Rhanni Herzfeld, MD
NPI 1245202589 · Neurology Physician · Washington, DC
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rhanni Herzfeld, MD is a Neurology Physician provider in Washington, DC (NPI 1245202589).
Provider details
- NPI number
- 1245202589
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD034788 (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
20 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
3,171 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 | 953 | $141 |
| 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 | 609 | $18 |
| Complete Ultrasound of Within the Brain Blood Flow93886 | 296 | $252 |
| Ultrasound of Both Sides of Head and Neck Blood Flow93880 | 279 | $174 |
| Ultrasound of Within the Brain Blood Flow Following Medication93890 | 278 | $258 |
| Ultrasound of Within the Brain Blood Flow for Blood Clots93892 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 186 | 51 |
| Donepezil Hcl | 141 | 54 |
| Memantine Hcl | 137 | 49 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 114 | 36 |
| Levetiracetam | 63 | 17 |
| Escitalopram Oxalate | 55 | 21 |
| Quetiapine Fumarate | 51 | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-02
- Last updated
- 2022-03-09
- Certified
- 2022-03-09
Frequently asked questions
- What is Rhanni Herzfeld's NPI number?
- Rhanni Herzfeld's National Provider Identifier (NPI) is 1245202589, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rhanni Herzfeld's specialty?
- Rhanni Herzfeld is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Rhanni Herzfeld located?
- Rhanni Herzfeld's practice location on file with NPPES is 2021 K St Nw Ste 210, Washington, DC 20006-1003.
- What is Rhanni Herzfeld's phone number?
- The practice phone number listed in the NPPES registry for Rhanni Herzfeld is (301) 562-7200.
- Does Rhanni Herzfeld accept Medicare?
- Rhanni Herzfeld is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rhanni Herzfeld's NPI active?
- Yes — Rhanni Herzfeld's NPI (1245202589) is active in the NPPES registry as of the last update on 2022-03-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.