Dr. Harikrishna Ambati, MD
- Medicare services, 2024
- 651
- Medicare patients, 2024
- 178
- Part D claims, 2024
- 254
- Hospital affiliations
- 4
- Medical groups
- 11
- Practice address
- 5000 San Bernardino Road, Montclair, CA 91763
- Practice phone
- Call (909) 625-8300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Harikrishna Ambati is a family medicine physician in Montclair, California
Dr. Ambati practices at Montclair Hospital Medical Center in Montclair, California, part of Prime Healthcare Services.
Dr. Ambati's NPI, 1154998730, was assigned on June 10, 2021. Dr. Ambati holds California license A193064.
- NPI
- 1154998730NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5890168850
- NPI enumeration date
- June 10, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 625-8300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Harikrishna Ambati practices at Montclair Hospital Medical Center in Montclair, California
Dr. Ambati's primary practice is Montclair Hospital Medical Center, at 5000 San Bernardino Road, Montclair, CA 91763 in San Bernardino County. The practice phone is (909) 625-8300.
- Montclair Hospital Medical Center5000 San Bernardino Road, Montclair, CA 91763 · San Bernardino CountyPhone(909) 625-8300
Source: Dmand AI Affiliation Data
Dr. Harikrishna Ambati is affiliated with 13 sites of care and 11 medical groups
Dr. Ambati's primary practice is Montclair Hospital Medical Center in Montclair, California, part of Prime Healthcare Services. Dr. Ambati is also affiliated with Pomona Valley Hospital Medical Center. The medical group on file is Golden State Medical Group. Dmand AI also links Dr. Ambati to 2 more hospitals, 10 medical groups, 3 skilled nursing facilities, 2 physician offices, 2 group practices and clinics and 2 home health agencies, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Harikrishna Ambati's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ambati practices, 13 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Montclair Hospital Medical Center | Available with a free account |
| +12 more sites and 10 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Harikrishna Ambati is one of 15,680 family medicine physicians in California
Family medicine is Dr. Ambati's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Ambati is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Family medicine physicians near Dr. Ambati
Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Harikrishna Ambati billed Medicare for 651 services in 2024
CMS data shows 651 Medicare services from Dr. Ambati across 6 procedure codes in 2024, for 178 Medicare patients. Medicare paid $62,658 for them.
Dr. Ambati's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 742024: 651780%
Where Dr. Ambati's Medicare services took place, 2024
- In an office223%
- In a facility62997%
Dr. Ambati compared with the California median for family medicine physicians, 2024
- Dr. Ambati
- California median
- Medicare services
- 651vs 2462.6 times
- Medicare patients
- 178vs 11851% above
- Part D claims
- 42vs 83395% below
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Ambati's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Harikrishna Ambati treated 178 Medicare patients in 2024, average age 74
CMS counts 178 Medicare patients who saw Dr. Ambati in 2024. The largest group is 65 to 74, with 55 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 79% are also on Medicaid. Their average risk score is 3.19, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Ambati's median patient age at 60, with 54% women.
Dr. Ambati's Medicare patients by age, 2024
Dr. Ambati's Medicare patients by sex, 2024
- Women10760%
- Men7140%
Chronic conditions among Dr. Ambati's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes60%
- Mood disorders53%
- Arthritis49%
- Depression49%
- Heart failure49%
- Alzheimer's and dementia44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ambati's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Harikrishna Ambati wrote 254 Medicare Part D claims in 2024
In 2024, Dr. Ambati wrote 254 Medicare Part D claims for 39 patients. 87% of them were for generic drugs. CMS names the drug for 42 of them, across 3 drugs with 11 or more claims each, at $617 in total drug cost.
Dr. Ambati's Part D claims by kind of drug, 2024
- Generic220 claims87%
- Brand-name and other34 claims13%
Dr. Ambati's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Ambati's Part D claims, 2024
- Antibiotics8%21 of 254 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Harikrishna Ambati takes part in Medicare
Dr. Ambati accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for Dr. Harikrishna Ambati's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Harikrishna Ambati
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Harikrishna Ambati's NPI number?
Dr. Harikrishna Ambati's NPI number is 1154998730. It was assigned on June 10, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Harikrishna Ambati?
Dr. Harikrishna Ambati is a family medicine physician in Montclair, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Harikrishna Ambati practice?
Dr. Ambati practices at 5000 San Bernardino Road, Montclair, CA 91763. Dr. Ambati's primary practice is Montclair Hospital Medical Center in Montclair, California, part of Prime Healthcare Services. Dmand AI also links Dr. Ambati to 2 hospitals, 10 medical groups, 3 skilled nursing facilities, 2 physician offices, 2 group practices and clinics and 2 home health agencies.
What is Dr. Harikrishna Ambati's office phone number?
The practice phone on file for Dr. Ambati is (909) 625-8300.
What is Dr. Harikrishna Ambati's medical license number?
Dr. Ambati holds California license A193064.
Which hospitals is Dr. Harikrishna Ambati affiliated with?
Dr. Ambati practices at Montclair Hospital Medical Center in Montclair, California. Dr. Ambati is also affiliated with Pomona Valley Hospital Medical Center. Dmand AI links Dr. Ambati to 2 more hospitals.
What medical group is Dr. Harikrishna Ambati part of?
Dr. Ambati is linked to Golden State Medical Group. Dmand AI links Dr. Ambati to 10 more medical groups.
Does Dr. Harikrishna Ambati accept Medicare?
Yes. CMS data shows Dr. Ambati billed Medicare for 651 services in 2024, and Dr. Ambati accepts Medicare assignment.
How many Medicare patients does Dr. Harikrishna Ambati see?
CMS counts 178 Medicare patients who saw Dr. Ambati in 2024, with an average age of 74.
What services does Dr. Harikrishna Ambati bill to Medicare?
In 2024, Dr. Ambati's most billed Medicare services were hospital inpatient care (99233), care management and other visits (99497) and hospital inpatient care (99239).
What drugs does Dr. Harikrishna Ambati prescribe most?
In 2024 Medicare Part D data, Dr. Ambati's most prescribed drugs by claims were Atorvastatin Calcium, Memantine HCl and Omeprazole.
How long has Dr. Harikrishna Ambati been practicing?
Dr. Ambati graduated from medical school in 2009, 17 years ago.
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