Dr. Woodson Merrell, MD
- Part D claims, 2024
- 88
- Hospital affiliations
- 1
- Industry payments
- $248
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 5 Perryridge Rd, Greenwich, CT 06830
- Practice phone
- Call (203) 863-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Merrell's professional email, personal email and mobile number
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Dr. Woodson Merrell is an internist in Greenwich, Connecticut
Dr. Merrell practices at Greenwich Hospital in Greenwich, Connecticut, part of Yale New Haven Health System.
Dr. Merrell's NPI, 1023153509, was assigned on February 21, 2007. Dr. Merrell graduated from Columbia University College of Physicians and Surgeons in 1976. Dr. Merrell holds New York license 131980.
- NPI
- 1023153509NPI Registry (opens in a new tab)
- NPI enumeration date
- February 21, 2007
- NPI status
- Active
- Practice phone
- (203) 863-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 76
- Medical school graduation
- 1976
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Woodson Merrell practices at Greenwich Hospital in Greenwich, Connecticut
Dr. Merrell's primary practice is Greenwich Hospital, at 5 Perryridge Rd, Greenwich, CT 06830 in Fairfield County. The practice phone is (203) 863-3000.
- Greenwich Hospital5 Perryridge Rd, Greenwich, CT 06830 · Fairfield CountyPhone(203) 863-3000
Source: Dmand AI Affiliation Data
Dr. Woodson Merrell is affiliated with 1 site of care
Dr. Merrell's primary practice is Greenwich Hospital in Greenwich, Connecticut, part of Yale New Haven Health System.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Woodson Merrell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Merrell practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Greenwich Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Woodson Merrell is one of 2,189 internists in Connecticut
Internal medicine is Dr. Merrell's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Merrell is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Merrell
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. Woodson Merrell's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Dr. Merrell's median patient age at 61, with 50% women.
Dr. Merrell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women50%
- Men45%
Source: Dmand AI Patient Panel Data
Dr. Woodson Merrell wrote 88 Medicare Part D claims in 2024
In 2024, Dr. Merrell wrote 88 Medicare Part D claims for 25 patients. 80% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $150 in total drug cost. In 2023, CMS named 15 claims across 1 drug.
Dr. Merrell's Part D claims by kind of drug, 2024
- Generic70 claims80%
- Brand-name and other18 claims20%
Dr. Merrell'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 152024: 15No change
Drugs named by CMS: 1 in 2024, 1 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
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Dr. Woodson Merrell received $248 in industry payments from 2018 to 2025
CMS Open Payments shows 6 general payments to Dr. Merrell from 5 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Prometheus Laboratories Inc. paid the most, $125.
General payments to Dr. Merrell by program year, 2018 to 2025
Companies that paid Dr. Merrell the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Woodson Merrell graduated from Columbia University College of Physicians and Surgeons
Dr. Merrell graduated from Columbia University College of Physicians and Surgeons in 1976.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Woodson Merrell'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 and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (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. Woodson Merrell
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. Woodson Merrell's NPI number?
Dr. Woodson Merrell's NPI number is 1023153509. It was assigned on February 21, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Woodson Merrell?
Dr. Woodson Merrell is an internist in Greenwich, Connecticut. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Woodson Merrell practice?
Dr. Merrell practices at 5 Perryridge Rd, Greenwich, CT 06830. Dr. Merrell's primary practice is Greenwich Hospital in Greenwich, Connecticut, part of Yale New Haven Health System.
What is Dr. Woodson Merrell's office phone number?
The practice phone on file for Dr. Merrell is (203) 863-3000.
What is Dr. Woodson Merrell's medical license number?
Dr. Merrell holds New York license 131980.
Which hospitals is Dr. Woodson Merrell affiliated with?
Dr. Merrell practices at Greenwich Hospital in Greenwich, Connecticut.
Where did Dr. Woodson Merrell go to medical school?
Dr. Merrell graduated from Columbia University College of Physicians and Surgeons in 1976.
What drugs does Dr. Woodson Merrell prescribe most?
In 2024 Medicare Part D data, Dr. Merrell's most prescribed drugs by claims were Atorvastatin Calcium.
Has Dr. Woodson Merrell received payments from drug or device companies?
CMS Open Payments shows $248 in general payments to Dr. Merrell from 5 companies from 2018 to 2025. The largest total came from Prometheus Laboratories Inc.
How long has Dr. Woodson Merrell been practicing?
Dr. Merrell graduated from medical school in 1976, 50 years ago.
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