ALEJANDRO SANTOS LEAL M.D.
NPI 1780847111
Internal Medicine - Endocrinology, Diabetes & Metabolism in Manassas, VA

Active since July 07, 2008PECOS EnrolledAccepts Medicare Assignment
83.69/100
CMS Quality Rating
9001 DIGGES RD STE 101, MANASSAS, VA 20110(571) 363-3082(571) 363-3024 Get Directions Write a Review

NPPES record last updated: July 25, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: May 13, 2024, Mar 13, 2019, Oct 25, 2018 and 1 more (4 updates tracked since 2017).

About Alejandro Santos Leal M.d. NPPES

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

ALEJANDRO SANTOS LEAL M.D. (NPI 1780847111) is an individual endocrinology, diabetes & metabolism provider in Manassas, Virginia, licensed in Virginia (0101263059) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS, is affiliated with Fauquier Hospital, and maintains a secondary practice location in Falls Church.

NPPES Registry Identity

NPI1780847111
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameALEJANDRO SANTOS LEALCredential: M.D.
Location Address9001 DIGGES RD STE 101Manassas, VA 20110-4414
Mailing Address9001 Digges Rd Ste 101Manassas, VA 20110-4414 · (571) 363-3082 · Fax (571) 363-3024
Fax(571) 363-3024
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateJuly 7, 2008
Last NPPES UpdateJuly 25, 20254 updates tracked since enumeration
NPPES CertifiedJuly 25, 2025
NPI 1780847111 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
Licenses Licensed in VA · 0101263059 Licensed in MD · D0076182
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.

Also ListedInternal MedicineTaxonomy 207R00000X · License 0101263059 (VA), D0076182 (MD)
Also ListedHospitalistTaxonomy 208M00000X · License 0101263059 (VA)
9001 DIGGES RD STE 101, Manassas, VA 20110

Secondary Practice Location 1

Location 13300 Gallows Rd Dept OfFalls Church, VA 22042-3307 · Phone (703) 776-3582

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

Alejandro Santos Leal 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 ID9739376682
PECOS Enrollment IDI20171122000831, I20171206001210
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 6

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.
743 services329 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.
306 services129 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.
187 services130 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.
71 services71 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.
36 services36 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
13 services12 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Fauquier Hospital

Acute Care Hospitals · Warrenton, VA
3/5 CMS rating
OwnershipProprietary
CMS Certification Number490023
Location500 Hospital DriveWarrenton, VA 20186 · Fauquier County
Emergency services Birthing friendly

Novant Prince William Medical Center

Acute Care Hospitals · Manassas, VA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490045
Location8700 Sudley RdManassas, VA 20110 · Manassas City County
Emergency services Birthing friendly

Inova Fairfax Hospital

Acute Care Hospitals · Falls Church, VA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490063
Location3300 Gallows RoadFalls Church, VA 22042 · Fairfax County
Emergency services Birthing friendly

Uva Health Haymarket Medical Center

Acute Care Hospitals · Haymarket, VA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490144
Location15225 Healthcote BoulevardHaymarket, VA 20169 · Prince William County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20110 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
$129.04 typical visit price
range $56.19 – $170.30
Typical copayment $32.26 (range $14.04 – $42.57)
Most-billed visit code 99204
Established Patient
$99.13 typical visit price
range $18.07 – $138.91
Typical copayment $24.78 (range $4.51 – $34.72)
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.

83.69/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality79.19
Promoting Interoperability100
Improvement Activities40
Cost66.45

Reported Quality Measures

Advance Care Plan
46%542 patients2/55-star benchmark: 100%
Colorectal Cancer Screening
23%894 patients2/55-star benchmark: 88%
Controlling High Blood Pressure
52%601 patients3/55-star benchmark: 91%
Diabetes: Eye Exam
25%779 patients2/55-star benchmark: 100%
Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)
Lower rates are better for this measure.
31%779 patients4/55-star benchmark: 91%
Documentation of Current Medications in the Medical Record
99%3,269 patients4/55-star benchmark: 100%
e-Prescribing
97%5,122 patients4/55-star benchmark: 100%
Falls: Screening for Future Fall Risk
44%507 patients2/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
36%1,345 patients2/55-star benchmark: 98%
Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented
27%1,449 patients2/55-star benchmark: 61%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Patients combinedPopulations: 75% · 999 patients
Patients screened: 79% · 999 patients
20%51 patients1/55-star benchmark: 100%
Provide Patients Electronic Access to Their Health Information
94%1,162 patients4/55-star benchmark: 100%
Statin Therapy for the Prevention and Treatment of Cardiovascular Disease
84%732 patients4/55-star benchmark: 91%
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 6

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

Supplies for maintenance of insulin infusion catheter, per week A4224
DME-Other DME · category DE017N
3 suppliers19 claims239 services$16.19 avg. paid by Medicare
Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225
DME-Other DME · category DE017N
3 suppliers19 claims650 services$2.01 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
38 suppliers158 claims530 services$5.98 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
25 suppliers46 claims69 services$1.08 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
24 suppliers579 claims589 services$187.53 avg. paid by Medicare
Receiver (monitor), dedicated, for use with therapeutic glucose continuous monitor system K0554
DME-Other DME · category DE017N
11 suppliers32 claims32 services$191.06 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.

Nurse Practitioner (Adult Health)
9001 DIGGES RD STE 101
MANASSAS, VA 20110
Internal Medicine (Endocrinology, Diabetes & Metabolism)
9001 DIGGES RD STE 101
MANASSAS, VA 20110

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 Alejandro Santos Leal's NPI number?

The NPI number for Alejandro Santos Leal is 1780847111. It was assigned to this individual provider in the NPPES registry on July 7, 2008.

Where is Alejandro Santos Leal located?

Alejandro Santos Leal practices at 9001 Digges Rd Ste 101, Manassas, VA 20110. The listed phone number is (571) 363-3082.

What is Alejandro Santos Leal's specialty?

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

Is Alejandro Santos Leal enrolled in Medicare?

Yes. Alejandro Santos Leal 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.

Is Alejandro Santos Leal affiliated with any hospitals?

According to CMS data, Alejandro Santos Leal is affiliated with Fauquier Hospital, Novant Prince William Medical Center, Inova Fairfax Hospital and Uva Health Haymarket Medical Center.

When was this NPI record last updated?

The NPPES record for Alejandro Santos Leal was last updated on July 25, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.