Stephen A. Harms, DO
Family Medicine Physician · Long Beach, CA
Stephen A. Harms, DO is a family medicine physician with a practice address in Long Beach, California, and NPI 1447241039, issued on Nov 2, 2005. Check the license (California 20A6556, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stephen A. Harms
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A6556 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2110 N Bellflower Blvd, Long Beach, CA 90815
- Phone
- (562) 346-2222
- Enumerated
- Nov 2, 2005
- Record last updated
- Jul 19, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100408000229); accepts Medicare assignment
- Medical or professional school
- College Of Osteo Med Of The Pacific At Pomona, 1993
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 2110 N Bellflower Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Evelina Appleby, MDInternal Medicine Physician1750681656
- Suparna BarberPediatrics Physician1053553826
- Hannah Maria Barroga, DOFamily Medicine Physician1184120701
- Bryan BowmanNurse Practitioner1619417060
- Tawnie Cao, PA-CPhysician Assistant1497205462
- Joann Escalante-Alviz, F.N.P.-CFamily Nurse Practitioner1841625712
Verify Stephen A. Harms in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A6556Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average family medicine physician in 2024
1,853 Medicare Part D claims for 267 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 30 claims were for opioids.
Most prescribed
- Amlodipine Besylate106 claims
- Atorvastatin Calcium67 claims
- Levothyroxine Sodium64 claims
- Alprazolam60 claims
- Tamsulosin Hcl51 claims
- Losartan Potassium46 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
- Memorialcare Medical FoundationLong Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen A. Harms among 17,133 family medicine physician records in California
Stephen A. Harms, DO is one of 17,133 family medicine physician records with a practice address in California. 81% 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, 94% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1993 · median 2005 among the 10,652 with a school on file
- Record last updated2016 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
213 family medicine physician records list a practice address in Long Beach
They are 213 of the 13,650 NPPES records with a practice address in Long Beach, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Long Beach → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Karen Allsup, M.D.Long Beach, CA 908151144268665
- Tuong Bui, MDLong Beach, CA 908151841251659
- Robert Cohen, M.D.Long Beach, CA 908151588615553
- Masoomeh Djodeir, MDLong Beach, CA 908151568442986
- Paul Eisman, MDLong Beach, CA 908151285639773
- Robert Hanser, DOLong Beach, CA 908151982675427
- David Kim, MDLong Beach, CA 908151528059607
- John Millane, MDLong Beach, CA 908151801879093
Common questions
What is Stephen A. Harms, DO's NPI number?
Stephen A. Harms, DO's National Provider Identifier (NPI) is 1447241039, issued on Nov 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Stephen A. Harms, DO located?
The NPPES record lists a practice address at 2110 N Bellflower Blvd, Long Beach, CA, 90815. Phone: (562) 346-2222. Providers update this record themselves, so call before visiting.
How can I verify Stephen A. Harms, DO's license?
NPPES lists California license number 20A6556, 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 Stephen A. Harms, DO prescribe under Medicare Part D?
In 2024, Stephen A. Harms, DO had 1,853 Medicare Part D claims for 267 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.