Dennis E. Cramer, DO
Neurological Surgery Physician · Riverside, CA
Dennis E. Cramer, DO is a neurological surgery physician with a practice address in Riverside, California, and NPI 1336353341, issued on May 9, 2007. Check the license (California 20A8197, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Dennis E. Cramer
- Credential
- DO
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License number
- 20A8197 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6276 River Crest Dr, Riverside, CA 92507
- Phone
- (951) 413-0200
- Enumerated
- May 9, 2007
- Record last updated
- Aug 9, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (951) 653-5161
- Medicare enrollment
- Enrolled (PECOS I20080211000522); accepts Medicare assignment
- Medical or professional school
- University Of Cincinnati College Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest neurological surgery physician records → All 929 in California → Look up another NPI →
Also registered at 6276 River Crest Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anthony CramerSurgical Physician Assistant1851755128
- Thomas Haider, M.D.Orthopaedic Surgery of the Spine Physician1336100379
- Sean KaloostianNeurological Surgery Physician1750607099
- Babak Khamsi, M.D.Orthopaedic Surgery of the Spine Physician1457557100
- Daniel Lopez, PA-CMedical Physician Assistant1730113101
- Rebecca PatchinPain Medicine (Anesthesiology) Physician1821059866
Verify Dennis E. Cramer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A8197Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average neurological surgery physician in 2024
119 Medicare Part D claims for 64 beneficiaries, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D. 32 claims were for opioids.
Most prescribed
- Cyclobenzaprine Hcl35 claims
- Hydrocodone-Acetaminophen23 claims
- Gabapentin14 claims
- Amitriptyline Hcl11 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: $33.37
1 payment: food and beverage; the largest payer was Pacira Pharmaceuticals Incorporated. The 5,377 providers of this specialty with any payment received $14,925.58 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
- Haider Spine Center Medical Group IncRiverside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dennis E. Cramer among 929 neurological surgery physician records in California
Dennis E. Cramer, DO is one of 929 neurological surgery physician records with a practice address in California. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 38% of them.
- NPI issued2007 · 38% of these records are older, 48% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2001 · median 2005 among the 612 with a school on file
- Record last updated2010 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurological Surgery Physician providers in California
There are 929 neurological surgery physician records in California.
All 929 in California → Every provider in Riverside → Neurological Surgery Physician nationwide →
The 8 neurological surgery physician records with the nearest ZIP codes
- Sean KaloostianRiverside, CA 925071750607099
- Lawrence Clark, MDRiverside, CA 925061982662904
- Clifford Douglas, MD, PH.D.Riverside, CA 925011932166485
- Nikhil SahasrabudheRiverside, CA 925011760772131
- Michelle FarhaMoreno Valley, CA 925551205600715
- Muhammad Ghauri, MDMoreno Valley, CA 925551629860341
- Kathlyn Larco, PA-CMoreno Valley, CA 925551649894403
- Michael Schiraldi, M.D..Moreno Valley, CA 925551326418757
Common questions
What is Dennis E. Cramer, DO's NPI number?
Dennis E. Cramer, DO's National Provider Identifier (NPI) is 1336353341, issued on May 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Dennis E. Cramer, DO located?
The NPPES record lists a practice address at 6276 River Crest Dr, Riverside, CA, 92507. Phone: (951) 413-0200. Providers update this record themselves, so call before visiting.
How can I verify Dennis E. Cramer, DO's license?
NPPES lists California license number 20A8197, 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 Dennis E. Cramer, DO prescribe under Medicare Part D?
In 2024, Dennis E. Cramer, DO had 119 Medicare Part D claims for 64 beneficiaries; the average among neurological surgery physician prescribers was 172. 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.