NPPES file of Aug 9, 2026

Edward Chang, MD

Neurological Surgery Physician · San Francisco, CA

Edward Chang, MD is a neurological surgery physician with a practice address in San Francisco, California, and NPI 1841329646, issued on Mar 5, 2007. Check the license (California A94367, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1841329646
Name
Edward Chang
Credential
MD
Primary taxonomy
Neurological Surgery Physician 207T00000X
License number
A94367 CA
Self-reported in NPPES; status is on the state search
Practice location
505 Parnassus Ave # M779, San Francisco, CA 94143
Phone
(415) 353-3904
Enumerated
Mar 5, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20100727001004); accepts Medicare assignment
Medical or professional school
University Of California, San Francisco School Of Medicine, 2004
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 505 Parnassus Ave # M779

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

  1. Vijay Letchuman, MDStudent in an Organized Health Care Education/Training Program1023748266

Verify Edward Chang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A94367
    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

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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No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

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

Industry payments in 2024: $215.77

2 payments; by number, the most common kind was travel and lodging; the largest payer was LivaNova USA, Inc. The 5,377 providers of this specialty with any payment received $14,925.58 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Edward Chang$216
  2. Specialty average$14,926

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. Ucsf Medical Group Business ServicesSan Francisco, CA

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

Edward Chang among 929 neurological surgery physician records in California

Edward Chang, MD is one of 929 neurological surgery physician records with a practice address in California. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 38% of them.

  • NPI issued2007 · 38% of these records are older, 48% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2004 · median 2005 among the 612 with a school on file
  • Record last updated2007 · 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 207T00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurological Surgery Physician providers in California

There are 929 neurological surgery physician records in California.

The 8 neurological surgery physician records with the nearest ZIP codes

  1. Manish Aghi, MD PHDSan Francisco, CA 941431689647778
  2. Christopher Ames, MDSan Francisco, CA 941431265485155
  3. Mitchel Berger, MDSan Francisco, CA 941431538117981
  4. Nicholas Butowski, MDSan Francisco, CA 941431184681009
  5. Susan Chang, MDSan Francisco, CA 941431346299518
  6. Nalin Gupta, MDSan Francisco, CA 941431811955438
  7. Evren Keles, M.D.San Francisco, CA 941431407872674
  8. Praveen Mummaneni, M.D.San Francisco, CA 941431407960099

Common questions

What is Edward Chang, MD's NPI number?

Edward Chang, MD's National Provider Identifier (NPI) is 1841329646, issued on Mar 5, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Edward Chang, MD located?

The NPPES record lists a practice address at 505 Parnassus Ave # M779, San Francisco, CA, 94143. Phone: (415) 353-3904. Providers update this record themselves, so call before visiting.

How can I verify Edward Chang, MD's license?

NPPES lists California license number A94367, 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.

What is Edward Chang, MD's MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.