Physician Profile
Ashish H. Kalthia, MD
Unclaimed ProfileAbout Dr. Kalthia
Listed in the NPI registry as a specialist, Ashish H. Kalthia, MD practices in Garden Grove, CA. Ashish graduated from University of California, Geffen School of Medicine in 2000. Medicare claims data shows Ashish provided 1,787 services to 450 patients. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, and dialysis services, 4 or more physician visits per month (20 years or older).
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (714) 636-2890
- Email not available
Practice Locations
12665 GARDEN GROVE BLVD STE 211
Garden Grove, CA 92843
Procedures Most Often Billed to Medicare
1,787 services · 450 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Dialysis services, 4 or more physician visits per month (20 years or older) | Treatment | 90960 |
227 | More often than most peers in Specialist |
| Dialysis services, 2-3 physician visits per month (20 years or older) | Treatment | 90961 |
32 | Less often than most peers in Specialist |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
646 | More often than most peers in Specialist |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
527 | More often than most peers in Specialist |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
163 | As often as other peers in Specialist |
| Management using the results of remote vital sign monitoring per calendar month, first 20 minutes | Office visit | 99457 |
84 | Less often than most peers in Specialist |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
41 | As often as other peers in Specialist |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
32 | Less often than most peers in Specialist |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
22 | Less often than most peers in Specialist |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
13 | Less often than most peers in Specialist |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other specialists in Garden Grove 8
Same specialty, same city.
Trained at University of California, Geffen School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2000 at University of California, Geffen School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Dialysis services, 4 or more physician visits per month (20 years or older) 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Kalthia?
Dr. Kalthia is a specialist in Garden Grove, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dr. Kalthia's address?
Dr. Kalthia is listed at 12665 Garden Grove Blvd Ste 211, Garden Grove, CA 92843. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Kalthia?
The number on file is (714) 636-2890. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Kalthia?
Dr. Kalthia's National Provider Identifier is 1508880659. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Kalthia train?
Dr. Kalthia attended University of California, Geffen School of Medicine, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Kalthia have?
Dr. Kalthia has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Kalthia perform?
According to Medicare billing data, Dr. Kalthia provides treatments such as dialysis services, 4 or more physician visits per month and dialysis services, 2-3 physician visits per month, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Kalthia's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Kalthia. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.