Doctor profile · Federal record
Dr. Patrick Hemmer, M.D.
Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Springfield, IL
- NPI 1215908850
- Accepts Medicare
- 25 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
800 E Carpenter St
Springfield, IL 627690001
(217) 544-6464 - Mailing address
-
Po Box 10200
Peoria, IL 616120200
Credentials & registration
- NPI registered
- January 2006 — 20 yrs on file
- Profile last updated
- May 12, 2011
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207ZP0102X — NUCC code
- State license (1)
- Illinois #036114938
- Medicaid
- IL #036114938
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1215908850. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,416
Distinct HCPCS
10
Medicare allowed
$42,307
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 541 | 295 | $35 | |
88341 |
Special stained specimen slides to examine tissue, each additional procedure | 276 | 43 | $27 | |
88112 |
Cell examination of specimen, selective cellular enhancement technique | 97 | 92 | $26 | |
84165 |
Protein measurement, serum | 87 | 79 | $17 | |
88342 |
Special stained specimen slides to examine tissue, initial procedure | 76 | 64 | $33 | |
86334 |
Immunologic analysis technique on serum (immunofixation) | 57 | 52 | $17 | |
88307 |
Pathology examination of tissue using a microscope, moderately high complexity | 56 | 40 | $78 | |
88304 |
Pathology examination of tissue using a microscope, moderately low complexity | 52 | 45 | $11 | |
84166 |
Protein measurement, body fluid | 37 | 37 | $17 | |
88313 |
Special stained specimen slides to examine tissue including interpretation and report | 35 | 18 | $11 |
In context: peer comparison
Among 7 peers in Springfield Anatomic Pathology & Clinical Pathology Physician, average services per provider: 135. This provider delivers 10× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Patrick Hemmer's medical specialty?
Dr. Patrick Hemmer practices Anatomic Pathology & Clinical Pathology Physician in Springfield, IL.
Where does Dr. Patrick Hemmer practice?
Dr. Patrick Hemmer practices at 800 E Carpenter St, Springfield, IL 627690001. Office phone: 2175446464.
What is Dr. Patrick Hemmer's NPI?
Dr. Patrick Hemmer's National Provider Identifier (NPI) is 1215908850, issued by NPPES.
Does Dr. Patrick Hemmer accept Medicare assignment?
Yes. Dr. Patrick Hemmer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Patrick Hemmer commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Cell examination of specimen, selective cellular enhancement technique (HCPCS 88112). Source: CMS Medicare Physician & Other Practitioners file.