Charles Mark Carlstroem, M.D.
Psychiatry Physician · Long Beach, CA
Charles Mark Carlstroem, M.D. is a psychiatry physician with a practice address in Long Beach, California, and NPI 1134207475, issued on Nov 2, 2006. Check the license (California G45430, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Charles Mark Carlstroem
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- G45430 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1650 Ximeno Ave, Long Beach, CA 90804
- Phone
- (562) 494-3633
- Enumerated
- Nov 2, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- GR000082 CA
- Medicare enrollment
- Enrolled (PECOS I20101209000346); accepts Medicare assignment
- Medical or professional school
- Creighton University School Of Medicine, 1980
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 1650 Ximeno Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Roger Epstein, M.D.Psychiatry Physician1053499384
- John Knippa, PH.D.Clinical Neuropsychologist1295814150
- Loren Rench, DDSDentist1538329255
- Ronald Silverstein, M.D.Psychiatry Physician1528146834
Verify Charles Mark Carlstroem in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G45430Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% more Medicare Part D claims than the average psychiatry physician in 2024
1,318 Medicare Part D claims for 92 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Duloxetine Hcl100 claims
- Lorazepam75 claims
- Alprazolam72 claims
- Quetiapine Fumarate71 claims
- Escitalopram Oxalate56 claims
- Bupropion Xl52 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
- Coast Psychiatric AssociatesLong Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles Mark Carlstroem among 8,673 psychiatry physician records in California
Charles Mark Carlstroem, M.D. is one of 8,673 psychiatry physician records with a practice address in California. 67% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 67% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated1980 · median 2005 among the 3,295 with a school on file
- Record last updated2007 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Long Beach → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Anjam Bahl, M.D.Long Beach, CA 908041609168343
- Roger Epstein, M.D.Long Beach, CA 908041053499384
- Brooke Goldner, M.D.Long Beach, CA 908041508906421
- Mahinda Jayaratna, MDLong Beach, CA 908041902836190
- Rick Jenkins, MDLong Beach, CA 908041275502825
- Lilly Kao, M.D.Long Beach, CA 908041508830589
- Mark Ragins, MDLong Beach, CA 908041376662361
- Rita Silva-Leu, D.O.Long Beach, CA 908041073715637
Common questions
What is Charles Mark Carlstroem, M.D.'s NPI number?
Charles Mark Carlstroem, M.D.'s National Provider Identifier (NPI) is 1134207475, issued on Nov 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles Mark Carlstroem, M.D. located?
The NPPES record lists a practice address at 1650 Ximeno Ave, Long Beach, CA, 90804. Phone: (562) 494-3633. Providers update this record themselves, so call before visiting.
How can I verify Charles Mark Carlstroem, M.D.'s license?
NPPES lists California license number G45430, 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 Charles Mark Carlstroem, M.D. prescribe under Medicare Part D?
In 2024, Charles Mark Carlstroem, M.D. had 1,318 Medicare Part D claims for 92 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.