Maria Inmaculada Cobos Sillero, MD, PHD
Anatomic Pathology Physician · Stanford, CA
Maria Inmaculada Cobos Sillero, MD, PHD is an anatomic pathology physician with a practice address in Stanford, California, and NPI 1598051427, issued on Jun 20, 2011. Check the license (California A139333, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Maria Inmaculada Cobos Sillero
- Credential
- MD, PHD
- Primary taxonomy
- Anatomic Pathology Physician 207ZP0101X
- License numbers
- A139333 CA
L-247427 MA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-6041
- Enumerated
- Jun 20, 2011
- Record last updated
- Jul 2, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20151207001357); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anatomic pathology physician records → All 386 in California → Look up another NPI →
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Verify Maria Inmaculada Cobos Sillero in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A139333Check 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): 76.5 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).
One hospital affiliation
- Stanford Health CareStanford, CA · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Maria Inmaculada Cobos Sillero among 386 anatomic pathology physician records in California
Maria Inmaculada Cobos Sillero, MD, PHD is one of 386 anatomic pathology physician records with a practice address in California. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 69% of them.
- NPI issued2011 · 69% of these records are older, 29% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated1996 · median 2000 among the 190 with a school on file
- Record last updated2019 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology Physician providers in California
There are 386 anatomic pathology physician records in California.
All 386 in California → Every provider in Stanford → Anatomic Pathology Physician nationwide →
The 8 anatomic pathology physician records with the nearest ZIP codes
- Michael Arnold, MDStanford, CA 943051306005442
- Andrew ConnollyStanford, CA 943051295909109
- Stephen Galli, M.D.Stanford, CA 943051013101971
- Terri Haddix, M.D.Stanford, CA 943051144378712
- Kristin Jensen, MDStanford, CA 943051932158334
- Jason Karamchandani, M.D.Stanford, CA 943051497935019
- Jesse McKenney, MDStanford, CA 943051881784379
- Sara Michie, MDStanford, CA 943051134261258
Common questions
What is Maria Inmaculada Cobos Sillero, MD, PHD's NPI number?
Maria Inmaculada Cobos Sillero, MD, PHD's National Provider Identifier (NPI) is 1598051427, issued on Jun 20, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Maria Inmaculada Cobos Sillero, MD, PHD located?
The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-6041. Providers update this record themselves, so call before visiting.
How can I verify Maria Inmaculada Cobos Sillero, MD, PHD's license?
NPPES lists California license number A139333, 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 Maria Inmaculada Cobos Sillero, MD, PHD's MIPS final score?
The 2023 MIPS final score is 76.5 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.