Active NPI 1215908850 Individual Practitioner Male Practitioner

Dr. Patrick R Hemmer , MD

Pathology - Anatomic Pathology & Clinical Pathology • Springfield, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Patrick Hemmer, MD is a certified Pathology - Anatomic Pathology & Clinical Pathology practicing in Springfield, IL. With approximately 25 years of clinical experience since graduating from Sanford School Of Medicine Of University Of South Dakota in 2001, Dr. Hemmer delivers high-quality medical care to the local community at 800 E CARPENTER ST.

Dr. Hemmer is affiliated with Associated Pathologists Ltd and accepts Medicare assignment.

Frequently performed procedures and clinical services include pathology examination of tissue using a microscope, intermediate complexity, special stained specimen slides to examine tissue, protein measurement, serum. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

800 E Carpenter St

Springfield, IL 627690001

Telephone 2175446464

Associated Practice Facility / Clinic

🏢 Central Illinois Emergency Physicians, Llp Facility NPI 1740205699

Medicare Profile & Education

Medical School

Sanford School Of Medicine Of University Of South Dakota

Graduation Year

2001

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Pathology - Anatomic Pathology & Clinical Pathology in Springfield, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

25 Yrs -1.5 yrs vs City Avg

City Avg: 26.5 Yrs

State Avg: 28.1 Yrs

Regional Practice Density

24 Specialists

Practicing in Springfield, IL (831 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

89.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Hemmer (25 Years) 25 Yrs

Springfield Specialty Average (26.5 Years) 26.5 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	823	408	$272.10	$34.74
88341 Special stained specimen slides to examine tissue	466	64	$289.28	$26.17
84165 Protein measurement, serum	190	171	$48.70	$16.89
86334 Immunologic analysis technique on serum (immunofixation)	162	149	$48.70	$16.90
88112 Cell examination of specimen, selective cellular enhancement technique	152	134	$300.20	$25.79
88342 Special stained specimen slides to examine tissue, initial procedure	107	89	$298.90	$32.59
88307 Pathology examination of tissue using a microscope, moderately high complexity	87	59	$517.89	$76.56
84166 Protein measurement, body fluid	82	77	$48.70	$16.87
88304 Pathology examination of tissue using a microscope, moderately low complexity	58	44	$161.70	$10.78
86335 Immunologic analysis technique on body fluid, other fluids with concentration	54	49	$48.70	$16.88
88311 Preparation of tissue for examination by removing any calcium present	47	42	$80.90	$11.42
88173 Evaluation of fine needle aspirate with interpretation and report	45	25	$376.10	$65.22
88313 Special stained specimen slides to examine tissue including interpretation and report	35	22	$87.23	$11.39
88312 Special stained specimen slides to identify organisms including interpretation and report	31	18	$120.70	$24.93
88344 Special stained specimen slides to examine tissue	28	11	$328.60	$35.68
88363 Examination of archival tissue for genetic analysis	23	22	$134.40	$18.27
85060 Blood smear interpretation by physician with written report	22	20	$126.80	$22.79
89060 Crystal identification from tissue or body fluid	19	12	$52.80	$16.91
88309 Pathology examination of tissue using a microscope, high complexity	15	12	$743.00	$134.16
G0416 Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method	12	12	$3264.60	$165.63

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	541	295	$271.71	$35.03
88341 Special stained specimen slides to examine tissue	276	43	$298.90	$26.72
88112 Cell examination of specimen, selective cellular enhancement technique	97	92	$300.20	$26.14
84165 Protein measurement, serum	87	79	$48.70	$17.09
88342 Special stained specimen slides to examine tissue, initial procedure	76	64	$298.90	$32.91
86334 Immunologic analysis technique on serum (immunofixation)	57	52	$48.70	$17.08
88307 Pathology examination of tissue using a microscope, moderately high complexity	56	40	$512.00	$77.91
88304 Pathology examination of tissue using a microscope, moderately low complexity	52	45	$161.70	$10.83
84166 Protein measurement, body fluid	37	37	$48.70	$17.09
88313 Special stained specimen slides to examine tissue including interpretation and report	35	18	$89.80	$11.48
88311 Preparation of tissue for examination by removing any calcium present	31	28	$80.90	$11.79
86335 Immunologic analysis technique on body fluid, other fluids with concentration	20	20	$48.70	$17.08
85060 Blood smear interpretation by physician with written report	18	17	$126.80	$23.42
88331 Pathology examination of specimen during surgery, first tissue block	17	13	$279.70	$58.50
88312 Special stained specimen slides to identify organisms including interpretation and report	16	11	$120.70	$25.13

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	536	240	$258.41	$35.65
88341 Special stained specimen slides to examine tissue	120	18	$283.60	$27.19
84165 Protein measurement, serum	99	96	$46.20	$17.84
86334 Immunologic analysis technique on serum (immunofixation)	69	66	$46.24	$18.03
88342 Special stained specimen slides to examine tissue, initial procedure	40	35	$283.60	$33.55
88112 Cell examination of specimen, selective cellular enhancement technique	39	38	$284.80	$26.88
88307 Pathology examination of tissue using a microscope, moderately high complexity	38	25	$485.80	$79.76
84166 Protein measurement, body fluid	37	37	$46.20	$18.00
88304 Pathology examination of tissue using a microscope, moderately low complexity	31	30	$153.40	$11.09
88311 Preparation of tissue for examination by removing any calcium present	27	25	$76.80	$12.12
86335 Immunologic analysis technique on body fluid, other fluids with concentration	26	26	$46.20	$17.99
85060 Blood smear interpretation by physician with written report	17	17	$120.30	$23.93
88331 Pathology examination of specimen during surgery, first tissue block	17	13	$265.40	$59.57
88173 Evaluation of fine needle aspirate with interpretation and report	13	12	$356.80	$68.27

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	612	325	$248.82	$36.45
88341 Special stained specimen slides to examine tissue	237	36	$273.20	$27.46
84165 Protein measurement, serum	137	126	$44.60	$18.08
86334 Immunologic analysis technique on serum (immunofixation)	93	86	$44.61	$17.93
88342 Special stained specimen slides to examine tissue, initial procedure	81	73	$273.33	$33.96
88307 Pathology examination of tissue using a microscope, moderately high complexity	77	53	$468.46	$79.20
88112 Cell examination of specimen, selective cellular enhancement technique	74	67	$274.40	$27.00
88304 Pathology examination of tissue using a microscope, moderately low complexity	52	49	$147.80	$11.07
84166 Protein measurement, body fluid	50	48	$44.53	$17.58
88313 Special stained specimen slides to examine tissue including interpretation and report	48	23	$82.10	$9.73
88311 Preparation of tissue for examination by removing any calcium present	39	38	$74.00	$11.13
88312 Special stained specimen slides to identify organisms including interpretation and report	34	21	$110.30	$25.49
85060 Blood smear interpretation by physician with written report	32	32	$115.90	$23.67
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers	25	25	$855.29	$83.80
86335 Immunologic analysis technique on body fluid, other fluids with concentration	21	20	$44.82	$18.26
88173 Evaluation of fine needle aspirate with interpretation and report	18	15	$343.70	$69.56
89060 Crystal identification from tissue or body fluid	12	12	$48.30	$18.27
85097 Bone marrow, smear interpretation	12	11	$262.60	$44.21

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	533	304	$244.70	$38.59
88341 Special stained specimen slides to examine tissue	310	43	$268.82	$29.00
88342 Special stained specimen slides to examine tissue, initial procedure	91	79	$268.60	$36.05
84165 Protein measurement, serum	83	77	$44.02	$18.79
88307 Pathology examination of tissue using a microscope, moderately high complexity	82	56	$461.00	$84.78
88112 Cell examination of specimen, selective cellular enhancement technique	76	66	$269.77	$28.41
86334 Immunologic analysis technique on serum (immunofixation)	52	47	$44.01	$18.96
85060 Blood smear interpretation by physician with written report	50	46	$113.79	$24.81
88304 Pathology examination of tissue using a microscope, moderately low complexity	45	44	$145.44	$11.75
88313 Special stained specimen slides to examine tissue including interpretation and report	44	21	$80.77	$12.42
88311 Preparation of tissue for examination by removing any calcium present	37	33	$72.68	$12.77
88331 Pathology examination of specimen during surgery, first tissue block	30	16	$252.82	$63.98
84166 Protein measurement, body fluid	29	28	$43.98	$18.92
88312 Special stained specimen slides to identify organisms including interpretation and report	22	16	$108.20	$27.24
88173 Evaluation of fine needle aspirate with interpretation and report	17	14	$337.30	$72.59
88309 Pathology examination of tissue using a microscope, high complexity	12	12	$669.58	$148.77
86335 Immunologic analysis technique on body fluid, other fluids with concentration	12	12	$44.10	$18.97
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers	12	11	$836.83	$80.23
G0416 Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method	12	12	$2928.30	$182.06
89060 Crystal identification from tissue or body fluid	11	11	$47.56	$19.00

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	630	339	$241.32	$38.12
88341 Special stained specimen slides to examine tissue	279	46	$265.19	$28.79
84165 Protein measurement, serum	135	120	$43.23	$17.91
88112 Cell examination of specimen, selective cellular enhancement technique	102	93	$266.23	$27.96
86334 Immunologic analysis technique on serum (immunofixation)	92	82	$43.23	$17.80
88342 Special stained specimen slides to examine tissue, initial procedure	80	71	$265.02	$35.49
88304 Pathology examination of tissue using a microscope, moderately low complexity	78	70	$143.32	$11.50
88307 Pathology examination of tissue using a microscope, moderately high complexity	65	42	$453.90	$83.61
84166 Protein measurement, body fluid	59	55	$43.22	$18.13
85060 Blood smear interpretation by physician with written report	55	52	$112.19	$24.33
88311 Preparation of tissue for examination by removing any calcium present	48	45	$71.74	$12.54
88313 Special stained specimen slides to examine tissue including interpretation and report	43	18	$79.62	$12.21
86335 Immunologic analysis technique on body fluid, other fluids with concentration	27	24	$43.20	$18.13
88331 Pathology examination of specimen during surgery, first tissue block	24	15	$247.90	$63.30
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers	22	20	$864.48	$85.63
88312 Special stained specimen slides to identify organisms including interpretation and report	21	14	$106.90	$26.77
88300 Pathology examination of tissue using a microscope, limited examination	16	16	$65.80	$4.57
88363 Examination of archival tissue for genetic analysis	15	15	$119.10	$19.87
85097 Bone marrow, smear interpretation	15	13	$254.37	$49.53
88173 Evaluation of fine needle aspirate with interpretation and report	14	13	$333.59	$71.17

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	566	323	$240.04	$38.38
88341 Special stained specimen slides to examine tissue	302	43	$264.00	$28.73
88342 Special stained specimen slides to examine tissue, initial procedure	80	73	$267.32	$36.06
84165 Protein measurement, serum	79	73	$43.02	$18.12
88307 Pathology examination of tissue using a microscope, moderately high complexity	69	48	$452.03	$84.35
86334 Immunologic analysis technique on serum (immunofixation)	59	56	$43.01	$18.11
88112 Cell examination of specimen, selective cellular enhancement technique	58	52	$265.06	$28.17
88313 Special stained specimen slides to examine tissue including interpretation and report	53	28	$79.02	$12.18
88108 Cell examination of specimen, concentration technique	52	43	$105.00	$22.85
85060 Blood smear interpretation by physician with written report	46	46	$111.80	$24.61
88304 Pathology examination of tissue using a microscope, moderately low complexity	45	40	$143.01	$11.79
88311 Preparation of tissue for examination by removing any calcium present	44	41	$71.03	$12.82
88312 Special stained specimen slides to identify organisms including interpretation and report	33	21	$106.03	$27.04
88331 Pathology examination of specimen during surgery, first tissue block	26	22	$247.00	$64.69
84166 Protein measurement, body fluid	19	19	$43.02	$18.10
88309 Pathology examination of tissue using a microscope, high complexity	17	13	$655.00	$149.72
89060 Crystal identification from tissue or body fluid	16	16	$47.00	$18.14
85097 Bone marrow, smear interpretation	14	14	$253.30	$49.72
88363 Examination of archival tissue for genetic analysis	13	12	$119.00	$20.15
88173 Evaluation of fine needle aspirate with interpretation and report	12	11	$332.11	$72.01
88300 Pathology examination of tissue using a microscope, limited examination	12	12	$66.00	$4.57
86335 Immunologic analysis technique on body fluid, other fluids with concentration	11	11	$43.04	$18.10

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	616	329	$240.00	$38.32
88341 Special stained specimen slides to examine tissue	258	45	$264.00	$28.62
88307 Pathology examination of tissue using a microscope, moderately high complexity	93	50	$452.00	$84.36
88342 Special stained specimen slides to examine tissue, initial procedure	82	73	$264.00	$35.94
84165 Protein measurement, serum	59	58	$43.00	$18.05
88311 Preparation of tissue for examination by removing any calcium present	59	55	$71.00	$12.78
88313 Special stained specimen slides to examine tissue including interpretation and report	53	24	$79.00	$12.16
88304 Pathology examination of tissue using a microscope, moderately low complexity	50	49	$143.00	$11.57
88331 Pathology examination of specimen during surgery, first tissue block	44	27	$247.00	$63.39
88112 Cell examination of specimen, selective cellular enhancement technique	37	33	$265.00	$28.01
86334 Immunologic analysis technique on serum (immunofixation)	30	29	$43.00	$18.03
85060 Blood smear interpretation by physician with written report	29	27	$111.80	$24.51
88332 Pathology examination of specimen during surgery, each additional tissue block	24	14	$157.00	$31.27
84166 Protein measurement, body fluid	24	24	$43.00	$18.05
88312 Special stained specimen slides to identify organisms including interpretation and report	23	13	$106.00	$27.25
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers	22	21	$822.00	$89.34
88300 Pathology examination of tissue using a microscope, limited examination	20	20	$66.00	$4.55
86077 Blood bank physician services for cross match and/or evaluation and written report	20	19	$224.00	$51.51
88309 Pathology examination of tissue using a microscope, high complexity	16	16	$655.00	$149.05
88106 Cell examination of body fluid	16	16	$146.00	$19.63
88108 Cell examination of specimen, concentration technique	15	13	$105.00	$22.75
89060 Crystal identification from tissue or body fluid	14	11	$47.00	$18.04

Medical Specialties & State Licenses

Pathology - Anatomic Pathology & Clinical Pathology Primary Specialty

NUCC Taxonomy Code: 207ZP0102X

State License IL 036114938

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

036114938 (IL)

Commercial Insurance / Payer ID Health Alliance

011112 (IL)

Commercial Insurance / Payer ID Black Lung

020102500 (IL)

Commercial Insurance / Payer ID Healthlink

684895 (IL)

Commercial Insurance / Payer ID Railroad Medicare Pin

P00327016 (IL)

Commercial Insurance / Payer ID Personal Care Id

32017 (IL)

Commercial Insurance / Payer ID Clia

14D0435736 (IL)

Hospital & Practice Group Affiliations

Associated Pathologists Ltd

9515 Holy Cross Ln, Breese, IL 622303618

Phone: 6186542025

Associated Pathologists Ltd

1800 E Lake Shore Dr, Decatur, IL 625213810

Phone: 2174642966

Associated Pathologists Ltd

800 E Carpenter St, Springfield, IL 627690002

Phone: 217544646448225

Associated Pathologists Ltd

12866 Troxler Ave, Highland, IL 622492806

Phone: 6186512600

Associated Pathologists Ltd

503 N Maple St, Effingham, IL 624012006

Phone: 2173471234

Associated Pathologists Ltd

1215 Franciscan Dr, Litchfield, IL 620561778

Phone: 2173242191

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners

Kelsey Gee , OTR, L

Occupational Therapist

NPI 1013341635

Occupational Therapist Registered, L

Amy Weinhoeft , OTR

Occupational Therapist

NPI 1013357201

Occupational Therapist Registered

Stephanie Weitekamp

Nurse Anesthetist, Certified Registered

NPI 1013691708

Dr. Terence Wade , MD

Radiology - Diagnostic Radiology

NPI 1023290681

Doctor of Medicine (M.D.)

Susan Brinkoetter , CCC-SLP

Speech-Language Pathologist

NPI 1023292125

Speech-Language Pathologist (Certificate of Clinical Competence)

Dr. Deepak Agarwal , MD

Anesthesiology

NPI 1023461506

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events

✅

NPI Profile Active May 12, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location May 12, 2011

Registered at 800 E CARPENTER ST, SPRINGFIELD, IL 627690001 (Tel: 2175446464)

📍

Updated Business Mailing Address May 12, 2011

Registered at PO BOX 10200, PEORIA, IL 616120200

👤

Provider Name / Credentials Updated May 12, 2011

Recorded as PATRICK HEMMER, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 12, 2011

Pathology (License #036114938 in IL)

🟢

Initial NPI Registration & Enumeration January 31, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1215908850

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: January 31, 2006

Last Update: May 12, 2011

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 10200

Peoria, IL 616120200

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.