Dr. Ambujam R. Krishnan, MD
- Medicare services, 2024
- 171
- Medicare patients, 2024
- 101
- Part D claims, 2024
- 1,811
- Hospital affiliations
- 1
- Industry payments
- $3,060
- Practice address
- 15645 Farmington Rd, Livonia, MI 48154
- Practice phone
- Call (734) 469-4664
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Comprehensive Healthcare Associates and Prevention Medicine
Livonia, Michigan
Find Dr. Krishnan'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. Ambujam R. Krishnan is a hematologist and oncologist in Livonia, Michigan
Dr. Krishnan practices at Comprehensive Healthcare Associates and Prevention Medicine in Livonia, Michigan.
Dr. Krishnan's NPI, 1548231749, was assigned on January 27, 2006. Dr. Krishnan graduated from Gandhi Medical College in 1974. Dr. Krishnan holds Michigan license AK043104.
- NPI
- 1548231749NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0840274841
- NPI enumeration date
- January 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (734) 469-4664
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 78
- Medical school graduation
- 1974
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ambujam R. Krishnan practices at Comprehensive Healthcare Associates and Prevention Medicine in Livonia, Michigan
Dr. Krishnan's primary practice is Comprehensive Healthcare Associates and Prevention Medicine, at 15645 Farmington Rd, Livonia, MI 48154 in Wayne County. The practice phone is (734) 469-4664.
- Comprehensive Healthcare Associates and Prevention Medicine15645 Farmington Rd, Livonia, MI 48154 · Wayne CountyPhone(734) 469-4664
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ambujam R. Krishnan is affiliated with 11 sites of care and 4 medical groups
Dr. Krishnan's primary practice is Comprehensive Healthcare Associates and Prevention Medicine in Livonia, Michigan. Dr. Krishnan is also affiliated with Trinity Health Livonia Hospital. The medical group on file is American Visiting Providers. Dmand AI also links Dr. Krishnan to 5 more home health agencies, 4 group practices and clinics and 3 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ambujam R. Krishnan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Krishnan practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Comprehensive Healthcare Associates and Prevention Medicine | Available with a free account |
| +10 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ambujam R. Krishnan is one of 298 hematologists and oncologists in Michigan
Hematology and oncology is Dr. Krishnan's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Krishnan is board certified in internal medicine by the American Board of Internal Medicine. Dr. Krishnan is licensed in Michigan.
Specialties and state licenses
- Hematology and oncology, MichiganPrimary
Clinical focus
Dmand AI lists acid reflux, acute sinusitis, aneurysm, anxiety, arthritis, asthma, atrial fibrillation and flutter and bronchitis among the conditions Dr. Krishnan treats.
Hematologists and oncologists near Dr. Krishnan
Counts of hematologists and oncologists 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. Ambujam R. Krishnan billed Medicare for 171 services in 2024
CMS data shows 171 Medicare services from Dr. Krishnan across 2 procedure codes in 2024, for 101 Medicare patients. Medicare paid $9,756 for them. Every service was in an office.
Dr. Krishnan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 1512024: 17113%
- Office and hospital visits
- 2023: 3622024: 0100%
Dr. Krishnan compared with the Michigan median for hematologists and oncologists, 2024
- Dr. Krishnan
- Michigan median
- Medicare services
- 171vs 61972% below
- Medicare patients
- 101vs 22856% below
- Part D claims
- 1,127vs 3783.0 times
Medians across 291 hematologists and oncologists in Michigan with Dmand AI profiles that report each measure.
Dr. Krishnan'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. Krishnan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Krishnan and other hematologists and oncologists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ambujam R. Krishnan treated 101 Medicare patients in 2024, average age 69
CMS counts 101 Medicare patients who saw Dr. Krishnan in 2024. The largest group is 65 to 74, with 39 patients. 75% of them have arthritis, and 75% have high blood pressure. 79% are also on Medicaid. Their average risk score is 2.04, 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. Krishnan's median patient age at 73, with 57% women.
Dr. Krishnan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Krishnan's Medicare patients by sex, 2024
- Women5756%
- Men4444%
Chronic conditions among Dr. Krishnan's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- COPD65%
- Mood disorders62%
- Diabetes58%
- Depression56%
- Anxiety48%
Share of Medicare patients with each condition. A patient can have several.
Dr. Krishnan'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
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ambujam R. Krishnan wrote 1,811 Medicare Part D claims in 2024
In 2024, Dr. Krishnan wrote 1,811 Medicare Part D claims for 193 patients. 84% of them were for generic drugs. CMS names the drug for 1,127 of them, across 40 drugs with 11 or more claims each, at $19,408 in total drug cost. In 2023, CMS named 2,269 claims across 64 drugs.
Dr. Krishnan's Part D claims by kind of drug, 2024
- Generic1,522 claims84%
- Brand-name223 claims12%
- Other66 claims4%
Dr. Krishnan'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. Krishnan's Part D claims, 2024
- Opioids1%17 of 1,811 claims
- Antibiotics2%35 of 1,811 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: 2,2692024: 1,12750%
Drugs named by CMS: 40 in 2024, 64 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
Dr. Ambujam R. Krishnan offers telehealth to Medicare patients
Dr. Krishnan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Krishnan as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Ambujam R. Krishnan received $3,060 in industry payments from 2016 to 2024
CMS Open Payments shows 204 general payments to Dr. Krishnan from 37 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 99% of the total. Novo Nordisk Inc paid the most, $669.
General payments to Dr. Krishnan by program year, 2016 to 2024
General payments to Dr. Krishnan by kind, 2016 to 2024
- Food and beverage$3,01999%
- Education$411%
Companies that paid Dr. Krishnan the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ambujam R. Krishnan has 1 award and honors on record
Dmand AI lists 1 award for Dr. Krishnan, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Krishnan
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Ambujam R. Krishnan graduated from Gandhi Medical College
Dr. Krishnan graduated from Gandhi Medical College in 1974. Dr. Krishnan is a member of ASCO.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Ambujam R. Krishnan accepts plans from 11 insurance carriers
Dr. Krishnan is in network with 11 carriers, including Aetna, Priority Health and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Priority Health
- Blue Cross Blue Shield of Michigan
- Molina
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- Humana
- Regence Health Plans
- +3 more carriersWith a free account
Plan types Dr. Krishnan accepts, by number of carriers
- Medicare9
- HMO6
- PPO6
- POS5
- Medicaid2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Ambujam R. Krishnan'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| 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. Ambujam R. Krishnan
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. Ambujam R. Krishnan's NPI number?
Dr. Ambujam R. Krishnan's NPI number is 1548231749. It was assigned on January 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ambujam R. Krishnan?
Dr. Ambujam R. Krishnan is a hematologist and oncologist in Livonia, Michigan. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Ambujam R. Krishnan practice?
Dr. Krishnan practices at 15645 Farmington Rd, Livonia, MI 48154. Dr. Krishnan's primary practice is Comprehensive Healthcare Associates and Prevention Medicine in Livonia, Michigan. Dmand AI also links Dr. Krishnan to 5 home health agencies, 4 group practices and clinics and 3 medical groups.
What is Dr. Ambujam R. Krishnan's office phone number?
The practice phone on file for Dr. Krishnan is (734) 469-4664.
What is Dr. Ambujam R. Krishnan's medical license number?
Dr. Krishnan holds Michigan license AK043104.
Which hospitals is Dr. Ambujam R. Krishnan affiliated with?
Dr. Krishnan is affiliated with Trinity Health Livonia Hospital.
What medical group is Dr. Ambujam R. Krishnan part of?
Dr. Krishnan is linked to American Visiting Providers. Dmand AI links Dr. Krishnan to 3 more medical groups.
Does Dr. Ambujam R. Krishnan accept Medicare?
Yes. CMS data shows Dr. Krishnan billed Medicare for 171 services in 2024, and Dr. Krishnan accepts Medicare assignment.
Does Dr. Ambujam R. Krishnan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Krishnan as offering telehealth services.
How many Medicare patients does Dr. Ambujam R. Krishnan see?
CMS counts 101 Medicare patients who saw Dr. Krishnan in 2024, with an average age of 69.
Show 7 more questionsShow fewer questions
Is Dr. Ambujam R. Krishnan board certified?
Yes. Dr. Krishnan is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Ambujam R. Krishnan bill to Medicare?
In 2024, Dr. Krishnan's most billed Medicare services were medicare service (G0180) and medicare service (G0181).
Where did Dr. Ambujam R. Krishnan go to medical school?
Dr. Krishnan graduated from Gandhi Medical College in 1974.
What drugs does Dr. Ambujam R. Krishnan prescribe most?
In 2024 Medicare Part D data, Dr. Krishnan's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Diclofenac Sodium.
Has Dr. Ambujam R. Krishnan received payments from drug or device companies?
CMS Open Payments shows $3,060 in general payments to Dr. Krishnan from 37 companies from 2016 to 2024. The largest total came from Novo Nordisk Inc.
How long has Dr. Ambujam R. Krishnan been practicing?
Dr. Krishnan graduated from medical school in 1974, 52 years ago.
What insurance does Dr. Ambujam R. Krishnan accept?
Dr. Krishnan is in network with 11 carriers, including Aetna, Priority Health and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
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