Mohan Mallam, M.D.
Geriatric Medicine (Internal Medicine) Physician · Barstow, CA
Mohan Mallam, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Barstow, California, and NPI 1538161443, issued on Aug 10, 2005. Check the license (California A42919, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mohan Mallam
- Credential
- M.D.
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- A42919 CA
Self-reported in NPPES; status is on the state search - Practice location
- 303 E Buena Vista St, Barstow, CA 92311
- Phone
- (760) 256-4601
- Enumerated
- Aug 10, 2005
- Record last updated
- Mar 11, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (760) 256-0310
- Medicaid IDs
- 00A429190 CA
LAB73093F CA - Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 532 in California → Look up another NPI →
Also registered at 303 E Buena Vista St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kenneth Terry, DOFamily Medicine Physician1144712902
Verify Mohan Mallam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A42919Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
1,912 Medicare Part D claims for 117 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Furosemide99 claims
- Atorvastatin Calcium89 claims
- Sertraline Hcl77 claims
- Tamsulosin Hcl69 claims
- Prednisone62 claims
- Trazodone Hcl53 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: $33.81
1 payment: food and beverage; the largest payer was Gilead Sciences, Inc. The 1,004 providers of this specialty with any payment received $1,720.82 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.
Mohan Mallam among 532 geriatric medicine (internal medicine) physician records in California
Mohan Mallam, M.D. is one of 532 geriatric medicine (internal medicine) 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 51% of these records are
- Record last updated2008 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in California
There are 532 geriatric medicine (internal medicine) physician records in California.
All 532 in California → Every provider in Barstow → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Wahid Midou, M.D.Apple Valley, CA 923081275563967
- Radha Menon, M.D.Apple Valley, CA 923071033104724
- Thet Oo, MDColton, CA 923241538152095
- Kumari Jayawardena, MDFontana, CA 923351255388385
- Sara Azar, M.D.Rancho Mirage, CA 922701467626986
- Shehryar Mahmood, MDRancho Mirage, CA 922701659302438
- Rupinder Mann, M D INCRancho Mirage, CA 922701982799813
- Katalin Danji, M.D.Loma Linda, CA 923541750504080
Common questions
What is Mohan Mallam, M.D.'s NPI number?
Mohan Mallam, M.D.'s National Provider Identifier (NPI) is 1538161443, issued on Aug 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mohan Mallam, M.D. located?
The NPPES record lists a practice address at 303 E Buena Vista St, Barstow, CA, 92311. Phone: (760) 256-4601. Providers update this record themselves, so call before visiting.
How can I verify Mohan Mallam, M.D.'s license?
NPPES lists California license number A42919, 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 Mohan Mallam, M.D. prescribe under Medicare Part D?
In 2024, Mohan Mallam, M.D. had 1,912 Medicare Part D claims for 117 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.