GEOFFREY KENNETH HAHM M.D.
NPI 1871543942
Pathology - Anatomic Pathology & Clinical Pathology in Kettering, OH

Q: What is Geoffrey Hahm's NPI number?

The NPI number for Geoffrey Hahm is 1871543942. It was assigned to this individual provider in the NPPES registry on May 11, 2006.

Q: What is Geoffrey Hahm's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Q: When was this NPI record last updated?

The NPPES record for Geoffrey Hahm was last updated on February 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 11, 2006PECOS EnrolledAccepts Medicare Assignment

96.14/100

CMS Quality Rating

3535 SOUTHERN BLVD., KETTERING, OH 45429(937) 395-8849(937) 395-8350 Get Directions Write a Review

NPPES record last updated: February 9, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Geoffrey Kenneth Hahm M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GEOFFREY KENNETH HAHM M.D. (NPI 1871543942) is an individual anatomic pathology & clinical pathology provider in Kettering, Ohio, licensed in Ohio (35073158) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Kettering Health Main Campus, and maintains a secondary practice location in Dayton.

NPPES Registry Identity

NPI1871543942

Entity TypeIndividualMale

Primary Taxonomy207ZP0102X

Provider Legal NameGEOFFREY KENNETH HAHMCredential: M.D.

Location Address3535 SOUTHERN BLVD.Kettering, OH 45429

Mailing Address3535 Southern BlvdKettering, OH 45429-1221 · (937) 395-8849 · Fax (937) 395-8350

Phone(937) 395-8849

Fax(937) 395-8350

Sole ProprietorNo

Medical School CMSOhio State University College Of MedicineGraduated 1996

Enumeration DateMay 11, 2006

Last NPPES UpdateFebruary 9, 2026

NPPES CertifiedFebruary 9, 2026

✔ NPI 1871543942 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0102X

License✔ Licensed in OH · 35073158

Definition

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.

3535 SOUTHERN BLVD., Kettering, OH 45429

Open in Google Maps ↗

Secondary Practice Location 1

Location 175 Sylvania DrDayton, OH 45440-3237 · Phone (937) 320-5050

Other Identifiers 1

Medicaid2500645OH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource, Molina Healthcare, Oscar Health Insurance.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Geoffrey Kenneth Hahm M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9830185958

PECOS Enrollment IDI20040423000512

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 26

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

1,155 services612 patients

Pathology examination of tissue using a microscope, intermediate complexity 88305

768 services510 patients

Special stained specimen slides to examine tissue, each additional procedure 88341

Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.

388 services89 patients

Special stained specimen slides to examine tissue, initial procedure 88342

This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.

243 services203 patients

Special stained specimen slides to examine tissue, initial procedure 88342

217 services184 patients

Protein measurement, serum 84165

A serum protein measurement is a blood test that determines the levels of proteins in your blood. It is used to evaluate your overall health, and diagnose nutritional problems, kidney disease, liver disease, or immune disorders.

189 services173 patients

Immunologic analysis technique on serum (immunofixation) 86334

Immunofixation is a lab test that helps identify proteins called immunoglobulins in your blood serum. These proteins are part of your immune system. Changes in their levels can indicate certain diseases. The test is simple and only requires a blood sample.

182 services163 patients

Preparation of tissue for examination by removing any calcium present 88311

This procedure involves treating tissue samples to remove any calcium, which can interfere with the examination. The tissue is soaked in a special solution that safely dissolves the calcium, leaving the tissue intact for accurate analysis. This helps in making precise diagnoses.

168 services163 patients

Pathology examination of tissue using a microscope, moderately high complexity 88307

A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.

155 services88 patients

Cell examination of specimen, selective cellular enhancement technique 88112

Cell examination of a specimen using selective cellular enhancement technique is a lab process that improves the visibility of certain cells in a sample. It helps in identifying abnormalities or diseases. The process is non-invasive, safe, and aids in accurate diagnosis.

124 services114 patients

Microscopic genetic analysis of tumor, manual 88360

Microscopic genetic analysis of a tumor involves examining your tumor's genes under a microscope. This helps identify specific genetic changes in the tumor cells. This information can aid in diagnosing, predicting disease progression, and determining the most effective treatment options.

119 services47 patients

Pathology examination of tissue using a microscope, moderately low complexity 88304

A pathology examination of tissue, moderately low complexity, involves studying a small sample of your body tissue under a microscope. It helps to identify any abnormal cells or diseases. It's a routine procedure, not complex, and provides crucial insights for your diagnosis.

96 services88 patients

Special stained specimen slides to examine tissue, each additional procedure 88341

83 services22 patients

Pathology examination of specimen during surgery, first tissue block 88331

A pathology examination during surgery involves the immediate analysis of a removed tissue sample. This helps the surgeon make decisions during your operation. The "first tissue block" refers to the initial sample examined. It's a vital step to ensure your health.

52 services30 patients

Blood smear interpretation by physician with written report 85060

Blood smear interpretation is a lab test where your doctor examines a sample of your blood under a microscope. They look for abnormalities in your blood cells which can help diagnose various conditions. You'll receive a written report of the findings.

49 services46 patients

Cell examination of specimen, concentration technique 88108

Cell examination of a specimen using a concentration technique is a lab process that enhances the detection of cells in a sample. This method helps to focus on key areas of the sample, making it easier to spot abnormalities or changes. It's a crucial part of diagnosing and monitoring certain health conditions.

42 services39 patients

Examination of archival tissue for genetic analysis 88363

Examination of archival tissue for genetic analysis involves studying previously collected tissue samples. This process helps detect any genetic alterations that may be linked to certain diseases. It's a crucial step in understanding your health and planning appropriate treatments.

39 services36 patients

Protein measurement, body fluid 84166

A protein measurement of body fluid is a test that gauges the amount of proteins in your fluids. This analysis helps in detecting various health conditions. It's done via a simple sample collection process, usually from blood or urine, in a safe and painless manner.

36 services36 patients

Immunologic analysis technique on body fluid, other fluids with concentration 86335

Immunologic analysis is a diagnostic method that assesses your body fluids to detect health issues. It involves concentrating these fluids to enhance detection of specific proteins or cells. It helps identify immune system responses, aiding in accurate diagnosis and treatment.

36 services36 patients

Evaluation of fine needle aspirate with interpretation and report 88173

This procedure involves using a thin needle to collect a small sample from an abnormal area or lump. The sample is then examined under a microscope to identify any potential issues. A report of the findings is provided for further analysis.

33 services23 patients

Pathology examination of specimen during surgery 88329

A pathology examination during surgery involves taking a small sample of tissue for testing while the operation is ongoing. This helps the surgeon make immediate decisions about your treatment. The sample is examined under a microscope by a pathologist to identify any abnormal cells or conditions.

19 services16 patients

Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method G0416

This procedure involves taking a small tissue sample from your gland located beneath your bladder. The sample is then examined under a microscope by a pathologist to check for any abnormalities or diseases. This is a standard method to ensure your well-being.

17 services17 patients

Blood bank physician services for cross match and/or evaluation and written report 86077

Blood bank physician services for cross match involve testing your blood against donor blood to ensure compatibility before a transfusion. The evaluation includes a detailed analysis of your blood type and antibodies. A written report will be provided, summarizing the findings.

16 services15 patients

Pathology examination of tissue using a microscope, high complexity 88309

A high complexity pathology examination involves studying body tissue under a microscope to identify any abnormalities. This intricate process helps in diagnosing various conditions and deciding on the best treatment plan.

16 services16 patients

Microscopic genetic analysis of tissue, computer-assisted technology, initial procedure, each multiplex procedure 88374

This procedure involves analyzing tissue at a genetic level using a microscope and advanced computer technology. The initial process involves the collection and preparation of tissue samples. Each multiplex procedure refers to the simultaneous testing of multiple genetic markers to identify abnormalities.

16 services15 patients

Special stained specimen slides to identify organisms including interpretation and report 88312

This service involves coloring specimen slides in a special way to help identify organisms. The colors make different parts of the organism stand out. Afterward, a detailed interpretation and report on the findings are provided.

14 services11 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Kettering Health Main Campus

Acute Care Hospitals · Kettering, OH

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number360079

Location3535 Southern BoulevardKettering, OH 45429 · Montgomery County

Emergency services Birthing friendly

Fort Hamilton Hughes Memorial Hospital

Acute Care Hospitals · Hamilton, OH

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number360132

Location630 Eaton AvenueHamilton, OH 45013 · Butler County

Emergency services Birthing friendly

Kettering Health Dayton

Acute Care Hospitals · Dayton, OH

3/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number360133

Location405 Grand AvenueDayton, OH 45405 · Montgomery County

Birthing friendly

Kettering Health Miamisburg

Acute Care Hospitals · Miamisburg, OH

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number360239

Location4000 Miamisburg-Centerville RoadMiamisburg, OH 45342 · Montgomery County

Emergency services

Soin Medical Center

Acute Care Hospitals · Beaver Creek, OH

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number360360

Location3535 Pentagon Park BlvdBeaver Creek, OH 45431 · Greene County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 45429 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$126.12 typical visit price

range $54.34 – $166.65

Typical copayment $31.53 (range $13.58 – $41.66)

Most-billed visit code 99204

Established Patient

$96.44 typical visit price

range $17.10 – $135.40

Typical copayment $24.11 (range $4.27 – $33.85)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

96.14/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

100

Promoting Interoperability

100

Improvement Activities

Cost

87.13

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Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SCOTT JOSEPH ARNOLD M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

3535 SOUTHERN BLVD., ATTN: SURGICAL PATHOLOGY DEPT
KETTERING, OH 45429

Montgomery County (937) 395-8849

YVONNE GWYNETH DOWDY M.D.

Pathology (Anatomic Pathology & Clinical Pathology)