CHRISTOPHER J. JOHNSON MD
NPI 1316987878
Pathology - Clinical Pathology/Laboratory Medicine in Ames, IA

Q: What is Christopher Johnson's NPI number?

The NPI number for Christopher Johnson is 1316987878. It was assigned to this individual provider in the NPPES registry on June 6, 2006.

Q: What is Christopher Johnson's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology/Laboratory Medicine, with taxonomy code 207ZP0105X.

Active since June 06, 2006PECOS EnrolledAccepts Medicare Assignment

1215 DUFF AVE, MCFARLAND CLINIC PC, AMES, IA 50010(515) 239-4448(515) 239-4741 Get Directions Write a Review

NPPES record last updated: February 22, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Christopher J. Johnson Md NPPES

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

CHRISTOPHER J. JOHNSON MD (NPI 1316987878) is an individual clinical pathology/laboratory medicine provider in Ames, Iowa, licensed in Iowa (35985) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Mary Greeley Medical Center, and is a graduate of University Of Iowa, Rj & L Carver College Of Medicine (2001).

NPPES Registry Identity

NPI1316987878

Entity TypeIndividualMale

Primary Taxonomy207ZP0105X

Provider Legal NameCHRISTOPHER J. JOHNSONCredential: MD

Location Address1215 DUFF AVE, MCFARLAND CLINIC PCAmes, IA 50010-3014

Mailing AddressPo Box 3014, 1215 Duff Ave Mcfarland Clinic PcAmes, IA 50010-3014 · (515) 239-4448 · Fax (515) 239-4741

Phone(515) 239-4448

Fax(515) 239-4741

Sole ProprietorNo

Medical School CMSUniversity Of Iowa, Rj & L Carver College Of MedicineGraduated 2001

Enumeration DateJune 6, 2006

Last NPPES UpdateFebruary 22, 2024

NPPES CertifiedFebruary 22, 2024

✔ NPI 1316987878 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Clinical Pathology/Laboratory MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0105X

License✔ Licensed in IA · 35985

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.

1215 DUFF AVE, Ames, IA 50010

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Other Identifiers 3

Other10657IA · Wellmark

Medicaid0485227IA

Medicaid1316987878IA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica.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

Christopher J. Johnson Md 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 ID1153325162

PECOS Enrollment IDI20060906000305

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 37

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.

1,273 services714 patients

Pathology examination of tissue using a microscope, intermediate complexity 88305

899 services654 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.

383 services285 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.

303 services78 patients

Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, screening by cytotechnologist under physician supervision G0123

This is a routine screening procedure where cells are collected from the lower female tract. The cells are placed in a special fluid, prepared in a thin layer for microscopic examination. This is done under the supervision of a medical professional to ensure accuracy.

128 services128 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.

120 services109 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.

112 services106 patients

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

91 services30 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.

81 services76 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.

81 services59 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.

73 services57 patients

Special stained specimen slides to examine tissue including interpretation and report 88313

Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.

68 services34 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.

59 services47 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.

52 services29 patients

Detection test by nucleic acid for human papillomavirus (hpv), high-risk types 87624

This test detects high-risk types of HPV, a common virus. It's done by analyzing a small sample of cells for the presence of HPV DNA. The aim is to identify any high-risk types early, as they may increase the risk of certain health issues.

48 services48 patients

Pathology cytologic examination of specimen during surgery, initial site 88333

A pathology cytologic examination during surgery involves taking a small sample of cells from the initial site of concern. This sample is then examined under a microscope by a pathologist to check for any abnormal or disease-causing cells. This helps guide the ongoing surgical procedure.

48 services40 patients

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

47 services45 patients

Special stained specimen slides to examine tissue, initial procedure 88342

46 services44 patients

Infectious agent detection by nucleic acid (dna or rna); human papillomavirus (hpv), high-risk types (e.g., 16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, 59, 68) for cervical cancer screening, must be performed in addition to pap test G0476

This service detects high-risk types of HPV, a common virus, by analyzing DNA or RNA. It's an essential part of cervical cancer screening, performed alongside the Pap test. This dual approach enhances accuracy, aiding early detection and treatment.

46 services46 patients

Pap test, manual screening 88142

A Pap test is a routine procedure that checks for unusual changes in cells. During the manual screening, a small sample of cells is gently collected from the lower region of the body. These cells are then examined under a microscope to ensure your health.

45 services45 patients

Evaluation of fine needle aspirate 88172

Evaluation of fine needle aspirate is a diagnostic procedure where a thin needle is used to collect cells from a lump or mass. This sample is then examined under a microscope to determine the nature of the lump, whether it's benign (non-cancerous) or malignant (cancerous).

38 services28 patients

Special stained specimen slides to examine tissue including interpretation and report 88313

37 services24 patients

Preparation of tissue for examination by removing any calcium present 88311

35 services34 patients

Bone marrow, smear interpretation 85097

Bone marrow smear interpretation is a procedure where a small sample of your bone marrow is taken and examined under a microscope. This helps doctors identify any abnormal cells or signs of diseases such as anemia, leukemia, or infections. It's a crucial step in diagnosing various blood disorders.

33 services32 patients

Cell examination of specimen, selective cellular enhancement technique 88112

33 services32 patients

Microscopic genetic analysis of tumor, manual 88360

32 services13 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.

31 services24 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.

22 services22 patients

Surgical pathology consultation and report on referred slides prepared elsewhere 88321

A surgical pathology consultation involves reviewing slides prepared at a different lab to confirm or clarify a diagnosis. It's a second opinion to ensure accuracy. A report with findings and interpretations is then provided for your doctor's reference.

20 services20 patients

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

17 services17 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.

16 services16 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.

16 services15 patients

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

15 services11 patients

Bone marrow, smear interpretation 85097

13 services13 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.

13 services13 patients

Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, requiring interpretation by physician G0124

This is a routine health check where a sample of cells is collected from the lower region of the female reproductive system. The sample is preserved and prepared using automated technology for detailed examination. A doctor interprets the results to check for any abnormalities.

12 services12 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.

11 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Mary Greeley Medical Center

Acute Care Hospitals · Ames, IA

4/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number160030

Location1111 Duff AvenueAmes, IA 50010 · Story County

Emergency services Birthing friendly

Van Diest Medical Center

Critical Access Hospitals · Webster City, IA

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number161361

Location2350 Hospital DriveWebster City, IA 50595 · Hamilton County

Emergency services

Boone County Hospital

Critical Access Hospitals · Boone, IA

OwnershipGovernment - Local

CMS Certification Number161372

Location1015 Union StreetBoone, IA 50036 · Boone County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 50010 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

$122.23 typical visit price

range $52.96 – $161.40

Typical copayment $30.55 (range $13.24 – $40.35)

Most-billed visit code 99204

Established Patient

$94.05 typical visit price

range $16.91 – $131.98

Typical copayment $23.51 (range $4.22 – $32.99)

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.

Other Providers at the Same Location NPPES 20

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

KARL HAMOUCHE

Radiology (Diagnostic Radiology)

1215 DUFF AVE
AMES, IA 50010

Story County (515) 239-4456

MARK R. MORRIS PA-C

Physician Assistant (Medical)

1215 DUFF AVE, MCFARLAND CLINIC, PC
AMES, IA 50010

Story County (515) 239-4496

NICHOLAS LELAND SKIBBA PHARMD

Pharmacist (Ambulatory Care)

1215 DUFF AVE
AMES, IA 50010

Story County (515) 239-4400

TROY MICHAEL MCDONOUGH M.S.P.T.

Physical Therapist

1215 DUFF AVE
AMES, IA 50010

Story County (515) 956-4095

BRIAN O'TOOL

Physical Therapist

1215 DUFF AVE
AMES, IA 50010

Story County (515) 956-4095

MATIAS ALBERTO GERSTNER MD

Internal Medicine

1215 DUFF AVE
AMES, IA 50010

Story County (515) 239-4431

DR. JUSTIN WADE RASH PHARMD

Pharmacist

1215 DUFF AVE
AMES, IA 50010

Story County (515) 232-7315

NATALIE NELSON

Physician Assistant

1215 DUFF AVE
AMES, IA 50010

Story County (515) 239-4475

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Christopher Johnson's NPI number?

The NPI number for Christopher Johnson is 1316987878. It was assigned to this individual provider in the NPPES registry on June 6, 2006.

Where is Christopher Johnson located?

Christopher Johnson practices at 1215 Duff Ave Mcfarland Clinic PC, Ames, IA 50010. The listed phone number is (515) 239-4448.

What is Christopher Johnson's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology/Laboratory Medicine, with taxonomy code 207ZP0105X.

Is Christopher Johnson enrolled in Medicare?

Yes. Christopher Johnson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Christopher Johnson accept?

Health plans from Medica list Christopher Johnson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Christopher Johnson affiliated with any hospitals?

According to CMS data, Christopher Johnson is affiliated with Mary Greeley Medical Center, Van Diest Medical Center and Boone County Hospital.

When was this NPI record last updated?

The NPPES record for Christopher Johnson was last updated on February 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.