NPPES file of Aug 9, 2026

Nelli Boykoff Perkins, M.D.

Neurology Physician · San Francisco, CA

Nelli Boykoff Perkins, M.D. is a neurology physician with a practice address in San Francisco, California, and NPI 1740592112, issued on Jul 13, 2010. Check the license (California A117929, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1740592112
Name
Nelli Boykoff Perkins
Credential
M.D.
Primary taxonomy
Neurology Physician 2084N0400X
License number
A117929 CA
Self-reported in NPPES; status is on the state search
Practice location
2100 Webster St Ste 115, San Francisco, CA 94115
Phone
(415) 600-7886
Enumerated
Jul 13, 2010
Record last updated
Jul 21, 2022
Fax
(415) 369-1386
Medicare enrollment
Enrolled (PECOS I20150629003005); accepts Medicare assignment
Medical or professional school
Mayo Medical School, 2010
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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8 nearest neurology physician records → All 2,339 in California → Look up another NPI →

Also registered at 2100 Webster St Ste 115

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

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  3. Aristotle Mendiola, M.D.Gastroenterology Physician1871518266
  4. Arshia SadreddinNeurology Physician1033308903
  5. Michael Verhille, M.D.Gastroenterology Physician1851324537
  6. John WangGastroenterology Physician1518429869

Verify Nelli Boykoff Perkins in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A117929    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 California license search

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14% fewer Medicare Part D claims than the average neurology physician in 2024

1,178 Medicare Part D claims for 135 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.

  1. Nelli Perkins1,178
  2. Specialty average1,370

Most prescribed

  1. Memantine Hcl173 claims
  2. Gabapentin153 claims
  3. Topiramate101 claims
  4. Rizatriptan90 claims
  5. Qulipta77 claims
  6. Emgality Pen64 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.

Industry payments in 2024: $258.04

9 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nelli Perkins$258.04
  2. Specialty average$8,318.07

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Sutter Bay Medical FoundationSan Francisco, CA

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

Nelli Boykoff Perkins among 2,339 neurology physician records in California

Nelli Boykoff Perkins, M.D. is one of 2,339 neurology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 61% of them.

  • NPI issued2010 · 61% of these records are older, 36% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2010 · median 2006 among the 1,628 with a school on file
  • Record last updated2022 · 55% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurology Physician providers in California

There are 2,339 neurology physician records in California.

All 2,339 in California → Every provider in San Francisco → Neurology Physician nationwide →

The 8 neurology physician records with the nearest ZIP codes

  1. Sara Doster, M.D.,PH.D.San Francisco, CA 941151467526079
  2. Kenneth Fox, MDSan Francisco, CA 941151710065370
  3. Arnold Greenberg, M.D.San Francisco, CA 941151780616177
  4. Marina Kasavin, M.D., PH.D.San Francisco, CA 941151326015132
  5. Jonathan Katz, M.D.San Francisco, CA 941151457372823
  6. Morris Levin, M.D.San Francisco, CA 941151538117403
  7. Aaron Lewis, MDSan Francisco, CA 941151255419750
  8. Ko-Myong Lieu, MDSan Francisco, CA 941151376513846

Common questions

What is Nelli Boykoff Perkins, M.D.'s NPI number?

Nelli Boykoff Perkins, M.D.'s National Provider Identifier (NPI) is 1740592112, issued on Jul 13, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Nelli Boykoff Perkins, M.D. located?

The NPPES record lists a practice address at 2100 Webster St Ste 115, San Francisco, CA, 94115. Phone: (415) 600-7886. Providers update this record themselves, so call before visiting.

How can I verify Nelli Boykoff Perkins, M.D.'s license?

NPPES lists California license number A117929, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Nelli Boykoff Perkins, M.D. prescribe under Medicare Part D?

In 2024, Nelli Boykoff Perkins, M.D. had 1,178 Medicare Part D claims for 135 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.