Dr. Ian Michael Wattenmaker, MD
- Medicare services, 2019
- 37
- Part D claims, 2019
- 15
- Affiliated sites
- 2
- Medical group
- 1
- State license
- 1
- Practice address
- 19450 Deerfield Avenue, Suite 300 Suite 300, Leesburg, VA 20176
- Practice phone
- Call (703) 858-3220
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Loudoun Internal Medicine Associates
Primary care practice · Leesburg, Virginia
Find Dr. Wattenmaker'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. Ian Michael Wattenmaker is an orthopedic surgeon in Leesburg, Virginia
Dr. Wattenmaker practices at Loudoun Internal Medicine Associates in Leesburg, Virginia.
Dr. Wattenmaker's NPI, 1629077854, was assigned on July 19, 2005. Dr. Wattenmaker holds Virginia license 0101049672.
- NPI
- 1629077854NPI Registry (opens in a new tab)
- NPI enumeration date
- July 19, 2005
- NPI status
- Active
- Practice phone
- (703) 858-3220
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ian Michael Wattenmaker practices at 2 locations in Leesburg, Virginia
Dr. Wattenmaker's primary practice is Loudoun Internal Medicine Associates, at 19450 Deerfield Avenue, Suite 300 Suite 300, Leesburg, VA 20176. The practice phone is (703) 858-3220. The NPI Registry lists Dr. Wattenmaker's practice address as 19465 Deerfield Ave, Leesburg, VA 20176.
- Loudoun Internal Medicine AssociatesPrimary19450 Deerfield Avenue, Suite 300 Suite 300, Leesburg, VA 20176Phone(703) 858-3220
- NPI Registry address19465 Deerfield Ave, Leesburg, VA 20176 · Loudoun CountyPhone(703) 777-1553
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Ian Michael Wattenmaker is affiliated with 2 sites of care and 1 medical group
Dr. Wattenmaker's primary practice is Loudoun Internal Medicine Associates in Leesburg, Virginia. The medical group on file is Loudoun Medical Group. Dmand AI also links Dr. Wattenmaker to 1 more physician office, 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. Ian Michael Wattenmaker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wattenmaker practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Loudoun Internal Medicine Associates | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ian Michael Wattenmaker is one of 498 orthopedic surgeons in Virginia
Orthopaedic surgery is Dr. Wattenmaker's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Wattenmaker is licensed in Virginia.
Specialties and state licenses
- Orthopaedic surgery, VirginiaPrimary
Orthopedic surgeons near Dr. Wattenmaker
Counts of orthopedic surgeons 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. Ian Michael Wattenmaker billed Medicare for 37 services in 2019
CMS data shows 37 Medicare services from Dr. Wattenmaker across 2 procedure codes in 2019, all of them office visits. Medicare paid $3,391 for them. Every service was in an office.
Dr. Wattenmaker's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 652019: 3743%
Dr. Wattenmaker compared with the Virginia median for orthopedic surgeons, 2019
- Dr. Wattenmaker
- Virginia median
- Medicare services
- 37vs 1,17097% below
- Part D claims
- 15vs 12188% below
Medians across 475 orthopedic surgeons in Virginia with Dmand AI profiles that report each measure.
Dr. Wattenmaker's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ian Michael Wattenmaker's patients have a median age of 59
Across all payers, Dmand AI patient panel data puts Dr. Wattenmaker's median patient age at 59, with 27% women.
Dr. Wattenmaker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women27%
- Men73%
Source: Dmand AI Patient Panel Data
Dr. Ian Michael Wattenmaker wrote 15 Medicare Part D claims in 2019
In 2019, Dr. Wattenmaker wrote 15 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $151 in total drug cost. In 2017, CMS named 18 claims across 1 drug.
Dr. Wattenmaker's most prescribed drugs by claims, 2019
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, 2017 to 2019
- 2017
- 2019
- Claims for drugs CMS names
- 2017: 182019: 1517%
Drugs named by CMS: 1 in 2019, 1 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Sources for Dr. Ian Michael Wattenmaker'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) |
| 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. Ian Michael Wattenmaker
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. Ian Michael Wattenmaker's NPI number?
Dr. Ian Michael Wattenmaker's NPI number is 1629077854. It was assigned on July 19, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Ian Michael Wattenmaker?
Dr. Ian Michael Wattenmaker is an orthopedic surgeon in Leesburg, Virginia. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Ian Michael Wattenmaker practice?
Dr. Wattenmaker practices at 19450 Deerfield Avenue, Suite 300 Suite 300, Leesburg, VA 20176. Dr. Wattenmaker also practices at 19465 Deerfield Ave, Leesburg, VA 20176. Dr. Wattenmaker's primary practice is Loudoun Internal Medicine Associates in Leesburg, Virginia. Dmand AI also links Dr. Wattenmaker to 1 physician office.
What is Dr. Ian Michael Wattenmaker's office phone number?
The practice phone on file for Dr. Wattenmaker is (703) 858-3220.
What is Dr. Ian Michael Wattenmaker's medical license number?
Dr. Wattenmaker holds Virginia license 0101049672.
What medical group is Dr. Ian Michael Wattenmaker part of?
Dr. Wattenmaker is linked to Loudoun Medical Group.
Does Dr. Ian Michael Wattenmaker accept Medicare?
Yes. CMS data shows Dr. Wattenmaker billed Medicare for 37 services in 2019.
What services does Dr. Ian Michael Wattenmaker bill to Medicare?
In 2019, Dr. Wattenmaker's most billed Medicare services were office visit, established patient (99214) and office visit, new patient (99204).
What drugs does Dr. Ian Michael Wattenmaker prescribe most?
In 2019 Medicare Part D data, Dr. Wattenmaker's most prescribed drugs by claims were Methylprednisolone.
How long has Dr. Ian Michael Wattenmaker been practicing?
Dr. Wattenmaker's NPI was assigned in 2005.
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