David Karl Black, MD
Anesthesiology Physician · Castro Valley, CA
David Karl Black, MD is an anesthesiology physician with a practice address in Castro Valley, California, and NPI 1659323244, issued on May 16, 2006. Check the license (California G66927, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David Karl Black
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- G66927 CA
Self-reported in NPPES; status is on the state search - Practice location
- 20103 Lake Chabot RD, Castro Valley, CA 94546
- Phone
- (510) 537-1234
- Enumerated
- May 16, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (510) 727-2786
- Medicaid ID
- 00G669271 CA
- Medicare enrollment
- Enrolled (PECOS I20081121000697); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 1988
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Also registered at 20103 Lake Chabot RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alexei AdanEmergency Medicine Physician1679968978
- Maria Ait Rais, M.D.Hospitalist Physician1811239304
- Latricia Amadeo, RNRegistered Nurse1003407115
- Sandhya Ashokkumar, MDCritical Care Medicine (Internal Medicine) Physician1457913402
- Oluwaseyi Balasire, M.D.Hospitalist Physician1003235243
- Rachna Bali, DOHospitalist Physician1346541554
Verify David Karl Black in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G66927Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 71 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Alameda Anesthesia Associates Medical Group IncCastro Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Karl Black among 7,571 anesthesiology physician records in California
David Karl Black, MD is one of 7,571 anesthesiology physician records with a practice address in California. 71% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 53% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1988 · median 2006 among the 4,868 with a school on file
- Record last updated2026 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
22 anesthesiology physician records list a practice address in Castro Valley
They are 22 of the 999 NPPES records with a practice address in Castro Valley, and 7,571 anesthesiology physician records in California.
All 7,571 in California → Every provider in Castro Valley → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Alfred Blum, MDCastro Valley, CA 945461770533341
- Penna Bui, M.D.Castro Valley, CA 945461225045149
- Jeffrey Do, MDCastro Valley, CA 945461225088552
- Christian Eirich, MDCastro Valley, CA 945461518915883
- Warren Gee, MDCastro Valley, CA 945461528143575
- Lawrence Holm, MDCastro Valley, CA 945461477506707
- Fedor Logvin, MDCastro Valley, CA 945461871542746
- Charles Lopez, MDCastro Valley, CA 945461184673170
Common questions
What is David Karl Black, MD's NPI number?
David Karl Black, MD's National Provider Identifier (NPI) is 1659323244, issued on May 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Karl Black, MD located?
The NPPES record lists a practice address at 20103 Lake Chabot RD, Castro Valley, CA, 94546. Phone: (510) 537-1234. Providers update this record themselves, so call before visiting.
How can I verify David Karl Black, MD's license?
NPPES lists California license number G66927, 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 David Karl Black, MD's MIPS final score?
The 2023 MIPS final score is 71 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.