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LYDIA BESTERFELDT
NPI 1265929442
Nurse Practitioner - Psychiatric/Mental Health in Mc Lean, VA

Active since April 13, 2018PECOS EnrolledAccepts Medicare Assignment
6862 ELM ST STE 450, MC LEAN, VA 22101(703) 260-6650 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 11, 2025, Oct 22, 2019, Jun 16, 2018 and 1 more (4 updates tracked since 2018).

About Lydia Besterfeldt NPPES

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

LYDIA BESTERFELDT (NPI 1265929442) is an individual psychiatric/mental health provider in Mc Lean, Virginia, licensed in California (95013060) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS, maintains a secondary practice location in Germantown, and is a graduate of California University Of Science And Medicine (2019).

NPPES Registry Identity

NPI1265929442
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameLYDIA BESTERFELDT
Location Address6862 ELM ST STE 450Mc Lean, VA 22101-3838
Mailing Address6862 Elm St Ste 450Mc Lean, VA 22101-3838
Phone(703) 260-6650
Sole ProprietorNo
Medical School CMSCalifornia University Of Science And MedicineGraduated 2019
Enumeration DateApril 13, 2018
Last NPPES UpdateSeptember 11, 20254 updates tracked since enumeration
NPPES CertifiedOctober 15, 2024
✔ NPI 1265929442 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in CA · 95013060
6862 ELM ST STE 450, Mc Lean, VA 22101
Open in Google Maps ↗

Other Names 1

Former Name (1)Lydia Wilkerson

Secondary Practice Location 1

Location 120680 Seneca Meadows Pkwy Ste 206Germantown, MD 20876-7029 · Phone (301) 339-8027

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

Lydia Besterfeldt 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 ID9234566308
PECOS Enrollment IDI20240403001117, I20240416002231
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 4

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 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.
209 services60 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
50 services35 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
22 services22 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.
15 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22101 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
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
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 6

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

PRIVIA MEDICAL GROUP, LLC
Psychiatry & Neurology (Neurology)
6862 ELM ST STE 450
MC LEAN, VA 22101
Fairfax County (301) 339-8027
ROSEMARY PRIANKA GOMES MD
Psychiatry & Neurology (Neurology)
6862 ELM ST STE 450
MC LEAN, VA 22101
Fairfax County (301) 339-8027
ALEXANDRA EMILE
Student in an Organized Health Care Education/Training Program
6862 ELM ST STE 450
MC LEAN, VA 22101
Fairfax County (301) 339-8027
DR. RYAN HINOJOSA PHD
Clinical Neuropsychologist
6862 ELM ST STE 450
MC LEAN, VA 22101
Fairfax County (301) 339-8027
NEUROLOGY HEALTH CONSULTING PLLC
Physiological Laboratory
6862 ELM ST STE 450
MC LEAN, VA 22101
Fairfax County (844) 212-5321
DR. TULSI SHAILESH SHAH MD
Psychiatry & Neurology (Neurology)
6862 ELM ST STE 450
MC LEAN, VA 22101
Fairfax County (301) 339-8027

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 Lydia Besterfeldt's NPI number?

The NPI number for Lydia Besterfeldt is 1265929442. It was assigned to this individual provider in the NPPES registry on April 13, 2018. The provider is also known as Lydia Wilkerson.

Where is Lydia Besterfeldt located?

Lydia Besterfeldt practices at 6862 Elm St Ste 450, Mc Lean, VA 22101. The listed phone number is (703) 260-6650.

What is Lydia Besterfeldt's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Lydia Besterfeldt enrolled in Medicare?

Yes. Lydia Besterfeldt 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 Lydia Besterfeldt was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.