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Mark Johnson MD in Mason City, Iowa

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Mark Johnson MD has Endocrinology as his primary medical specialty. Their primary office is: 910 N Eisenhower Ave in Mason City, Iowa.

They're a part of the: North Iowa Mercy Clinics medical group which has around 237 members. You can call their office at 641-428-7799 to schedule an appointment. They also accept the Medicare-approved amount as payment in full. They attended University Of Iowa, Rj & L Carver College Of Medicine and graduated in 1977 (around 47 years of experience). They are not listed as doing telehealth appointments, but this may have changed. It can't hurt to call and check. If anything it may encourage them to make them available if they are not currently.


Mark C Johnson MD Office Phone and Directions

Mark Johnson MD
North Iowa Mercy Clinics
910 N Eisenhower Ave
Mason City, Iowa 50401
641-428-7799


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Phone: 641-428-7799


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Healthcare Info for Mark Johnson MD

Additional Medical Specialties Include:
INTERNAL MEDICINE

Medical School: University Of Iowa, Rj & L Carver College Of Medicine
Graduation Year: 1977
The Primary Medical Specialty for Mark Johnson MD is listed as: Endocrinology
Credentials: MD
Additional Credentials:
Approximate Years of Experience: 47
PAC (PECOS ID)#: 4688678410
NPI #: 1013923127
NPI Created On: 07/31/2006
NPI Last Updated Listed as: 04/20/2021
Primary Taxonomy Code: 207R00000X
License Number:
21527
Listed Gender: Male

Insurance, Services, Charges


Forms of insurance accepted by include, but are not limited to:

  • Medica Insurance Company
  • Medicare

They are listed as accepting new patients.

Languages spoken by staff include: English.


Services and Procedures include:

  1. Routine electrocardiogram (ekg) using at least 12 leads with interpretation and report
  2. Heart rhythm tracing, analysis, and interpretation of 48-hour ekg
  3. Ambulatory continuous glucose (sugar) including interpretation and report for a minimum of 72 hours
  4. New patient office or other outpatient visit, typically 45 minutes
  5. Established patient office or other outpatient visit, typically 15 minutes
  6. Established patient office or other outpatient, visit typically 25 minutes
  7. Subsequent hospital inpatient care, typically 25 minutes per day
  8. Subsequent nursing facility visit, typically 15 minutes per day
  9. Physician telephone patient service, 11-20 minutes of medical discussion
  10. Physician telephone patient service, 21-30 minutes of medical discussion

They took part in the Medicare Physician Quality Reporting System (PQRS).

Open Payments Data. This can include items to test (Durable Medical Equipment (DME)), Biological, Drug Samples, etc. This data must be reported to CMS.


Payments Total: $750

Number of Payments:: 1

Form of Payment: Cash or cash equivalent

Third party is a Charity:: No

Record ID:: 818635269

Being Disputed:: No

Product Related: Yes

Drug or Biological: Drug

Product Category #1: Diabetes

Name of Drug #1: JARDIANCE

Open Associated Drug #1: 0597-0152-37


Payments Total: $375

Number of Payments:: 1

Form of Payment: Cash or cash equivalent

Third party is a Charity:: No

Record ID:: 818643965

Being Disputed:: No

Product Related: Yes

Drug or Biological: Drug

Product Category #1: Diabetes

Name of Drug #1: JARDIANCE

Open Associated Drug #1: 0597-0152-37


Payments Total: $121

Number of Payments:: 1

Form of Payment: In-kind items and services

Travel and Lodging City: Ankeny

Travel and Lodging State: IA

Travel and Lodging Country: United States

Record ID:: 810713147

Being Disputed:: No

Product Related: Yes

Drug or Biological: Drug

Product Category #1: Diabetes

Name of Drug #1: RYBELSUS

Open Associated Drug #1: 0169-4303-13


Payments Total: $123

Number of Payments:: 1

Form of Payment: In-kind items and services

Record ID:: 810713152

Being Disputed:: No

Product Related: Yes

Drug or Biological: Drug

Product Category #1: Diabetes

Name of Drug #1: RYBELSUS

Open Associated Drug #1: 0169-4303-13


Payments Total: $2,768

Number of Payments:: 1

Form of Payment: Cash or cash equivalent

Record ID:: 810857157

Being Disputed:: No

Product Related: Yes

Drug or Biological: Drug

Product Category #1: Diabetes

Name of Drug #1: RYBELSUS

Open Associated Drug #1: 0169-4303-13


Payments Total: $2,768

Number of Payments:: 1

Form of Payment: Cash or cash equivalent

Record ID:: 810857163

Being Disputed:: No

Product Related: Yes

Drug or Biological: Drug

Product Category #1: Diabetes

Name of Drug #1: RYBELSUS

Open Associated Drug #1: 0169-4303-13


Payments Total: $1,755

Number of Payments:: 1

Form of Payment: Cash or cash equivalent

Record ID:: 810857171

Being Disputed:: No

Product Related: Yes

Drug or Biological: Drug

Product Category #1: Diabetes

Name of Drug #1: RYBELSUS

Open Associated Drug #1: 0169-4303-13


Payments Total: $102

Number of Payments:: 1

Form of Payment: In-kind items and services

Travel and Lodging City: Decorah

Travel and Lodging State: IA

Travel and Lodging Country: United States

Record ID:: 811061611

Being Disputed:: No

Product Related: Yes

Drug or Biological: Drug

Product Category #1: Diabetes

Name of Drug #1: RYBELSUS

Open Associated Drug #1: 0169-4303-13


Payments Total: $689

Number of Payments:: 1

Form of Payment: Cash or cash equivalent

Record ID:: 811061619

Being Disputed:: No

Product Related: Yes

Drug or Biological: Drug

Product Category #1: Diabetes

Name of Drug #1: RYBELSUS

Open Associated Drug #1: 0169-4303-13


Payments Total: $38

Number of Payments:: 1

Form of Payment: In-kind items and services

Record ID:: 811238927

Being Disputed:: No

Product Related: Yes

Drug or Biological: Drug

Product Category #1: Diabetes

Name of Drug #1: RYBELSUS

Open Associated Drug #1: 0169-4303-13


Endocrinology Professionals in Mason City

910 N Eisenhower Ave
Mason-city, IA
North Iowa Mercy Clinics

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2.Christopher Adams

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3.Christopher Adams

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4.Christopher Adams

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5.Christopher Adams

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Cresco Ia 52136-1062
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6.Christopher Adams

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View all 237 members of North Iowa Mercy Clinics medical group