Nathaniel D. Witmer, DPM
- Medicare patients, 2024
- 157
- Part D claims, 2024
- 595
- Affiliated sites
- 2
- Medical group
- 1
- State licenses
- 2
- Practice address
- 23803 McBean Parkway, Valencia, CA 91355
- Practice phone
- Call (818) 869-7034
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Facey Medical Group - Valencia Specialty & Women's Center
Mammography / Breast Imaging Center · Valencia, California
Find Nathaniel Witmer'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.
Nathaniel D. Witmer is a podiatrist in Valencia, California
Nathaniel Witmer practices at Facey Medical Group - Valencia Specialty & Women's Center in Valencia, California.
Nathaniel Witmer's NPI, 1497172712, was assigned on March 25, 2014. Nathaniel Witmer graduated from California School of Podiatric Medicine in 2014. Nathaniel Witmer holds California license E5395.
- NPI
- 1497172712NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3173821113
- NPI enumeration date
- March 25, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (818) 869-7034
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Nathaniel D. Witmer practices at Facey Medical Group - Valencia Specialty & Women's Center in Valencia, California
Nathaniel Witmer's primary practice is Facey Medical Group - Valencia Specialty & Women's Center, at 23803 McBean Parkway, Valencia, CA 91355. The practice phone is (818) 869-7034.
- Facey Medical Group - Valencia Specialty & Women's Center23803 McBean Parkway, Valencia, CA 91355Phone(818) 869-7034
Source: Dmand AI Affiliation Data
Nathaniel D. Witmer is affiliated with 2 sites of care and 1 medical group
Nathaniel Witmer's primary practice is Facey Medical Group - Valencia Specialty & Women's Center in Valencia, California. The medical group on file is Facey Medical Group. Dmand AI also links Nathaniel Witmer to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Nathaniel D. Witmer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Nathaniel Witmer practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Facey Medical Group - Valencia Specialty & Women's Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Nathaniel D. Witmer is one of 745 podiatrists in California
Podiatrist is Nathaniel Witmer's primary specialty in the NPI Registry, under taxonomy code 213E00000X. Dmand AI has Nathaniel Witmer's licenses on file in 2 states: California and Illinois.
Specialties and state licenses
- Podiatrist, CaliforniaPrimary
- Foot and ankle surgery podiatrist, Illinois
Podiatrists near Nathaniel Witmer
Counts of podiatrists 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
Nathaniel D. Witmer treated 157 Medicare patients in 2024, average age 75
CMS counts 157 Medicare patients who saw Nathaniel Witmer in 2024. The largest group is 65 to 74, with 68 patients. 75% of them have high cholesterol, and 70% have high blood pressure. 22% are also on Medicaid. Their average risk score is 1.26, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Nathaniel Witmer's median patient age at 69, with 61% women.
Nathaniel Witmer's Medicare patients by age, 2024
Nathaniel Witmer's Medicare patients by sex, 2024
- Women8353%
- Men7447%
Chronic conditions among Nathaniel Witmer's Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Arthritis48%
- Diabetes32%
- Chronic kidney disease31%
- Mood disorders30%
- Depression27%
- Anxiety18%
Share of Medicare patients with each condition. A patient can have several.
Nathaniel Witmer'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
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Nathaniel D. Witmer wrote 595 Medicare Part D claims in 2024
In 2024, Nathaniel Witmer wrote 595 Medicare Part D claims for 256 patients. 100% of them were for generic drugs.
Nathaniel Witmer's Part D claims by kind of drug, 2024
- Generic593 claims100%
- Brand-name and other2 claims0%
Drug classes CMS tracks in Nathaniel Witmer's Part D claims, 2024
- Antibiotics5%28 of 595 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
Nathaniel D. Witmer ranks in the 78th percentile for removal or shaving of skin growth in Medicare
Nathaniel Witmer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 45 procedures of removal or shaving of skin growth by Nathaniel Witmer, more than 78% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Nathaniel Witmer ranks in Medicare procedure volume
- Removal of nail tissue
- 74th percentile200 procedures
- Removal or shaving of skin growth
- 78th percentile45 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Nathaniel D. Witmer graduated from California School of Podiatric Medicine
Nathaniel Witmer graduated from California School of Podiatric Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Nathaniel D. Witmer'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)Doctors and Clinicians Utilization Data (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 Nathaniel D. Witmer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Nathaniel D. Witmer's NPI number?
Nathaniel D. Witmer's NPI number is 1497172712. It was assigned on March 25, 2014, and it is active in the NPI Registry.
What does Nathaniel D. Witmer specialize in?
Nathaniel D. Witmer is a podiatrist in Valencia, California. The primary specialty in the NPI Registry is Podiatrist (taxonomy code 213E00000X).
Where does Nathaniel D. Witmer practice?
Nathaniel Witmer practices at 23803 McBean Parkway, Valencia, CA 91355. Nathaniel Witmer's primary practice is Facey Medical Group - Valencia Specialty & Women's Center in Valencia, California. Dmand AI also links Nathaniel Witmer to 1 group practice or clinic.
What is Nathaniel D. Witmer's office phone number?
The practice phone on file for Nathaniel Witmer is (818) 869-7034.
What is Nathaniel D. Witmer's medical license number?
Nathaniel Witmer holds California license E5395, one of the licenses on file in 2 states.
Which states has Nathaniel D. Witmer been licensed in?
Dmand AI has state licenses on file for Nathaniel Witmer in California and Illinois.
What medical group is Nathaniel D. Witmer part of?
Nathaniel Witmer is linked to Facey Medical Group.
Does Nathaniel D. Witmer accept Medicare?
Yes. CMS lists Nathaniel Witmer as accepting Medicare assignment.
How many Medicare patients does Nathaniel D. Witmer see?
CMS counts 157 Medicare patients who saw Nathaniel Witmer in 2024, with an average age of 75.
Where did Nathaniel D. Witmer go to medical school?
Nathaniel Witmer graduated from California School of Podiatric Medicine in 2014.
How long has Nathaniel D. Witmer been practicing?
Nathaniel Witmer graduated from medical school in 2014, 12 years ago.
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