Doctor profile · Federal record
Dr. Jack Ackerman, DO
Internal Medicine Physician (CMS: Internal Medicine) · Hospitalist Physician · San Jose, CA
- NPI 1780794107
- Accepts Medicare
- 38 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
227 N Jackson Ave
San Jose, CA 951161603
(408) 347-2002
fax (408) 347-2189 - Mailing address
-
400 Race St
San Jose, CA 951263518
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- March 9, 2016
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #20A6210
- Medicaid
- CA #00AX62100
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1780794107. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,705
Distinct HCPCS
10
Medicare allowed
$229,981
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 799 | 492 | $153 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 213 | 213 | $156 | |
G0008 |
Administration of influenza virus vaccine | 102 | 102 | $37 | |
90662 |
Influenza vaccine split virus, preservative free | 101 | 101 | $72 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 97 | 90 | $110 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 95 | 76 | $213 | |
G0180 |
Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and | 61 | 35 | $65 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 42 | 42 | $276 | |
G0009 |
Administration of pneumococcal vaccine | 42 | 42 | $37 | |
0124A |
Adm sarscv2 bvl 30mcg/.3ml a | 29 | 29 | $49 |
In context: peer comparison
Among 94 peers in San Jose Internal Medicine Physician, average services per provider: 175. This provider delivers 9.7× the peer median.Open Payments
Industry payments received
All-time total
$63
Transactions
3
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Pfizer INC. | 2 | $34.88 | |
| GlaxoSmithKline, LLC. | 1 | $28.49 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,361
Patients
1,087
Total drug cost
$46,247
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 485 | 157 | $5,077 |
| Losartan Potassium | Generic | 422 | 128 | $5,544 |
| Amlodipine Besylate | Generic | 351 | 122 | $2,980 |
| Levothyroxine Sodium | Generic | 312 | 97 | $5,869 |
| Metoprolol Succinate | Generic | 204 | 63 | $3,964 |
| Lisinopril | Generic | 203 | 65 | $1,539 |
| Pantoprazole Sodium | Generic | 187 | 72 | $3,947 |
| Tamsulosin Hcl | Generic | 187 | 54 | $3,973 |
| Hydrochlorothiazide | Generic | 164 | 54 | $684 |
| Simvastatin | Generic | 159 | 57 | $1,451 |
Hospital affiliations
Frequently asked questions
What is Dr. Jack Ackerman's medical specialty?
Dr. Jack Ackerman practices Internal Medicine Physician in San Jose, CA.
Where does Dr. Jack Ackerman practice?
Dr. Jack Ackerman practices at 227 N Jackson Ave, San Jose, CA 951161603. Office phone: 4083472002.
What is Dr. Jack Ackerman's NPI?
Dr. Jack Ackerman's National Provider Identifier (NPI) is 1780794107, issued by NPPES.
Does Dr. Jack Ackerman accept Medicare assignment?
Yes. Dr. Jack Ackerman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jack Ackerman commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.