Edward J. Block, M.D.
Gastroenterology Physician · Mission Viejo, CA
Edward J. Block, M.D. is a gastroenterology physician with a practice address in Mission Viejo, California, and NPI 1811973860, issued on Dec 21, 2005. Check the license (California G45827, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Edward J. Block
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- G45827 CA
Self-reported in NPPES; status is on the state search - Practice location
- 27871 Medical Center RD, Mission Viejo, CA 92691
- Phone
- (949) 364-5090
- Enumerated
- Dec 21, 2005
- Record last updated
- Jan 22, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (949) 542-8710
- Medicaid ID
- 00G458270 CA
- Medicare enrollment
- Enrolled (PECOS I20050922001206); accepts Medicare assignment
- Medical or professional school
- Icahn School Of Medicine At Mount Sinai, 1980
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 27871 Medical Center RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ronald Adamany, M.D.Gastroenterology Physician1992780688
- Nahid Birjandi, DPMPodiatrist1508932120
- Luis Chanes, M.D.Ophthalmology Physician1043277361
- Elmer Chang, M.D.Gastroenterology Physician1912083353
- Daniel Cohen, D.D.S.General Practice Dentistry1396825626
- Alice Daugherty, NURSE PRACTITIONERFamily Nurse Practitioner1083621270
Verify Edward J. Block in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G45827Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% more Medicare Part D claims than the average gastroenterology physician in 2024
878 Medicare Part D claims for 402 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Pantoprazole Sodium200 claims
- Sod Sulf-Potass Sulf-Mag Sulf177 claims
- Famotidine98 claims
- Omeprazole32 claims
- Plenvu31 claims
- Budesonide Dr29 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: $3,337.44
150 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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
- Providence Medical FoundationFullerton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Edward J. Block among 2,140 gastroenterology physician records in California
Edward J. Block, M.D. is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1980 · median 2002 among the 1,538 with a school on file
- Record last updated2013 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in Mission Viejo → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Ronald Adamany, M.D.Mission Viejo, CA 926911992780688
- Wanjun Bae, M.D.Mission Viejo, CA 926911457433906
- Elmer Chang, M.D.Mission Viejo, CA 926911912083353
- Om Chaurasia, MDMission Viejo, CA 926911528136702
- Jack Feng, M.D.Mission Viejo, CA 926911710964481
- Shahram Javaheri, M.D.Mission Viejo, CA 926911497861439
- Jae Lee, M.D.Mission Viejo, CA 926911194702563
- Nader Mirhoseni, M.D.Mission Viejo, CA 926911588645964
Common questions
What is Edward J. Block, M.D.'s NPI number?
Edward J. Block, M.D.'s National Provider Identifier (NPI) is 1811973860, issued on Dec 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Edward J. Block, M.D. located?
The NPPES record lists a practice address at 27871 Medical Center RD, Mission Viejo, CA, 92691. Phone: (949) 364-5090. Providers update this record themselves, so call before visiting.
How can I verify Edward J. Block, M.D.'s license?
NPPES lists California license number G45827, 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 Edward J. Block, M.D. prescribe under Medicare Part D?
In 2024, Edward J. Block, M.D. had 878 Medicare Part D claims for 402 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.
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.