Deirdra Tiffany, FNP
NPI 1255995692 · Family Nurse Practitioner · Washington, DC
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Deirdra Tiffany, FNP is a Family Nurse Practitioner provider in Washington, DC (NPI 1255995692).
Provider details
- NPI number
- 1255995692
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 1040003 (DC)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
222 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 121 | $46 |
| New Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 15 Minutes Or More99202 | 42 | $60 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 33 | $106 |
| Hemoglobin A1c Level83036 | 15 | $10 |
| Administration of Pneumococcal VaccineG0009 | 11 | $31 |
Typical Medicare-allowed amounts for these services range $10–$106 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 59 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 205 | 71 |
| Amlodipine Besylate | 113 | 47 |
| Losartan Potassium | 100 | 36 |
| Gabapentin | 84 | 34 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 63 | 33 |
| Metformin Hcl | 60 | 24 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-04-30
- Last updated
- 2019-04-30
Frequently asked questions
- What is Deirdra Tiffany's NPI number?
- Deirdra Tiffany's National Provider Identifier (NPI) is 1255995692, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Deirdra Tiffany's specialty?
- Deirdra Tiffany is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Deirdra Tiffany located?
- Deirdra Tiffany's practice location on file with NPPES is 2041 Martin Luther King Jr Ave Se Ste 303, Washington, DC 20020-7036.
- What is Deirdra Tiffany's phone number?
- The practice phone number listed in the NPPES registry for Deirdra Tiffany is (202) 889-7900.
- Does Deirdra Tiffany accept Medicare?
- Deirdra Tiffany is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Deirdra Tiffany's NPI active?
- Yes — Deirdra Tiffany's NPI (1255995692) is active in the NPPES registry as of the last update on 2019-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.