Ernest Bloom, MD
Dermatopathology Physician · Alameda, CA
Ernest Bloom, MD is a dermatopathology physician with a practice address in Alameda, California, and NPI 1306941620, issued on Sep 13, 2006. Check the license (California G56359, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ernest Bloom
- Credential
- MD
- Primary taxonomy
- Dermatopathology Physician 207ND0900X
- License number
- G56359 CA
Self-reported in NPPES; status is on the state search - Practice location
- 501 S Shore Ctr W, Alameda, CA 94501
- Phone
- (510) 227-7028
- Enumerated
- Sep 13, 2006
- Record last updated
- Jan 31, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (510) 274-7119
- Medicare enrollment
- Enrolled (PECOS I20120308000063); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 1984
- Entity
- Type 1 · individual
8 nearest dermatopathology physician records → All 64 in California → Look up another NPI →
Also registered at 501 S Shore Ctr W
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ernest Bloom in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G56359Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% more Medicare Part D claims than the average dermatopathology physician in 2024
1,353 Medicare Part D claims for 275 beneficiaries, against an average of 693 among the 249 providers of this specialty who prescribed in Part D.
Most prescribed
- Ketoconazole280 claims
- Montelukast Sodium204 claims
- Hydrocortisone141 claims
- Triamcinolone Acetonide127 claims
- Clindamycin Phosphate85 claims
- Mupirocin54 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.
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: $957.99
56 payments; by number, the most common kind was food and beverage; the largest payer was Leo Pharma Inc. The 233 providers of this specialty with any payment received $2,984.42 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Csi Medical GroupSaratoga, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ernest Bloom among 64 dermatopathology physician records in California
Ernest Bloom, MD is one of 64 dermatopathology physician records with a practice address in California. 80% 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 17% of them.
- NPI issued2006 · 17% of these records are older, 38% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1984 · median 1995 among the 44 with a school on file
- Record last updated2013 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ND0900X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatopathology Physician providers in California
There are 64 dermatopathology physician records in California.
All 64 in California → Every provider in Alameda → Dermatopathology Physician nationwide →
The 8 dermatopathology physician records with the nearest ZIP codes
- Marvin Engel, MDWalnut Creek, CA 945981902804289
- Leslie Hilger, MDOakland, CA 946091902901226
- Kwame Denianke, MDOakland, CA 946111710039938
- Jinah Kim, M.D., PH.D.Palo Alto, CA 943011093979866
- Beth Silverman-Ruben, M.D.San Francisco, CA 941151245295088
- Bryan Gammon, M.D.San Jose, CA 951241518134154
- Robert Lee, MD, PHDSanta Rosa, CA 954031346300274
- Robert Herten, MDSan Luis Obispo, CA 934051265407852
Common questions
What is Ernest Bloom, MD's NPI number?
Ernest Bloom, MD's National Provider Identifier (NPI) is 1306941620, issued on Sep 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ernest Bloom, MD located?
The NPPES record lists a practice address at 501 S Shore Ctr W, Alameda, CA, 94501. Phone: (510) 227-7028. Providers update this record themselves, so call before visiting.
How can I verify Ernest Bloom, MD's license?
NPPES lists California license number G56359, 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 Ernest Bloom, MD prescribe under Medicare Part D?
In 2024, Ernest Bloom, MD had 1,353 Medicare Part D claims for 275 beneficiaries; the average among dermatopathology physician prescribers was 693. Part D covers Medicare prescriptions only.
What is Ernest Bloom, 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.