Dr. Rhanni N. Herzfeld, MD
- Medicare services, 2024
- 3,171
- Medicare patients, 2024
- 979
- Part D claims, 2024
- 1,753
- MIPS score, 2024
- 92
- Hospital affiliations
- 5
- Practice address
- 8555 16th St, Silver Spring, MD 20910
- Practice phone
- Call (301) 562-7200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The Neurology Center
Silver Spring, Maryland
Find Dr. Herzfeld's professional email, personal email and mobile number
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Dr. Rhanni N. Herzfeld is a neurologist in Silver Spring, Maryland
Dr. Herzfeld practices at The Neurology Center in Silver Spring, Maryland.
Dr. Herzfeld's NPI, 1245202589, was assigned on February 2, 2006. Dr. Herzfeld holds District of Columbia license MD034788.
- NPI
- 1245202589NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042284283
- NPI enumeration date
- February 2, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (301) 562-7200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Rhanni N. Herzfeld practices at The Neurology Center in Silver Spring, Maryland
Dr. Herzfeld's primary practice is The Neurology Center, at 8555 16th St, Silver Spring, MD 20910 in Montgomery County. The practice phone is (301) 562-7200.
- The Neurology Center8555 16th St, Silver Spring, MD 20910 · Montgomery CountyPhone(301) 562-7200
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Rhanni N. Herzfeld is affiliated with 7 sites of care and 1 medical group
Dr. Herzfeld's primary practice is The Neurology Center in Silver Spring, Maryland. Dr. Herzfeld is also affiliated with VHC Health. The medical group on file is The Neurology Center. Dmand AI also links Dr. Herzfeld to 4 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Rhanni N. Herzfeld's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Herzfeld practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Neurology Center | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Rhanni N. Herzfeld is one of 445 neurologists in Maryland
Neurology is Dr. Herzfeld's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Herzfeld is licensed in District of Columbia.
Specialties and state licenses
- Neurology, District of ColumbiaPrimary
Neurologists near Dr. Herzfeld
Counts of neurologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Rhanni N. Herzfeld billed Medicare for 3,171 services in 2024
CMS data shows 3,171 Medicare services from Dr. Herzfeld across 11 procedure codes in 2024, for 979 Medicare patients. Medicare paid $364,706 for them. Every service was in an office.
Dr. Herzfeld's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,4622024: 1,3965%
- Tests and treatments
- 2023: 1,3012024: 1,13113%
- Other services
- 2023: 02024: 609
- Surgery
- 2023: 02024: 35
Dr. Herzfeld compared with the Maryland median for neurologists, 2024
- Dr. Herzfeld
- Maryland median
- Medicare services
- 3,171vs 4916.5 times
- Medicare patients
- 979vs 2224.4 times
- Part D claims
- 1,467vs 2565.7 times
Medians across 394 neurologists in Maryland with Dmand AI profiles that report each measure.
Dr. Herzfeld's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Rhanni N. Herzfeld treated 979 Medicare patients in 2024, average age 77
CMS counts 979 Medicare patients who saw Dr. Herzfeld in 2024. The largest group is 75 to 84, with 469 patients. 75% of them have high cholesterol, and 66% have high blood pressure. 2% are also on Medicaid. Their average risk score is 0.96, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Herzfeld's median patient age at 57, with 62% women.
Dr. Herzfeld's Medicare patients by age, 2024
Dr. Herzfeld's Medicare patients by sex, 2024
- Women57859%
- Men40141%
Chronic conditions among Dr. Herzfeld's Medicare patients, 2024
- High cholesterol75%
- High blood pressure66%
- Arthritis53%
- Stroke or TIA28%
- Mood disorders26%
- Ischemic heart disease25%
- Depression23%
- Osteoporosis23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Herzfeld's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women62%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Rhanni N. Herzfeld wrote 1,753 Medicare Part D claims in 2024
In 2024, Dr. Herzfeld wrote 1,753 Medicare Part D claims for 356 patients. 89% of them were for generic drugs. CMS names the drug for 1,467 of them, across 38 drugs with 11 or more claims each, at $213,202 in total drug cost. In 2023, CMS named 958 claims across 30 drugs.
Dr. Herzfeld's Part D claims by kind of drug, 2024
- Generic1,553 claims89%
- Brand-name and other200 claims11%
Dr. Herzfeld's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Herzfeld's Part D claims, 2024
- Antipsychotics, patients 65 and over3%59 of 1,753 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 9582024: 1,46753%
Drugs named by CMS: 38 in 2024, 30 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Rhanni N. Herzfeld scored 92 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Herzfeld for performance year 2024, reported individually. Dr. Herzfeld accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Herzfeld as offering telehealth. CMS counts 33 procedures of skin biopsy by Dr. Herzfeld, more than 66% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Herzfeld's MIPS scores, performance year 2024
- 92of 100Final score
- 84.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Herzfeld ranks in Medicare procedure volume
- Skin biopsy
- 66th percentile33 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Rhanni N. Herzfeld received $970 in industry payments from 2016 to 2025
CMS Open Payments shows 52 general payments to Dr. Herzfeld from 6 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $729.
General payments to Dr. Herzfeld by program year, 2016 to 2025
Companies that paid Dr. Herzfeld the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Rhanni N. Herzfeld's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Rhanni N. Herzfeld
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Rhanni N. Herzfeld's NPI number?
Dr. Rhanni N. Herzfeld's NPI number is 1245202589. It was assigned on February 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Rhanni N. Herzfeld?
Dr. Rhanni N. Herzfeld is a neurologist in Silver Spring, Maryland. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Rhanni N. Herzfeld practice?
Dr. Herzfeld practices at 8555 16th St, Silver Spring, MD 20910. Dr. Herzfeld's primary practice is The Neurology Center in Silver Spring, Maryland. Dmand AI also links Dr. Herzfeld to 4 hospitals and 1 group practice or clinic.
What is Dr. Rhanni N. Herzfeld's office phone number?
The practice phone on file for Dr. Herzfeld is (301) 562-7200.
What is Dr. Rhanni N. Herzfeld's medical license number?
Dr. Herzfeld holds District of Columbia license MD034788.
Which hospitals is Dr. Rhanni N. Herzfeld affiliated with?
Dr. Herzfeld is affiliated with VHC Health. Dmand AI links Dr. Herzfeld to 4 more hospitals.
What medical group is Dr. Rhanni N. Herzfeld part of?
Dr. Herzfeld is linked to The Neurology Center.
Does Dr. Rhanni N. Herzfeld accept Medicare?
Yes. CMS data shows Dr. Herzfeld billed Medicare for 3,171 services in 2024, and Dr. Herzfeld accepts Medicare assignment.
Does Dr. Rhanni N. Herzfeld offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Herzfeld as offering telehealth services.
What is Dr. Rhanni N. Herzfeld's MIPS score?
Dr. Herzfeld's MIPS final score for performance year 2024 is 92 out of 100, reported individually.
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How many Medicare patients does Dr. Rhanni N. Herzfeld see?
CMS counts 979 Medicare patients who saw Dr. Herzfeld in 2024, with an average age of 77.
What services does Dr. Rhanni N. Herzfeld bill to Medicare?
In 2024, Dr. Herzfeld's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and blood vessel study (93886).
What drugs does Dr. Rhanni N. Herzfeld prescribe most?
In 2024 Medicare Part D data, Dr. Herzfeld's most prescribed drugs by claims were Gabapentin, Donepezil HCl and Memantine HCl.
Has Dr. Rhanni N. Herzfeld received payments from drug or device companies?
CMS Open Payments shows $970 in general payments to Dr. Herzfeld from 6 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Rhanni N. Herzfeld been practicing?
Dr. Herzfeld graduated from medical school in 2000, 26 years ago.
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