JENNIFER SANTIAGO MD
NPI 1457437162
Obstetrics & Gynecology in Alexandria, VA

Q: What is Jennifer Santiago's NPI number?

The NPI number for Jennifer Santiago is 1457437162. It was assigned to this individual provider in the NPPES registry on October 27, 2006.

Q: What is Jennifer Santiago's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Q: When was this NPI record last updated?

The NPPES record for Jennifer Santiago was last updated on February 4, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.

Active since October 27, 2006PECOS EnrolledAccepts Medicare Assignment

6355 WALKER LN, SUITE 408, ALEXANDRIA, VA 22310(703) 719-0382(703) 719-9628 Get Directions Write a Review

NPPES record last updated: February 4, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Jennifer Santiago Md NPPES

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

JENNIFER SANTIAGO MD (NPI 1457437162) is an individual obstetrics & gynecology provider in Alexandria, Virginia, licensed in Virginia (MD0101235943) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS, is affiliated with Inova Alexandria Hospital, and is a graduate of Rutgers R W Johnson Medical School (cam/new Bruns/pisc) (1999).

NPPES Registry Identity

NPI1457437162

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameJENNIFER SANTIAGOCredential: MD

Location Address6355 WALKER LN, SUITE 408Alexandria, VA 22310-3245

Mailing Address1860 Town Center Dr, Suite 110Reston, VA 20190 · (703) 796-0200 · Fax (703) 796-1690

Phone(703) 719-0382

Fax(703) 719-9628

Sole ProprietorNo

Medical School CMSRutgers R W Johnson Medical School (cam/new Bruns/pisc)Graduated 1999

Enumeration DateOctober 27, 2006

Last NPPES UpdateFebruary 4, 2014

✔ NPI 1457437162 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in VA · MD0101235943

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

6355 WALKER LN, Alexandria, VA 22310

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Jennifer Santiago Md 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 ID3274611231

PECOS Enrollment IDI20080416000598

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.

Medicare Billing Reassignments

Medicare enrollment records show Jennifer Santiago reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Privia Medical Group, LLC

8.2 mi

Internal Medicine

950 N GLEBE RD STE 700
Arlington, VA 22203

Reassigned Medicare billing, District of Columbia enrollment
1,534 clinicians in this Medicare group

NPI 1013042480 (571) 366-8850

Medical Faculty Associates, Inc

11 mi

Anesthesiology

2150 PENNSYLVANIA AVE NW, SUITE 10-409A
Washington, DC 20037

Reassigned Medicare billing, District of Columbia enrollment
1,275 clinicians in this Medicare group

NPI 1417990581 (202) 741-3350

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101

This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.

119 services119 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.

36 services35 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.

20 services20 patients

Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory Q0091

A Papanicolaou smear, often called a Pap smear, is a test to check for changes in cells. A small sample is gently collected from the lower region and sent to a lab for examination. This helps in early detection of potential health issues.

20 services20 patients

Hospital Affiliations CMS Care Compare 3

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

Inova Alexandria Hospital

Acute Care Hospitals · Alexandria, VA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490040

Location4320 Seminary RdAlexandria, VA 22304 · Alexandria City County

Emergency services Birthing friendly

Sentara Northern Virginia Medical Center

Acute Care Hospitals · Woodbridge, VA

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490113

Location2300 Opitz BoulevardWoodbridge, VA 22191 · Prince William County

Emergency services Birthing friendly

Inova Mount Vernon Hospital

Acute Care Hospitals · Alexandria, VA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490122

Location2501 Parkers LaneAlexandria, VA 22306 · Fairfax County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22310 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

$80.66 typical visit price

range $21.40 – $158.88

Typical copayment $20.16 (range $5.35 – $39.72)

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 20

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

GWEN RENEE MORRIS MOT, OTR/L

Specialist

6355 WALKER LN, SUITE 512
ALEXANDRIA, VA 22310

Fairfax County (703) 647-3110

BESTPRACTICES, INC

Emergency Medicine

6355 WALKER LN
ALEXANDRIA, VA 22310

Fairfax County (703) 776-3111

CHELSEA KEMLAGE

Physical Therapist

6355 WALKER LN, SUITE 204
ALEXANDRIA, VA 22310

Fairfax County (703) 810-5214

MS. JOANNE F CHARLES FNP-C

Family Medicine

6355 WALKER LN, SUITE 310
ALEXANDRIA, VA 22310

Fairfax County (703) 971-8600

LAUREN M DAILEY PA-C

Physician Assistant

6355 WALKER LN, SUITE 401
ALEXANDRIA, VA 22310

Fairfax County (703) 924-2100

DR. EDWARD CHARLES RABBITT M.D.

Orthopaedic Surgery

6355 WALKER LN, SUITE 501
ALEXANDRIA, VA 22310

Fairfax County (703) 765-4321

DR. CHRISTINA STEPHANIE MICHAEL D.O.

Internal Medicine

6355 WALKER LN, SUITE 505
ALEXANDRIA, VA 22310

Fairfax County (703) 971-4444

DR. JOEL LESTER KOSLOW M.D.

Internal Medicine

6355 WALKER LN, SUITE 303
ALEXANDRIA, VA 22310

Fairfax County (703) 971-0505

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 Jennifer Santiago's NPI number?

The NPI number for Jennifer Santiago is 1457437162. It was assigned to this individual provider in the NPPES registry on October 27, 2006.

Where is Jennifer Santiago located?

Jennifer Santiago practices at 6355 Walker Ln Suite 408, Alexandria, VA 22310. The listed phone number is (703) 719-0382.

What is Jennifer Santiago's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Jennifer Santiago enrolled in Medicare?

Yes. Jennifer Santiago 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.

Which organizations bill Medicare for Jennifer Santiago's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Santiago reassigns Medicare benefits to 2 organizations: Privia Medical Group, LLC (Arlington, VA) and Medical Faculty Associates, Inc (Washington, DC). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jennifer Santiago's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jennifer Santiago accept?

Health plans from Oscar Health list Jennifer Santiago as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Jennifer Santiago affiliated with any hospitals?

According to CMS data, Jennifer Santiago is affiliated with Inova Alexandria Hospital, Sentara Northern Virginia Medical Center and Inova Mount Vernon Hospital.

When was this NPI record last updated?

The NPPES record for Jennifer Santiago was last updated on February 4, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.