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Man-siak Mak in Merced, California

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Man-siak Mak has Gastroenterology as his primary medical specialty. Their primary office is: 3349 G St in Merced, California.

They're a part of the: Timothy S Johnston Md Pc medical group which has around 7 members. You can call their office at 209-8459 to schedule an appointment. They also accept the Medicare-approved amount as payment in full. They attended Sorry, his university is not listed and graduated in 1968 (around 56 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.


Man-siak Mak Office Phone and Directions

Man-siak Mak
Timothy S Johnston Md Pc
3349 G St
Merced, California 95340
209-8459


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Phone: 209-8459


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Healthcare Info for Man-siak Mak

Additional Medical Specialties Include:
INTERNAL MEDICINE

Medical School: Sorry, his university is not listed
Graduation Year: 1968
The Primary Medical Specialty for Man-siak Mak is listed as: Gastroenterology
Approximate Years of Experience: 56
PAC (PECOS ID)#: 4183786122
NPI #: 1609875004
NPI Created On: 07/18/2005
NPI Last Updated Listed as: 04/17/2019
Primary Taxonomy Code: 207RG0100X
License Number:
A26785
Listed Gender: Male

Insurance, Services, Charges


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

  • Humana
  • Medicare

They are listed as accepting new patients.

Languages spoken by staff include: English, Spanish, Chinese.


Services and Procedures include:

  1. Biopsy of the esophagus, stomach, and/or upper small bowel using an endoscope
  2. Balloon dilation of esophagus using an endoscope
  3. Biopsy of large bowel using an endoscope
  4. Removal of polyps or growths of large bowel using an endoscope
  5. New patient office or other outpatient visit, typically 45 minutes
  6. Established patient office or other outpatient visit, typically 15 minutes
  7. Established patient office or other outpatient, visit typically 25 minutes
  8. Prolonged office or other outpatient service first hour
  9. Colorectal cancer screening; colonoscopy on individual at high risk
  10. Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk
  11. Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito

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: $73

Number of Payments:: 1

Form of Payment: Cash or cash equivalent

Record ID:: 805252257

Being Disputed:: No

Product Related: Yes

Drug or Biological: Drug

Product Category #1: GI COLON PREP

Name of Drug #1: SUPREP BOWEL PREP

Open Associated Drug #1: 52268-012-01


Payments Total: $73

Number of Payments:: 1

Form of Payment: Cash or cash equivalent

Record ID:: 805252261

Being Disputed:: No

Product Related: Yes

Drug or Biological: Drug

Product Category #1: GI COLON PREP

Name of Drug #1: SUTAB

Open Associated Drug #1: 52268-201-01


Gastroenterology Professionals in Merced

750 W Olive Ave
Merced, CA
Madhu K. Kris, M.d., Inc.

360 E Yosemite Ave
Merced, CA

386 W Olive Ave A
Merced, CA

Providers in Timothy S Johnston Md Pc

1.Marie David Md

3349 G St
Merced Ca 95340-0978
Timothy S Johnston Md Pc
Family Practice

2.Andrea Heyn

3349 G St
Merced Ca 95340-0978
Timothy S Johnston Md Pc
Family Practice

3.Timothy Johnston Md

3349 G St
Merced Ca 95340-0978
Timothy S Johnston Md Pc
Family Practice

4.Man-siak Mak

3349 G St
Merced Ca 95340-0978
Timothy S Johnston Md Pc
Gastroenterology

5.Brian Moore Md

3349 G St
Merced Ca 95340-0978
Timothy S Johnston Md Pc
Obstetrics/gynecology

6.Linda Ottemoeller

3349 G St
Merced Ca 95340-0978
Timothy S Johnston Md Pc
Obstetrics/gynecology

View all 7 members of Timothy S Johnston Md Pc medical group