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SANDRA LYNN RATTERMAN MD
NPI 1487649984
Family Medicine in Fairfax, VA

Active since September 12, 2005PECOS EnrolledAccepts Medicare Assignment
3650 JOSEPH SIEWICK DR, STE 400, FAIRFAX, VA 22033(703) 391-2020(703) 391-1211 Get Directions Write a Review

NPPES record last updated: April 23, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 23, 2026, Oct 18, 2020, Mar 16, 2017 (3 updates tracked since 2017).

About Sandra Lynn Ratterman Md NPPES

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

SANDRA LYNN RATTERMAN MD (NPI 1487649984) is an individual family medicine provider in Fairfax, Virginia, licensed in Virginia (0101051965) and active in the NPI registry since September 2005. She is enrolled in Medicare PECOS, is affiliated with Inova Fair Oaks Hospital, and is a graduate of University Of Cincinnati College Of Medicine (1993).

NPPES Registry Identity

NPI1487649984
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameSANDRA LYNN RATTERMANCredential: MD
Location Address3650 JOSEPH SIEWICK DR, STE 400Fairfax, VA 22033-1710
Mailing AddressPo Box 37189Baltimore, MD 21297-3189 · (571) 423-5699 · Fax (571) 423-5698
Phone(703) 391-2020
Fax(703) 391-1211
Sole ProprietorNo
Medical School CMSUniversity Of Cincinnati College Of MedicineGraduated 1993
Enumeration DateSeptember 12, 2005
Last NPPES UpdateApril 23, 20263 updates tracked since enumeration
NPPES CertifiedApril 23, 2026
✔ NPI 1487649984 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in VA · 0101051965
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
3650 JOSEPH SIEWICK DR, Fairfax, VA 22033
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Other Identifiers 2

Medicaid05604729VA
Other080183213Rr Medicare

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

Sandra Lynn Ratterman 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 ID4688866262
PECOS Enrollment IDI20120306000698
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

2

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

Inova Physician Partners, LLC
2.8 mi
Family Medicine
3914 CENTREVILLE RD, SUITE 250
Chantilly, VA 20151
  • Reassigned Medicare billing, District of Columbia enrollment
  • 379 clinicians in this Medicare group
NPI 1215264916 (703) 321-2609
Privia Medical Group, LLC
14 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

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 8

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.
298 services170 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
76 services76 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.
44 services35 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.
42 services40 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
27 services26 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
26 services25 patients

Hospital Affiliations CMS Care Compare

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

Inova Fair Oaks Hospital

Acute Care Hospitals · Fairfax, VA
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number490101
Location3600 Joseph Siewick DriveFairfax, VA 22033 · Fairfax County
Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22033 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.

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%2,802 patients4/55-star benchmark: 99%
Health Information Exchange
The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…
67%468 patients4/55-star benchmark: 88%
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.
99%390 patients4/55-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.
86%2,682 patients4/55-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%2,649 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…
78%2,649 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%2,649 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 2

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

Enteral feeding supply kit; syringe fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4034
Other-Enteral and Parenteral · category OB006N
1 supplier11 claims330 services$2.64 avg. paid by Medicare
Enteral formula, nutritionally complete, calorically dense (equal to or greater than 1.5 kcal/ml) with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4152
Other-Enteral and Parenteral · category OB006N
1 supplier11 claims9,405 services$0.27 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 20

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

THUY PHUONG THI VO M.D.
Family Medicine
3650 JOSEPH SIEWICK DR, 400
FAIRFAX, VA 22033
Fairfax County (703) 391-2020
KATHERINE BOOKER PT
Physical Therapist
3650 JOSEPH SIEWICK DR, SUITE 308
FAIRFAX, VA 22033
Fairfax County (703) 716-4794
DR. LAURA E. BYRNES M.D.
Pediatrics
3650 JOSEPH SIEWICK DR, STE 101
FAIRFAX, VA 22033
Fairfax County (703) 391-0900
DR. HEON SOO YI M.D.
Family Medicine
3650 JOSEPH SIEWICK DR, SUITE 400
FAIRFAX, VA 22033
Fairfax County (703) 391-2020
VICTORIA LESSINGER MERKEL MD
Family Medicine
3650 JOSEPH SIEWICK DR, STE 400
FAIRFAX, VA 22033
Fairfax County (703) 391-2020
BRENT R AIN MD
Orthopaedic Surgery
3650 JOSEPH SIEWICK DR, SUITE 300
FAIRFAX, VA 22033
Fairfax County (703) 391-0111
SANDY L. CHUNG M.D.
Pediatrics
3650 JOSEPH SIEWICK DR, STE 101
FAIRFAX, VA 22033
Fairfax County (703) 391-0900
DR. PETER STEPHEN ROSS MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
3650 JOSEPH SIEWICK DR, #305
FAIRFAX, VA 22033
Fairfax County (703) 648-1831

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 Sandra Ratterman's NPI number?

The NPI number for Sandra Ratterman is 1487649984. It was assigned to this individual provider in the NPPES registry on September 12, 2005.

Where is Sandra Ratterman located?

Sandra Ratterman practices at 3650 Joseph Siewick Dr Ste 400, Fairfax, VA 22033. The listed phone number is (703) 391-2020.

What is Sandra Ratterman's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Sandra Ratterman enrolled in Medicare?

Yes. Sandra Ratterman 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 Sandra Ratterman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sandra Ratterman reassigns Medicare benefits to 2 organizations: Inova Physician Partners, LLC (Chantilly, VA) and Privia Medical Group, LLC (Arlington, VA). 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 Sandra Ratterman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sandra Ratterman accept?

Health plans from Oscar Health list Sandra Ratterman 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 Sandra Ratterman affiliated with any hospitals?

According to CMS data, Sandra Ratterman is affiliated with Inova Fair Oaks Hospital.

When was this NPI record last updated?

The NPPES record for Sandra Ratterman was last updated on April 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.