Dr. Amir Asifuddin, MD
- Medicare services, 2024
- 613
- Medicare patients, 2024
- 190
- Part D claims, 2024
- 267
- Hospital affiliations
- 2
- Industry payments
- $2,105
- Practice address
- 27700 Medical Center Rd, Mission Viejo, CA 92691
- Practice phone
- Call (949) 365-2447
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mission Hospital - Unit
Acute Care Hospital-Unit · Mission Viejo, California
Find Dr. Asifuddin's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Amir Asifuddin is an internist in Mission Viejo, California
Dr. Asifuddin practices at Mission Hospital - Unit in Mission Viejo, California.
Dr. Asifuddin's NPI, 1407148760, was assigned on May 5, 2011. Dr. Asifuddin holds California license A131642.
- NPI
- 1407148760NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8123247723
- NPI enumeration date
- May 5, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (949) 365-2447
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Amir Asifuddin practices at Mission Hospital - Unit in Mission Viejo, California
Dr. Asifuddin's primary practice is Mission Hospital - Unit, at 27700 Medical Center Rd, Mission Viejo, CA 92691 in Orange County. The practice phone is (949) 365-2447.
- Mission Hospital - Unit27700 Medical Center Rd, Mission Viejo, CA 92691 · Orange CountyPhone(949) 365-2447
Source: Dmand AI Affiliation Data
Dr. Amir Asifuddin is affiliated with 2 sites of care and 2 medical groups
Dr. Asifuddin's primary practice is Mission Hospital - Unit in Mission Viejo, California. Dr. Asifuddin is also affiliated with Providence Mission Hospital. The medical group on file is St. Jude Heritage Medical Group. Dmand AI also links Dr. Asifuddin to 1 more medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Amir Asifuddin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Asifuddin practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mission Hospital - Unit | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Amir Asifuddin is one of 16,751 internists in California
Internal medicine is Dr. Asifuddin's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Asifuddin's licenses on file in 2 states: California and Arizona.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Arizona license
Internists near Dr. Asifuddin
Counts of internists 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. Amir Asifuddin billed Medicare for 613 services in 2024
CMS data shows 613 Medicare services from Dr. Asifuddin across 6 procedure codes in 2024, for 190 Medicare patients. Medicare paid $49,718 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Asifuddin's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7572024: 61319%
Dr. Asifuddin compared with the California median for internists, 2024
- Dr. Asifuddin
- California median
- Medicare services
- 613vs 36170% above
- Medicare patients
- 190vs 15126% above
- Part D claims
- 76vs 42182% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Asifuddin'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.
Need commercial claims for Dr. Asifuddin?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Asifuddin and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Amir Asifuddin treated 190 Medicare patients in 2024, average age 80
CMS counts 190 Medicare patients who saw Dr. Asifuddin in 2024. The largest group is 75 to 84, with 76 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 2.40, 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. Asifuddin's median patient age at 73, with 47% women.
Dr. Asifuddin's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Asifuddin's Medicare patients by sex, 2024
- Women9852%
- Men9248%
Chronic conditions among Dr. Asifuddin's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Ischemic heart disease51%
- Atrial fibrillation45%
- Heart failure41%
- Anxiety38%
- Mood disorders37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Asifuddin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women47%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Amir Asifuddin wrote 267 Medicare Part D claims in 2024
In 2024, Dr. Asifuddin wrote 267 Medicare Part D claims for 119 patients. 89% of them were for generic drugs. CMS names the drug for 76 of them, across 6 drugs with 11 or more claims each, at $301 in total drug cost. In 2023, CMS named 72 claims across 6 drugs.
Dr. Asifuddin's Part D claims by kind of drug, 2024
- Generic238 claims89%
- Brand-name29 claims11%
Dr. Asifuddin'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. Asifuddin's Part D claims, 2024
- Opioids7%20 of 267 claims
- Antibiotics17%46 of 267 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 722024: 766%
Drugs named by CMS: 6 in 2024, 6 in 2023.
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. Amir Asifuddin takes part in Medicare
Dr. Asifuddin 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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Dr. Amir Asifuddin received $2,105 in industry payments from 2016 to 2025
CMS Open Payments shows 103 general payments to Dr. Asifuddin from 13 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $522.
General payments to Dr. Asifuddin by program year, 2016 to 2025
Companies that paid Dr. Asifuddin the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Amir Asifuddin'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 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) |
| Industry payments | Open Payments (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. Amir Asifuddin
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. Amir Asifuddin's NPI number?
Dr. Amir Asifuddin's NPI number is 1407148760. It was assigned on May 5, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Amir Asifuddin?
Dr. Amir Asifuddin is an internist in Mission Viejo, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Amir Asifuddin practice?
Dr. Asifuddin practices at 27700 Medical Center Rd, Mission Viejo, CA 92691. Dr. Asifuddin's primary practice is Mission Hospital - Unit in Mission Viejo, California. Dmand AI also links Dr. Asifuddin to 1 medical group.
What is Dr. Amir Asifuddin's office phone number?
The practice phone on file for Dr. Asifuddin is (949) 365-2447.
What is Dr. Amir Asifuddin's medical license number?
Dr. Asifuddin holds California license A131642, one of the licenses on file in 2 states.
Which states has Dr. Amir Asifuddin been licensed in?
Dmand AI has state licenses on file for Dr. Asifuddin in California and Arizona.
Which hospitals is Dr. Amir Asifuddin affiliated with?
Dr. Asifuddin is affiliated with Providence Mission Hospital. Dmand AI links Dr. Asifuddin to 1 more hospital.
What medical group is Dr. Amir Asifuddin part of?
Dr. Asifuddin is linked to St. Jude Heritage Medical Group. Dmand AI links Dr. Asifuddin to 1 more medical group.
Does Dr. Amir Asifuddin accept Medicare?
Yes. CMS data shows Dr. Asifuddin billed Medicare for 613 services in 2024, and Dr. Asifuddin accepts Medicare assignment.
How many Medicare patients does Dr. Amir Asifuddin see?
CMS counts 190 Medicare patients who saw Dr. Asifuddin in 2024, with an average age of 80.
Show 4 more questionsShow fewer questions
What services does Dr. Amir Asifuddin bill to Medicare?
In 2024, Dr. Asifuddin's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
What drugs does Dr. Amir Asifuddin prescribe most?
In 2024 Medicare Part D data, Dr. Asifuddin's most prescribed drugs by claims were Atorvastatin Calcium, Oxycodone HCl and Pantoprazole Sodium.
Has Dr. Amir Asifuddin received payments from drug or device companies?
CMS Open Payments shows $2,105 in general payments to Dr. Asifuddin from 13 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Amir Asifuddin been practicing?
Dr. Asifuddin graduated from medical school in 2011, 15 years ago.
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