Alison Huffstetler, M.D.
NPI 1649665688 · Family Medicine Physician · Fairfax, VA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alison Huffstetler, M.D. is a Family Medicine Physician provider in Fairfax, VA (NPI 1649665688).
Provider details
- NPI number
- 1649665688
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD045978 (DC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 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
76 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 34 | $129 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 24 | $18 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 18 | $171 |
Typical Medicare-allowed amounts for these services range $18–$171 (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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 45 | 15 |
| Levothyroxine Sodium | 34 | — |
| Hydrochlorothiazide | 34 | — |
| Metoprolol Succinate | 23 | — |
| Finasteride | 16 | — |
| Lisinopril | 15 | — |
| Tamsulosin Hcl | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-04-06
- Last updated
- 2025-02-10
- Certified
- 2025-02-10
Frequently asked questions
- What is Alison Huffstetler's NPI number?
- Alison Huffstetler's National Provider Identifier (NPI) is 1649665688, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alison Huffstetler's specialty?
- Alison Huffstetler is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alison Huffstetler located?
- Alison Huffstetler's practice location on file with NPPES is 3650 Joseph Siewick Dr Ste 400, Fairfax, VA 22033-1715.
- What is Alison Huffstetler's phone number?
- The practice phone number listed in the NPPES registry for Alison Huffstetler is (703) 391-2020.
- Does Alison Huffstetler accept Medicare?
- Alison Huffstetler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alison Huffstetler's NPI active?
- Yes — Alison Huffstetler's NPI (1649665688) is active in the NPPES registry as of the last update on 2025-02-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.