Physician Profile
Rhanni N. Herzfeld, MD is a healthcare provider in Washington, DC specializing in neurology. Medicare claims data shows Rhanni provided 3,171 services to 2,654 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, 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', and complete ultrasound of within the brain blood flow.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
2021 K ST NW STE 210
Washington, DC 20006
Within Neurology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Headache and facial pain
Memory and cognition
Movement disorders
Neuromuscular and peripheral nerve
Seizures and epilepsy
Stroke and vascular
Brain & Spine
Brain tumors
Head & Facial Pain
Memory & Cognitive
Movement Disorders
Nerve Compression
Sleep & Movement
Spine and nerve
Spine, brain injury, and functional
Most searched procedures
Consultation and testing
Consultations & Exams
Consultations and exams
Device management
Diagnostic Testing
Infusion and medical therapies
Infusions & Therapies
Injections & Pain Relief
Medication Management
Neuromodulation
Office procedures
Trauma & Injury
3,171 services · 2,654 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Punch biopsy, each additional skin growth | Procedure | 11105 |
23 | Less often than most peers in Neurology |
| Punch biopsy, first skin growth | Procedure | 11104 |
12 | Less often than most peers in Neurology |
| Complete ultrasound of within the brain blood flow | Treatment | 93886 |
296 | More than most peers in Neurology |
| Ultrasound of both sides of head and neck blood flow | Treatment | 93880 |
279 | More than most peers in Neurology |
| Ultrasound of within the brain blood flow for blood clots | Treatment | 93892 |
278 | More than most peers in Neurology |
| Ultrasound of within the brain blood flow following medication | Treatment | 93890 |
278 | More than most peers in Neurology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
953 | More than most peers in Neurology |
| 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' | Billing code | G2211 |
609 | More than most peers in Neurology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
259 | More than most peers in Neurology |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
105 | More often than most peers in Neurology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Herzfeld is a neurologist in Washington, DC. That is the designation recorded for this NPI in the federal registry, where it is listed as “Neurology”.
NPI registry
Dr. Herzfeld is listed at 2021 K St Nw Ste 210, Washington, DC 20006. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (301) 562-7200. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Herzfeld's National Provider Identifier is 1245202589. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Herzfeld attended Other, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
Dr. Herzfeld has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Herzfeld performs procedures including punch biopsy, each additional skin growth and punch biopsy, first skin growth; provides treatments such as complete ultrasound of within the brain blood flow and ultrasound of both sides of head and neck blood flow, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Herzfeld. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.