NPPES file of Aug 9, 2026

Rhanni N. Herzfeld, MD

Neurology Physician · Washington, DC

Rhanni N. Herzfeld, MD is a neurology physician with a practice address in Washington, District of Columbia, and NPI 1245202589, issued on Feb 2, 2006. Check the license (District of Columbia MD034788, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245202589
Name
Rhanni N. Herzfeld
Credential
MD
Primary taxonomy
Neurology Physician 2084N0400X
License number
MD034788 DC
Self-reported in NPPES; status is on the state search
Practice location
2021 K St NW Ste 210, Washington, DC 20006
Phone
(301) 562-7200
Enumerated
Feb 2, 2006
Record last updated
Mar 9, 2022
Fax
(202) 429-8957
Medicare enrollment
Enrolled (PECOS I20040823001413); accepts Medicare assignment
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 2021 K St NW Ste 210

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

  1. Annise Claude, PA-CMedical Physician Assistant1295014330
  2. Danish Ghazali, MDNeurology Physician1285196378
  3. Shawn Nelson Schmitt, PH.D.Clinical Neuropsychologist1184071375
  4. Lynda NwabuobiNeurology Physician1508276957
  5. Enoch OduroClinical Neuropsychologist1194642348
  6. Philip Pulaski, MDNeurology Physician1013989938

Verify Rhanni N. Herzfeld in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
    Search for license MD034788
    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
Open the District of Columbia license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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28% more Medicare Part D claims than the average neurology physician in 2024

1,753 Medicare Part D claims for 356 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.

  1. Rhanni Herzfeld1,753
  2. Specialty average1,370

Most prescribed

  1. Gabapentin186 claims
  2. Donepezil Hcl141 claims
  3. Memantine Hcl137 claims
  4. Carbidopa-Levodopa114 claims
  5. Levetiracetam63 claims
  6. Escitalopram Oxalate55 claims

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.

The practice group's MIPS final score for 2023 (Medicare payment program): 81.7 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score55.9
  2. Costout of 100 · 30%83.0
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Suburban/nrh Medical Rehabilitation IncBethesda, MD
  2. The Neurology CenterWashington, DC

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

Rhanni N. Herzfeld among 137 neurology physician records in District of Columbia

Rhanni N. Herzfeld, MD is one of 137 neurology physician records with a practice address in District of Columbia. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2000 · median 2007 among the 84 with a school on file
  • Record last updated2022 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurology Physician providers in District of Columbia

There are 137 neurology physician records in District of Columbia.

The 8 neurology physician records with the nearest ZIP codes

  1. Swati Divakarla, MDWashington, DC 200061528402443
  2. Danish Ghazali, MDWashington, DC 200061285196378
  3. Lynda NwabuobiWashington, DC 200061508276957
  4. Philip Pulaski, MDWashington, DC 200061013989938
  5. Edward HealtonWashington, DC 200071184623944
  6. Kathleen JohnsonWashington, DC 200071851390207
  7. Gholam MotamediWashington, DC 200071801884192
  8. Benjamin OsborneWashington, DC 200071750310504

Common questions

What is Rhanni N. Herzfeld, MD's NPI number?

Rhanni N. Herzfeld, MD's National Provider Identifier (NPI) is 1245202589, issued on Feb 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Rhanni N. Herzfeld, MD located?

The NPPES record lists a practice address at 2021 K St NW Ste 210, Washington, DC, 20006. Phone: (301) 562-7200. Providers update this record themselves, so call before visiting.

How can I verify Rhanni N. Herzfeld, MD's license?

NPPES lists District of Columbia license number MD034788, as entered by the provider. Search the District of Columbia Board of Medicine at https://dchealth.dc.gov/bomed. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Rhanni N. Herzfeld, MD prescribe under Medicare Part D?

In 2024, Rhanni N. Herzfeld, MD had 1,753 Medicare Part D claims for 356 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.

What is Rhanni N. Herzfeld, MD's MIPS final score?

The 2023 MIPS final score is 81.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.