Dr. Jack Lee Ackerman, DO
- Medicare services, 2024
- 1,967
- Medicare patients, 2024
- 706
- Part D claims, 2024
- 5,880
- Hospital affiliations
- 4
- Industry payments
- $2,274
- Practice address
- 2410 Samaritan Dr, San Jose, CA 95124
- Practice phone
- Call (615) 345-6879
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Endoscopy Center of Silicon Valley LLC
San Jose, California
Find Dr. Ackerman'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. Jack Lee Ackerman is an internist in San Jose, California
Dr. Ackerman practices at Endoscopy Center of Silicon Valley LLC in San Jose, California.
Dr. Ackerman's NPI, 1780794107, was assigned on August 30, 2006. Dr. Ackerman graduated from Kirksville College of Osteopathic Medicine in 1988. Dr. Ackerman holds California license 20A6210.
- NPI
- 1780794107NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3870529555
- NPI enumeration date
- August 30, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (615) 345-6879
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jack Lee Ackerman practices at Endoscopy Center of Silicon Valley LLC in San Jose, California
Dr. Ackerman's primary practice is Endoscopy Center of Silicon Valley LLC, at 2410 Samaritan Dr, San Jose, CA 95124 in Santa Clara County. The practice phone is (615) 345-6879.
- Endoscopy Center of Silicon Valley LLC2410 Samaritan Dr, San Jose, CA 95124 · Santa Clara CountyPhone(615) 345-6879
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Jack Lee Ackerman is affiliated with 11 sites of care and 2 medical groups
Dr. Ackerman's primary practice is Endoscopy Center of Silicon Valley LLC in San Jose, California. Dr. Ackerman is also affiliated with Santa Clara Valley Medical Center. The medical group on file is Stanford Medicine Partners. Dmand AI also links Dr. Ackerman to 3 more hospitals, 5 home health agencies, 1 group practice or clinic and 1 medical group, 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. Jack Lee Ackerman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ackerman practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Endoscopy Center of Silicon Valley LLC | Available with a free account |
| +10 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jack Lee Ackerman is one of 16,751 internists in California
Internal medicine is Dr. Ackerman's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ackerman is board certified in internal medicine by the American Board of Internal Medicine. Dr. Ackerman is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acid reflux, acute gastroduodenitis, acute kidney failure, acute sinusitis, acute skin infection, adjustment disease, alzheimer's disease and aneurysm among the conditions Dr. Ackerman treats.
Internists near Dr. Ackerman
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. Jack Lee Ackerman billed Medicare for 1,967 services in 2024
CMS data shows 1,967 Medicare services from Dr. Ackerman across 21 procedure codes in 2024, for 706 Medicare patients. Medicare paid $198,672 for them. Every service was in an office.
Dr. Ackerman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,0242024: 1,0906%
- Other services
- 2023: 4582024: 50510%
- Tests and treatments
- 2023: 2102024: 30344%
- Lab and pathology
- 2023: 132024: 47262%
- Surgery
- 2023: 02024: 22
Dr. Ackerman compared with the California median for internists, 2024
- Dr. Ackerman
- California median
- Medicare services
- 1,967vs 3615.4 times
- Medicare patients
- 706vs 1514.7 times
- Part D claims
- 5,105vs 42112.1 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Ackerman'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. Ackerman?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ackerman and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jack Lee Ackerman treated 706 Medicare patients in 2024, average age 77
CMS counts 706 Medicare patients who saw Dr. Ackerman in 2024. The largest group is 75 to 84, with 290 patients. 75% of them have high cholesterol, and 69% have high blood pressure. 3% are also on Medicaid. Their average risk score is 1.06, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ackerman's median patient age at 69, with 37% women.
Dr. Ackerman's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ackerman's Medicare patients by sex, 2024
- Women28340%
- Men42360%
Chronic conditions among Dr. Ackerman's Medicare patients, 2024
- High cholesterol75%
- High blood pressure69%
- Arthritis38%
- Ischemic heart disease26%
- Diabetes23%
- Cancer20%
- Atrial fibrillation19%
- Chronic kidney disease19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ackerman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women37%
- Men62%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jack Lee Ackerman wrote 5,880 Medicare Part D claims in 2024
In 2024, Dr. Ackerman wrote 5,880 Medicare Part D claims for 794 patients. 90% of them were for generic drugs. CMS names the drug for 5,105 of them, across 111 drugs with 11 or more claims each, at $292,903 in total drug cost. In 2023, CMS named 7,095 claims across 136 drugs.
Dr. Ackerman's Part D claims by kind of drug, 2024
- Generic5,307 claims90%
- Brand-name545 claims9%
- Other28 claims0%
Dr. Ackerman'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. Ackerman's Part D claims, 2024
- Opioids3%183 of 5,880 claims
- Antibiotics4%228 of 5,880 claims
- Antipsychotics, patients 65 and over0%12 of 5,880 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: 7,0952024: 5,10528%
Drugs named by CMS: 111 in 2024, 136 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. Jack Lee Ackerman offers telehealth to Medicare patients
Dr. Ackerman accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ackerman as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Jack Lee Ackerman received $2,274 in industry payments from 2016 to 2024
CMS Open Payments shows 118 general payments to Dr. Ackerman from 28 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 92% of the total. GlaxoSmithKline, LLC. paid the most, $373.
General payments to Dr. Ackerman by program year, 2016 to 2024
General payments to Dr. Ackerman by kind, 2016 to 2024
- Food and beverage$2,10292%
- Education$1728%
Companies that paid Dr. Ackerman 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. Jack Lee Ackerman graduated from Kirksville College of Osteopathic Medicine
Dr. Ackerman graduated from Kirksville College of Osteopathic Medicine in 1988.
- Medical school
- Board certified in internal medicine
- Board certified in 1991 - 2026
- Board certified in 1989 - 1992
Source: Dmand AI Professional Profile Data
Dr. Jack Lee Ackerman accepts plans from 3 insurance carriers
Dr. Ackerman is in network with 3 carriers, including Aetna, Blue Cross Blue Shield of Michigan and CMS Medicare. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- CMS Medicare
Plan types Dr. Ackerman accepts, by number of carriers
- HMO2
- Medicare2
- POS2
- PPO2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Jack Lee Ackerman'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) |
| 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. Jack Lee Ackerman
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. Jack Lee Ackerman's NPI number?
Dr. Jack Lee Ackerman's NPI number is 1780794107. It was assigned on August 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Jack Lee Ackerman?
Dr. Jack Lee Ackerman is an internist in San Jose, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jack Lee Ackerman practice?
Dr. Ackerman practices at 2410 Samaritan Dr, San Jose, CA 95124. Dr. Ackerman's primary practice is Endoscopy Center of Silicon Valley LLC in San Jose, California. Dmand AI also links Dr. Ackerman to 3 hospitals, 5 home health agencies, 1 group practice or clinic and 1 medical group.
What is Dr. Jack Lee Ackerman's office phone number?
The practice phone on file for Dr. Ackerman is (615) 345-6879.
What is Dr. Jack Lee Ackerman's medical license number?
Dr. Ackerman holds California license 20A6210.
Which hospitals is Dr. Jack Lee Ackerman affiliated with?
Dr. Ackerman is affiliated with Santa Clara Valley Medical Center. Dmand AI links Dr. Ackerman to 3 more hospitals.
What medical group is Dr. Jack Lee Ackerman part of?
Dr. Ackerman is linked to Stanford Medicine Partners. Dmand AI links Dr. Ackerman to 1 more medical group.
Does Dr. Jack Lee Ackerman accept Medicare?
Yes. CMS data shows Dr. Ackerman billed Medicare for 1,967 services in 2024, and Dr. Ackerman accepts Medicare assignment.
Does Dr. Jack Lee Ackerman offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ackerman as offering telehealth services.
How many Medicare patients does Dr. Jack Lee Ackerman see?
CMS counts 706 Medicare patients who saw Dr. Ackerman in 2024, with an average age of 77.
Show 7 more questionsShow fewer questions
Is Dr. Jack Lee Ackerman board certified?
Yes. Dr. Ackerman is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Jack Lee Ackerman bill to Medicare?
In 2024, Dr. Ackerman's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99213).
Where did Dr. Jack Lee Ackerman go to medical school?
Dr. Ackerman graduated from Kirksville College of Osteopathic Medicine in 1988.
What drugs does Dr. Jack Lee Ackerman prescribe most?
In 2024 Medicare Part D data, Dr. Ackerman's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Amlodipine Besylate.
Has Dr. Jack Lee Ackerman received payments from drug or device companies?
CMS Open Payments shows $2,274 in general payments to Dr. Ackerman from 28 companies from 2016 to 2024. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Jack Lee Ackerman been practicing?
Dr. Ackerman graduated from medical school in 1988, 38 years ago.
What insurance does Dr. Jack Lee Ackerman accept?
Dr. Ackerman is in network with 3 carriers, including Aetna, Blue Cross Blue Shield of Michigan and CMS Medicare. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
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