1. Home
  2. Directory
  3. California
  4. Valencia
  5. Podiatrist
  6. NPI Profile

NATHANIEL D WITMER D.P.M.
NPI 1497172712
Podiatrist in Valencia, CA

Active since March 25, 2014PECOS EnrolledAccepts Medicare Assignment
23803 MCBEAN PKWY, VALENCIA, CA 91355(661) 481-2400 Get Directions Write a Review

NPPES record last updated: March 17, 2018. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 17, 2018, Feb 21, 2018, Feb 15, 2018 (3 updates tracked since 2018).

About Nathaniel D Witmer D.p.m. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NATHANIEL D WITMER D.P.M. (NPI 1497172712) is an individual podiatrist in Valencia, California, licensed in California (E5395) and active in the NPI registry since March 2014. He is enrolled in Medicare PECOS and is a graduate of California School Of Podiatric Medicine (2014).

NPPES Registry Identity

NPI1497172712
Entity TypeIndividualMale
Primary Taxonomy213E00000X
Provider Legal NameNATHANIEL D WITMERCredential: D.P.M.
Location Address23803 MCBEAN PKWYValencia, CA 91355-2001
Mailing AddressPo Box 9602Mission Hills, CA 91346-9602 · (818) 837-5559 · Fax (818) 792-4793
Phone(661) 481-2400
Sole ProprietorNo
Medical School CMSCalifornia School Of Podiatric MedicineGraduated 2014
Enumeration DateMarch 25, 2014
Last NPPES UpdateMarch 17, 20183 updates tracked since enumeration
✔ NPI 1497172712 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPodiatristPodiatric Medicine & Surgery Service Providers
Taxonomy Code213E00000X
License✔ Licensed in CA · E5395
Definition
A podiatrist is a person qualified by a Doctor of Podiatric Medicine (D.P.M.) degree, licensed by the state, and practicing within the scope of that license. Podiatrists diagnose and treat foot diseases and deformities. They perform medical, surgical and other operative procedures, prescribe corrective devices and prescribe and administer drugs and physical therapy.
Also ListedPodiatrist · Foot & Ankle SurgeryTaxonomy 213ES0103X · License 016.005661 (IL)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
23803 MCBEAN PKWY, Valencia, CA 91355
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Nathaniel D Witmer D.p.m. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3173821113
PECOS Enrollment IDI20180205002894
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
186 services55 patients
Removal of fingernails or toenails, 6 or more nails 11721
This procedure involves the removal of six or more fingernails or toenails. It's typically done to treat severe nail infections, persistent pain, or abnormal nail growth. Local anesthesia is used to minimize discomfort. Healing usually takes a few weeks.
123 services43 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
82 services50 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
63 services49 patients
X-ray of foot, minimum of 3 views 73630
An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.
44 services21 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
37 services37 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91355 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. GENE L TRAN D.O.
Psychiatry & Neurology (Neurology)
23803 MCBEAN PKWY
VALENCIA, CA 91355
Los Angeles County (661) 481-2400
LOUISA TOSTADO PA-C
Physician Assistant
23803 MCBEAN PKWY
VALENCIA, CA 91355
Los Angeles County (661) 481-2400
JENNIFER SUNG M.D.
Urology
23803 MCBEAN PKWY, SUITE 202
VALENCIA, CA 91355
Los Angeles County (661) 481-2400
DR. TONY LO DO
Pain Medicine (Pain Medicine)
23803 MCBEAN PKWY
VALENCIA, CA 91355
Los Angeles County (661) 481-2400
PATRICIA CAVENDER MD
Dermatology
23803 MCBEAN PKWY
VALENCIA, CA 91355
Los Angeles County (661) 481-2400
DR. SAIF USMAN M.D.
Family Medicine (Sports Medicine)
23803 MCBEAN PKWY
VALENCIA, CA 91355
Los Angeles County (661) 481-2400
DR. ALYSSA B ZACKLER M.D.
Obstetrics & Gynecology
23803 MCBEAN PKWY, #201
VALENCIA, CA 91355
Los Angeles County (661) 481-2400
JESSICA ELIZABETH MURPHY M.D.
Obstetrics & Gynecology
23803 MCBEAN PKWY
VALENCIA, CA 91355
Los Angeles County (661) 481-2440

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Nathaniel Witmer's NPI number?

The NPI number for Nathaniel Witmer is 1497172712. It was assigned to this individual provider in the NPPES registry on March 25, 2014.

Where is Nathaniel Witmer located?

Nathaniel Witmer practices at 23803 Mcbean Pkwy, Valencia, CA 91355. The listed phone number is (661) 481-2400.

What is Nathaniel Witmer's specialty?

The primary specialty registered for this NPI is Podiatrist with taxonomy code 213E00000X.

Is Nathaniel Witmer enrolled in Medicare?

Yes. Nathaniel Witmer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Nathaniel Witmer was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.