Eric J. Crisostomo, MD
Internal Medicine Physician · Fairfield, CA
Eric J. Crisostomo, MD is an internal medicine physician with a practice address in Fairfield, California, and NPI 1689752412, issued on Nov 1, 2006. Check the license (California A66806, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Eric J. Crisostomo
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A66806 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1550 Gateway Blvd, Fairfield, CA 94533
- Phone
- (707) 427-4000
- Enumerated
- Nov 1, 2006
- Record last updated
- Dec 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00A668060 CA
- Medicare enrollment
- Enrolled (PECOS I20101228000663); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 1997
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1550 Gateway Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Folasade Adesina, PHARM DPharmacist1457883761
- Syamala Aiyar, MDPediatrics Physician1760560593
- Ruthan Arca, RPHPharmacist1437680162
- Irwin Barr, MDInternal Medicine Physician1659450799
- Marissa Bartlett, MDPediatrics Physician1659443489
- Jaime Betters, R.D.Registered Dietitian1861559460
Verify Eric J. Crisostomo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A66806Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average internal medicine physician in 2024
7,882 Medicare Part D claims for 621 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 512 claims were for opioids.
Most prescribed
- Atorvastatin Calcium580 claims
- Amlodipine Besylate376 claims
- Lisinopril295 claims
- Hydrocodone-Acetaminophen266 claims
- Losartan Potassium250 claims
- Levothyroxine Sodium244 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.
Bills Medicare through one group practice
- Permanente Medical Group IncFairfield, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eric J. Crisostomo among 17,696 internal medicine physician records in California
Eric J. Crisostomo, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% 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, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1997 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
54 internal medicine physician records list a practice address in Fairfield
They are 54 of the 3,595 NPPES records with a practice address in Fairfield, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Fairfield → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sumera Ahmed, MDFairfield, CA 945331134180219
- Nail Amro, M.D.Fairfield, CA 945331861413551
- Shulan Ding, MDFairfield, CA 945331811075351
- Daniel Green, MDFairfield, CA 945331386731602
- Svetlana Gutierrez, M.D.Fairfield, CA 945331619990637
- Jane Hewitt, MDFairfield, CA 945331629156526
- James Horodyski, M.D.Fairfield, CA 945331184710063
- Matthew Johnson, MDFairfield, CA 945331659487395
Common questions
What is Eric J. Crisostomo, MD's NPI number?
Eric J. Crisostomo, MD's National Provider Identifier (NPI) is 1689752412, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Eric J. Crisostomo, MD located?
The NPPES record lists a practice address at 1550 Gateway Blvd, Fairfield, CA, 94533. Phone: (707) 427-4000. Providers update this record themselves, so call before visiting.
How can I verify Eric J. Crisostomo, MD's license?
NPPES lists California license number A66806, 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 Eric J. Crisostomo, MD prescribe under Medicare Part D?
In 2024, Eric J. Crisostomo, MD had 7,882 Medicare Part D claims for 621 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.