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Dr. Zachary Hill Douglas, MD
NPI1437643574PAC ID9830553221
- Medicare services, 2024
- 754
- Medicare patients, 2024
- 380
- Part D claims, 2024
- 840
- Publications
- 2
- Hospital affiliations
- 6
- Practice address
- 3015 N Ballas Rd, Saint Louis, MO 63131
- Practice phone
- Call (314) 996-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Douglas' professional email, personal email and mobile number
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Dr. Zachary Hill Douglas is an otolaryngologist in Saint Louis, Missouri
Dr. Douglas practices at Missouri Baptist Medical Center in Saint Louis, Missouri, part of BJC Health.
Dr. Douglas' NPI, 1437643574, was assigned on June 21, 2018. Dr. Douglas graduated from University of Washington School of Medicine in 2018. Dr. Douglas holds Missouri license 2023028372.
NPI and contact details
- NPI
- 1437643574NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830553221
- NPI enumeration date
- June 21, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 996-5000
- 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 Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Zachary Hill Douglas practices at Missouri Baptist Medical Center in Saint Louis, Missouri
Dr. Douglas' primary practice is Missouri Baptist Medical Center, at 3015 N Ballas Rd, Saint Louis, MO 63131 in St. Louis County. The practice phone is (314) 996-5000.
- Missouri Baptist Medical Center3015 N Ballas Rd, Saint Louis, MO 63131 · St. Louis CountyPhone(314) 996-5000
Source: Dmand AI Affiliation Data
Dr. Zachary Hill Douglas is affiliated with 7 sites of care and 1 medical group
Dr. Douglas' primary practice is Missouri Baptist Medical Center in Saint Louis, Missouri, part of BJC Health. Dr. Douglas is also affiliated with Barnes-Jewish Hospital. The medical group on file is BJC Medical Group. Dmand AI also links Dr. Douglas to 4 more hospitals and 1 group practice or clinic, each named with a free account.
Barnes-Jewish HospitalBJC Medical Group4 hospitalsNames with a free account1 group practice or clinicName with a free account
See all 8 affiliations for Dr. DouglasSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Zachary Hill Douglas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Douglas practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Missouri Baptist Medical Center | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Zachary Hill Douglas is one of 195 otolaryngologists in Missouri
Otolaryngology is Dr. Douglas' primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Dr. Douglas is licensed in Missouri.
Specialties and state licenses
- Otolaryngology, MissouriPrimary
Otolaryngologists near Dr. Douglas
Counts of otolaryngologists with a Dmand AI profile, by place and practice. Each opens the list.
195otolaryngologists in Missouri72otolaryngologists in Saint Louis5otolaryngologists at Missouri Baptist Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Zachary Hill Douglas billed Medicare for 754 services in 2024
CMS data shows 754 Medicare services from Dr. Douglas across 9 procedure codes in 2024, for 380 Medicare patients. Medicare paid $58,371 for them. Every service was in an office.
Medicare services, 2024754
Medicare patients380
Paid by Medicare$58,371
Procedure codes9
Dr. Douglas' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1242024: 504306%
- Surgery
- 2023: 572024: 214275%
- Other services
- 2023: 02024: 36
Dr. Douglas compared with the Missouri median for otolaryngologists, 2024
- Dr. Douglas
- Missouri median
- Medicare services
- 754vs 57431% above
- Medicare patients
- 380vs 26344% above
- Part D claims
- 751vs 1435.3 times
Medians across 192 otolaryngologists in Missouri with Dmand AI profiles that report each measure.
Dr. Douglas' 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. Douglas?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Douglas and other otolaryngologists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Zachary Hill Douglas treated 380 Medicare patients in 2024, average age 74
CMS counts 380 Medicare patients who saw Dr. Douglas in 2024. The largest group is 65 to 74, with 166 patients. 74% of them have high cholesterol, and 70% have high blood pressure. 9% are also on Medicaid. Their average risk score is 1.25, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Douglas' median patient age at 68, with 55% women.
Medicare patients, 2024380
Average age74
Average risk score1.25
Also on Medicaid9%
Dr. Douglas' Medicare patients by age, 2024
Dr. Douglas' Medicare patients by sex, 2024
- Women21456%
- Men16644%
Chronic conditions among Dr. Douglas' Medicare patients, 2024
- High cholesterol74%
- High blood pressure70%
- Arthritis52%
- Ischemic heart disease28%
- Mood disorders27%
- Anxiety25%
- Depression24%
- Diabetes24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Douglas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Zachary Hill Douglas wrote 840 Medicare Part D claims in 2024
In 2024, Dr. Douglas wrote 840 Medicare Part D claims for 332 patients. 98% of them were for generic drugs. CMS names the drug for 751 of them, across 13 drugs with 11 or more claims each, at $13,296 in total drug cost. In 2023, CMS named 95 claims across 4 drugs.
Part D claims, 2024840
Drugs named by CMS13
Total drug cost$13,296
Part D patients332
Dr. Douglas' Part D claims by kind of drug, 2024
- Generic825 claims98%
- Brand-name15 claims2%
Dr. Douglas' 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. Douglas' Part D claims, 2024
- Opioids3%24 of 840 claims
- Antibiotics5%40 of 840 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: 952024: 751691%
Drugs named by CMS: 13 in 2024, 4 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. Zachary Hill Douglas takes part in Medicare
Dr. 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)
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Dr. Zachary Hill Douglas has 2 publications on record
Dmand AI links 2 papers to Dr. Douglas, published from 2021 to 2022. Dr. Douglas' most frequent co-authors are Kelleigh Elizabeth Briden, MD, Katherine Ann Dunsky, MD and Nyssa Fox Farrell, MD.
Papers2
Years published2021 to 2022
Dr. Douglas' most frequent co-authors
- Kelleigh Elizabeth Briden, MD1 shared paper
- Katherine Ann Dunsky, MD1 shared paper
- Nyssa Fox Farrell, MD1 shared paper
Recent publications by Dr. Douglas
Surg Laparosc Endosc Percutan Tech
Biliary FistulaBronchial FistulaThoracic Surgery, Video-Assisted
See who Dr. Douglas researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Douglas works with, so you can find a warm path to the right otolaryngologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Zachary Hill Douglas received $368 in industry payments from 2018 to 2023
CMS Open Payments shows 6 general payments to Dr. Douglas from 3 drug and device companies from 2018 to 2023. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $238.
General payments to Dr. Douglas by program year, 2018 to 2023
Companies that paid Dr. Douglas the most, 2018 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Zachary Hill Douglas graduated from University of Washington School of Medicine
Dr. Douglas graduated from University of Washington School of Medicine in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Zachary Hill 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 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. Zachary Hill 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 Dr. Zachary Hill Douglas' NPI number?
Dr. Zachary Hill Douglas' NPI number is 1437643574. It was assigned on June 21, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Zachary Hill Douglas?
Dr. Zachary Hill Douglas is an otolaryngologist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).
Where does Dr. Zachary Hill Douglas practice?
Dr. Douglas practices at 3015 N Ballas Rd, Saint Louis, MO 63131. Dr. Douglas' primary practice is Missouri Baptist Medical Center in Saint Louis, Missouri, part of BJC Health. Dmand AI also links Dr. Douglas to 4 hospitals and 1 group practice or clinic.
What is Dr. Zachary Hill Douglas' office phone number?
The practice phone on file for Dr. Douglas is (314) 996-5000.
What is Dr. Zachary Hill Douglas' medical license number?
Dr. Douglas holds Missouri license 2023028372.
Which hospitals is Dr. Zachary Hill Douglas affiliated with?
Dr. Douglas practices at Missouri Baptist Medical Center in Saint Louis, Missouri. Dr. Douglas is also affiliated with Barnes-Jewish Hospital. Dmand AI links Dr. Douglas to 4 more hospitals.
What medical group is Dr. Zachary Hill Douglas part of?
Dr. Douglas is linked to BJC Medical Group.
Does Dr. Zachary Hill Douglas accept Medicare?
Yes. CMS data shows Dr. Douglas billed Medicare for 754 services in 2024, and Dr. Douglas accepts Medicare assignment.
How many Medicare patients does Dr. Zachary Hill Douglas see?
CMS counts 380 Medicare patients who saw Dr. Douglas in 2024, with an average age of 74.
What services does Dr. Zachary Hill Douglas bill to Medicare?
In 2024, Dr. Douglas' most billed Medicare services were office visit, new patient (99203), office visit, established patient (99213) and office visit, new patient (99204).
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Where did Dr. Zachary Hill Douglas go to medical school?
Dr. Douglas graduated from University of Washington School of Medicine in 2018.
What drugs does Dr. Zachary Hill Douglas prescribe most?
In 2024 Medicare Part D data, Dr. Douglas' most prescribed drugs by claims were Fluticasone Propionate, Omeprazole and Azelastine HCl.
Has Dr. Zachary Hill Douglas received payments from drug or device companies?
CMS Open Payments shows $368 in general payments to Dr. Douglas from 3 companies from 2018 to 2023. The largest total came from Stryker Corporation.
How long has Dr. Zachary Hill Douglas been practicing?
Dr. Douglas graduated from medical school in 2018, 8 years ago.
Does Dr. Zachary Hill Douglas do research?
Dmand AI links 2 publications to Dr. Douglas, published from 2021 to 2022.
Who does Dr. Zachary Hill Douglas publish with?
Dr. Douglas' most frequent co-authors are Kelleigh Elizabeth Briden, MD (1 shared paper), Katherine Ann Dunsky, MD (1 shared paper) and Nyssa Fox Farrell, MD (1 shared paper).
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