NPPES file of Aug 9, 2026

Tiffany Marie Guglielmelli, FNP-BC

Registered Nurse · Arlington, VA

Tiffany Marie Guglielmelli, FNP-BC is a registered nurse with a practice address in Arlington, Virginia, and NPI 1346618733, issued on Sep 2, 2015. Check the license (Virginia 00011250395, as entered in NPPES) with the Virginia board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1346618733
Name
Tiffany Marie Guglielmelli
Credential
FNP-BC
Primary taxonomy
Registered Nurse 163W00000X
License numbers
00011250395 VA
0024183804 VA
RN1014316 DC
AC001605 MD
Self-reported in NPPES; status is on the state search
Practice location
1635 N George Mason Dr Ste 480, Arlington, VA 22205
Phone
(703) 248-0111
Enumerated
Sep 2, 2015
Record last updated
Dec 22, 2023
Fax
(703) 248-0046
Medicare enrollment
Enrolled (PECOS I20250811000162); accepts Medicare assignment
Medical or professional school
Georgetown University School Of Medicine, 2015
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1635 N George Mason Dr Ste 480

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Emilie Marcinkowski, PA-CSurgical Physician Assistant1851079800

Verify Tiffany Marie Guglielmelli in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Virginia board licenses this profession
    Search for license 00011250395
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Virginia license search

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98% fewer Medicare Part D claims than the average registered nurse in 2024

11 Medicare Part D claims for 11 beneficiaries, against an average of 678 among the 694 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Tiffany Guglielmelli11
  2. Specialty average678

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $90.87

1 payment: food and beverage; the largest payer was Phathom Pharmaceuticals, Inc. The 1,191 providers of this specialty with any payment received $505.98 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tiffany Guglielmelli$90.87
  2. Specialty average$505.98

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Virginia Hospital Center Physician Group LLCArlington, VA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Tiffany Marie Guglielmelli among 1,282 registered nurse records in Virginia

Tiffany Marie Guglielmelli, FNP-BC is one of 1,282 registered nurse records with a practice address in Virginia. 4% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 27% of them.

  • NPI issued2015 · 27% of these records are older, 70% newer
  • In a Medicare fileYes · 4% of these records are
  • In the CMS Doctors and Clinicians fileYes · 4% of these records are
  • Graduated2015 · median 2018 among the 49 with a school on file
  • Record last updated2023 · 41% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163W00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Registered Nurse providers in Virginia

There are 1,282 registered nurse records in Virginia.

The 8 registered nurse records with the nearest ZIP codes

  1. Ashley Kerr, RNC-OBArlington, VA 222051699552331
  2. Stephanie MonahanArlington, VA 222051972018380
  3. Helena OdellArlington, VA 222051831050012
  4. Sara Rex, CRNAArlington, VA 222051346137551
  5. Larissa Rogers, RNArlington, VA 222051831412303
  6. Lucas Welgoss, RNArlington, VA 222051619748845
  7. Bernadette BentaArlington, VA 222061497000426
  8. Vanessa Graham-Chesnavage, REGISTERED NURSEArlington, VA 222041558803825

Common questions

What is Tiffany Marie Guglielmelli, FNP-BC's NPI number?

Tiffany Marie Guglielmelli, FNP-BC's National Provider Identifier (NPI) is 1346618733, issued on Sep 2, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Tiffany Marie Guglielmelli, FNP-BC located?

The NPPES record lists a practice address at 1635 N George Mason Dr Ste 480, Arlington, VA, 22205. Phone: (703) 248-0111. Providers update this record themselves, so call before visiting.

How can I verify Tiffany Marie Guglielmelli, FNP-BC's license?

NPPES lists Virginia license number 00011250395, as entered by the provider. Search the Virginia board that licenses this profession; the NPPES record confirms identity only.

How much does Tiffany Marie Guglielmelli, FNP-BC prescribe under Medicare Part D?

In 2024, Tiffany Marie Guglielmelli, FNP-BC had 11 Medicare Part D claims for 11 beneficiaries; the average among registered nurse prescribers was 678. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.