa. Sara Douglas is also affiliated with MercyOne Cedar Falls Medical Center.
What medical group is Sara M. Douglas part of?
Sara Douglas is linked to MercyOne Waterloo OB/GYN.
Does Sara M. Douglas accept Medicare?
Yes. CMS lists Sara Douglas as accepting Medicare assignment.
How many Medicare patients does Sara M. Douglas see?
CMS counts 169 Medicare patients who saw Sara Douglas in 2024, with an average age of 72.
Has Sara M. Douglas received payments from drug or device companies?
CMS Open Payments shows $24 in general payments to Sara Douglas from 1 company from 2025 to 2025. The largest total came from Pfizer Inc.
How long has Sara M. Douglas been practicing?
Sara Douglas graduated from medical school in 1999, 27 years ago.
Selling to nurse practitioner practices?
See nurse practitioners in Iowa by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card