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DR. ROY WILLIAM LANGLEY M.D.
NPI 1750394755
Internal Medicine - Endocrinology, Diabetes & Metabolism in Fairfax, VA

Active since August 14, 2006PECOS EnrolledAccepts Medicare Assignment
2826 OLD LEE HWY STE 250, FAIRFAX, VA 22031(703) 849-8440(703) 849-0032 Get Directions Write a Review

NPPES record last updated: September 17, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 17, 2025, Jul 23, 2019 (2 updates tracked since 2019).

About Dr. Roy William Langley M.d. NPPES

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

DR. ROY WILLIAM LANGLEY M.D. (NPI 1750394755) is an individual endocrinology, diabetes & metabolism provider in Fairfax, Virginia, licensed in Virginia (0101236752) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1994).

NPPES Registry Identity

NPI1750394755
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameDR. ROY WILLIAM LANGLEYCredential: M.D.
Location Address2826 OLD LEE HWY STE 250Fairfax, VA 22031-4348
Mailing Address2826 Old Lee Hwy Ste 250Fairfax, VA 22031-4348 · (703) 849-8440 · Fax (703) 849-0032
Phone(703) 849-8440
Fax(703) 849-0032
Sole ProprietorNo
Medical School CMSOtherGraduated 1994
Enumeration DateAugust 14, 2006
Last NPPES UpdateSeptember 17, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 17, 2025
✔ NPI 1750394755 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in VA · 0101236752
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
2826 OLD LEE HWY STE 250, Fairfax, VA 22031
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

Dr. Roy William Langley M.d. 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 ID9335101609
PECOS Enrollment IDI20041028001113, I20140701001608
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 5

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.
213 services105 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
153 services88 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.
138 services110 patients
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251
This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.
96 services49 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
17 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22031 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
95%5,456 patients4/55-star benchmark: 99%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
100%571 patients5/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
27%2,758 patients2/55-star benchmark: 97%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
99%2,593 patients4/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
80%2,593 patients4/55-star benchmark: 89%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
75%2,593 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
20 suppliers50 claims268 services$6.06 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
8 suppliers20 claims57 services$1.00 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
13 suppliers284 claims285 services$183.12 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 2

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

GLENDA THOMAS DNP-FNP
Nurse Practitioner (Family)
2826 OLD LEE HWY STE 250
FAIRFAX, VA 22031
Fairfax County (703) 854-1298
ALICE GRACE KARR FNP-BC
Family Medicine
2826 OLD LEE HWY STE 250
FAIRFAX, VA 22031
Fairfax County (703) 849-8440

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 Roy Langley's NPI number?

The NPI number for Roy Langley is 1750394755. It was assigned to this individual provider in the NPPES registry on August 14, 2006.

Where is Roy Langley located?

Roy Langley practices at 2826 Old Lee Hwy Ste 250, Fairfax, VA 22031. The listed phone number is (703) 849-8440.

What is Roy Langley's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Roy Langley enrolled in Medicare?

Yes. Roy Langley 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 Roy Langley was last updated on September 17, 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.