Allison J Zemek, MD
Pathology · Anaheim
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- Not verified
- Not the same as out of network.
- Offices
- 3
Offices
3 locations · Southern California Permanente Medical Group · 11,250 clinicians in this group
Plan participation
Not verified
We could not verify current plan participation for this doctor. This does not mean they are out of network. Call Dr. Zemek’s office to ask if they take your plan before you enroll.
California Medical Board record
Licence A131698 · Current
Licensed to practise in California · since 2014 · expires 2028-02-29 · Stanford University School of Medicine.
Matched on the licence number without its letter prefix; check the name before relying on it.
No disciplinary actions, convictions, malpractice judgments or citations in this record.
Original Medicare doctor bills
$2,035
Medicare paid this office $2,035 for 23 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Pathology examination of tissue using a microscope, intermediate complexity | 14 | $611 | $27 |
Who their Medicare patients are
23 Original Medicare patients in 2024. Average age 68 · Also on Medicaid 52% · Health risk score 2.03. Above the middle of the specialty; the typical pathology clinician is at 1.55.
The office billed $15,267, Medicare allowed $2,757 and paid $2,035; for 54 services of 9 kinds.
Original Medicare patients only. A risk score of 1.0 is the average Medicare patient; higher means sicker. Any count under 11 is hidden.
Year by year
| 2024 | 23 | 54 | 68 | 2.03 | $15,267 | $2,035 |
| 2023 | 12 | 49 | 67 | 1.08 | $12,998 | $1,903 |
| 2022 | 26 | 81 | 67 | 2.12 | $16,464 | $2,400 |
| 2021 | 23 | 35 | 69 | 2.35 | $7,161 | $1,168 |
| 2020 | 37 | 87 | 65 | 2.61 | $11,307 | $2,740 |
| 2019 | 25 | 58 | 62 | 3.72 | $7,993 | $2,025 |
Original Medicare only. A service billed for fewer than 11 people in a year is hidden, so the lines can add up to less than the year's total.
See the services billed each year
2022: 1 service
| Pathology examination of tissue using a microscope, intermediate complexity | 20 | $1,626 | $30 |
2021: 1 service
| Pathology examination of tissue using a microscope, intermediate complexity | 15 | $588 | $31 |
2020: 1 service
| Pathology examination of tissue using a microscope, intermediate complexity | 25 | $1,594 | $32 |
2019: 1 service
| Pathology examination of tissue using a microscope, intermediate complexity | 19 | $738 | $32 |
Medicaid work
$35,567 in 2024
Medicaid paid $35,567 for 880 billed services this clinician did in 2024, up to 52 people in a month for one service.
Medicaid and CHIP claims where this clinician did the service, fee-for-service and managed care together. Any month with fewer than 11 patients is hidden, so small Medicaid practices undercount.
| TISSUE EXAM BY PATHOLOGIST | 860 | $35,507 |
| TISSUE EXAM BY PATHOLOGIST | 20 | $60 |
| 2024 | 880 | 2 | 52 | $35,567 |
| 2023 | 332 | 2 | 53 | $9,577 |
| 2022 | 461 | 2 | 40 | $11,361 |
| 2021 | 612 | 2 | 38 | $15,193 |
| 2020 | 608 | 3 | 46 | $15,922 |
| 2019 | 509 | 2 | 36 | $907 |
| 2018 | 218 | 1 | 34 | $143 |
See the largest Medicaid services in earlier years
2023
| TISSUE EXAM BY PATHOLOGIST | 319 | $9,557 |
| TISSUE EXAM BY PATHOLOGIST | 13 | $20 |
2022
| TISSUE EXAM BY PATHOLOGIST | 392 | $10,940 |
| TISSUE EXAM BY PATHOLOGIST | 69 | $421 |
2021
| TISSUE EXAM BY PATHOLOGIST | 567 | $14,983 |
| TISSUE EXAM BY PATHOLOGIST | 45 | $210 |
2020
| TISSUE EXAM BY PATHOLOGIST | 544 | $15,514 |
| Immunohistochemistry or immunocytochemistry, per specimen; initial single antibody stain procedure | 15 | $300 |
| TISSUE EXAM BY PATHOLOGIST | 49 | $107 |
2019
| TISSUE EXAM BY PATHOLOGIST | 491 | $907 |
| TISSUE EXAM BY PATHOLOGIST | 18 | $0 |
2018
| TISSUE EXAM BY PATHOLOGIST | 218 | $143 |
Professional record
- NPI
- 1255775698
- Licence
- CA 131698California A131698: Current · expires 2028-02-29
- Trained
- Stanford University School of Medicine, 2013
- Gender
- Female
More record details
- Sole proprietor
- Yes
- Taxonomy
- Federal specialty code 207ZP0102X (207ZP0102X); Student in a training program (390200000X)
- Mailing address
- 9333 Imperial Hwy, Downey, CA, 90242
- NPI first listed
- 2013-04-27
- NPI last updated
- 2021-11-02
- NPI record certified
- 2021-11-02
This is when the NPI record was last certified, not a medical board exam.
Extra NPI addresses: 300 Pasteur Dr, Stanford, CA, 94305
This office lists an electronic records connection.