Ashish Harji Kalthia, MD
Specialist · Garden Grove, CA
Ashish Harji Kalthia, MD is a specialist with a practice address in Garden Grove, California, and NPI 1508880659, issued on Jul 26, 2006. Check the license (California A78472, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ashish Harji Kalthia
- Credential
- MD
- Primary taxonomy
- Specialist 174400000X
- License number
- A78472 CA
Self-reported in NPPES; status is on the state search - Practice location
- 12665 Garden Grove Blvd Ste 211, Garden Grove, CA 92843
- Phone
- (714) 636-2890
- Enumerated
- Jul 26, 2006
- Record last updated
- Nov 29, 2023
- Fax
- (714) 636-2909
- Medicare enrollment
- Enrolled (PECOS I20050502000345); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 2000
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 12665 Garden Grove Blvd Ste 211
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ashish Harji Kalthia in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license A78472Check 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 specialist in 2024
723 Medicare Part D claims for 137 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Calcium Acetate86 claims
- Losartan Potassium75 claims
- Furosemide60 claims
- Amlodipine Besylate49 claims
- Farxiga35 claims
- Prednisone31 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: $245.87
4 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 5,844 providers of this specialty with any payment received $4,760.79 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
- Southern California Kidney Consultants IncGarden Grove, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ashish Harji Kalthia among 5,749 specialist records in California
Ashish Harji Kalthia, MD is one of 5,749 specialist records with a practice address in California. 30% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 60% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated2000 · median 1989 among the 1,075 with a school on file
- Record last updated2023 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in California
There are 5,749 specialist records in California.
All 5,749 in California → Every provider in Garden Grove → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Mumtaz Ali, M.DGarden Grove, CA 928431700849049
- William Annan, MDGarden Grove, CA 928431124010384
- Thanh Ha Doan, CMTGarden Grove, CA 928431942639331
- George Georgeson, M.D.Garden Grove, CA 928431841253085
- Steve Hwang, M.D.Garden Grove, CA 928431952412470
- Hong-An Jan, M.D.Garden Grove, CA 928431255332979
- Tae Rhee, M.D.Garden Grove, CA 928431235207614
- Thanh Thao Tran, CMTGarden Grove, CA 928431356770739
Common questions
What is Ashish Harji Kalthia, MD's NPI number?
Ashish Harji Kalthia, MD's National Provider Identifier (NPI) is 1508880659, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ashish Harji Kalthia, MD located?
The NPPES record lists a practice address at 12665 Garden Grove Blvd Ste 211, Garden Grove, CA, 92843. Phone: (714) 636-2890. Providers update this record themselves, so call before visiting.
How can I verify Ashish Harji Kalthia, MD's license?
NPPES lists California license number A78472, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Ashish Harji Kalthia, MD prescribe under Medicare Part D?
In 2024, Ashish Harji Kalthia, MD had 723 Medicare Part D claims for 137 beneficiaries; the average among specialist prescribers was 1,380. 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.