Dr. Megan M. Terwilliger, MD
- Medicare services, 2023
- 69
- Part D claims, 2023
- 1,702
- Affiliated sites
- 2
- Medical groups
- 2
- State license
- 1
- Practice address
- 2400 S Clinton Ave Ste G2 Suite G2, Rochester, NY 14618
- Practice phone
- Call (585) 341-7685
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University Of Rochester - Rochester (2400 S Clinton Ave)
Primary care practice · Rochester, New York
Find Dr. Terwilliger'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. Megan M. Terwilliger is an internist in Rochester, New York
Dr. Terwilliger practices at University Of Rochester - Rochester (2400 S Clinton Ave) in Rochester, New York.
Dr. Terwilliger's NPI, 1043278849, was assigned on May 2, 2006. Dr. Terwilliger graduated from JS Weill Medical College, Cornell University in 1988. Dr. Terwilliger holds New York license 181145.
- NPI
- 1043278849NPI Registry (opens in a new tab)
- NPI enumeration date
- May 2, 2006
- NPI status
- Active
- Practice phone
- (585) 341-7685
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Megan M. Terwilliger practices at 2 locations in Rochester, New York
Dr. Terwilliger's primary practice is University of Rochester - Rochester (2400 S Clinton Ave), at 2400 S Clinton Ave Ste G2 Suite G2, Rochester, NY 14618. The practice phone is (585) 341-7685. The NPI Registry lists Dr. Terwilliger's practice address as 601 Elmwood Ave, Rochester, NY 14642.
- University of Rochester - Rochester (2400 S Clinton Ave)Primary2400 S Clinton Ave Ste G2 Suite G2, Rochester, NY 14618Phone(585) 341-7685
- NPI Registry address601 Elmwood Ave, Rochester, NY 14642 · Monroe CountyPhone(585) 341-7299
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Megan M. Terwilliger is affiliated with 2 sites of care and 2 medical groups
Dr. Terwilliger's primary practice is University Of Rochester - Rochester (2400 S Clinton Ave) in Rochester, New York. The medical group on file is University of Rochester Medical Faculty Group (URMFG). Dmand AI also links Dr. Terwilliger to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Megan M. Terwilliger's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Terwilliger practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Of Rochester - Rochester (2400 S Clinton Ave) | Available with a free account |
| +1 more site and 1 medical group | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Megan M. Terwilliger is one of 9,643 internists in New York
Internal medicine is Dr. Terwilliger's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Terwilliger is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Terwilliger
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. Megan M. Terwilliger billed Medicare for 69 services in 2023
CMS data shows 69 Medicare services from Dr. Terwilliger across 3 procedure codes in 2023. Medicare paid $3,964 for them. Every service was in an office.
Dr. Terwilliger's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 1762023: 5171%
- Other services
- 2022: 722023: 1875%
- Tests and treatments
- 2022: 112023: 0100%
Dr. Terwilliger compared with the New York median for internists, 2023
- Dr. Terwilliger
- New York median
- Medicare services
- 69vs 42684% below
- Part D claims
- 1,702vs 6222.7 times
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Terwilliger's most billed Medicare procedure codes, 2023
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. Terwilliger?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Terwilliger and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Megan M. Terwilliger's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Terwilliger's median patient age at 69, with 66% women.
Dr. Terwilliger's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women66%
- Men32%
Source: Dmand AI Patient Panel Data
Dr. Megan M. Terwilliger wrote 1,702 Medicare Part D claims in 2023
In 2023, Dr. Terwilliger wrote 1,702 Medicare Part D claims. They cover 46 drugs, with $92,597 in total drug cost. In 2022, CMS named 6,223 claims across 92 drugs.
Dr. Terwilliger's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 6,2232023: 1,70273%
Drugs named by CMS: 46 in 2023, 92 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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.
Dr. Megan M. Terwilliger graduated from JS Weill Medical College, Cornell University
Dr. Terwilliger graduated from JS Weill Medical College, Cornell University in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Megan M. Terwilliger'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. Megan M. Terwilliger
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. Megan M. Terwilliger's NPI number?
Dr. Megan M. Terwilliger's NPI number is 1043278849. It was assigned on May 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Megan M. Terwilliger?
Dr. Megan M. Terwilliger is an internist in Rochester, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Megan M. Terwilliger practice?
Dr. Terwilliger practices at 2400 S Clinton Ave Ste G2 Suite G2, Rochester, NY 14618. Dr. Terwilliger also practices at 601 Elmwood Ave, Rochester, NY 14642. Dr. Terwilliger's primary practice is University Of Rochester - Rochester (2400 S Clinton Ave) in Rochester, New York. Dmand AI also links Dr. Terwilliger to 1 group practice or clinic and 1 medical group.
What is Dr. Megan M. Terwilliger's office phone number?
The practice phone on file for Dr. Terwilliger is (585) 341-7685.
What is Dr. Megan M. Terwilliger's medical license number?
Dr. Terwilliger holds New York license 181145.
What medical group is Dr. Megan M. Terwilliger part of?
Dr. Terwilliger is linked to University of Rochester Medical Faculty Group (URMFG). Dmand AI links Dr. Terwilliger to 1 more medical group.
Does Dr. Megan M. Terwilliger accept Medicare?
Yes. CMS data shows Dr. Terwilliger billed Medicare for 69 services in 2023.
What services does Dr. Megan M. Terwilliger bill to Medicare?
In 2023, Dr. Terwilliger's most billed Medicare services were office visit, established patient (99213), medicare service (G0439) and office visit, established patient (99214).
Where did Dr. Megan M. Terwilliger go to medical school?
Dr. Terwilliger graduated from JS Weill Medical College, Cornell University in 1988.
What drugs does Dr. Megan M. Terwilliger prescribe most?
In 2023 Medicare Part D data, Dr. Terwilliger's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Lisinopril.
How long has Dr. Megan M. Terwilliger been practicing?
Dr. Terwilliger graduated from medical school in 1988, 38 years ago.
Selling to internal medicine practices?
See internists in New York 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