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Marilyn Grondin MD in Portsmouth, New Hampshire

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Marilyn Grondin MD has Gastroenterology as her primary medical specialty. Their primary office is: 330 Borthwick Ave in Portsmouth, New Hampshire.

They're a part of the: Atlantic Digestive Specialists Pllc medical group which has around 17 members. You can call their office at 603-433-2488 to schedule an appointment. They also accept the Medicare-approved amount as payment in full. They attended Sorry, her university is not listed and graduated in 1978 (around 46 years of experience). They are listed as doing telehealth appointments.


Marilyn V Grondin MD Office Phone and Directions

Marilyn Grondin MD
Atlantic Digestive Specialists Pllc
330 Borthwick Ave
Portsmouth, New Hampshire 03801
603-433-2488


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Phone: 603-433-2488


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Healthcare Info for Marilyn Grondin MD

Medical School: Sorry, her university is not listed
Graduation Year: 1978
The Primary Medical Specialty for Marilyn Grondin MD is listed as: Gastroenterology
Credentials: MD
Additional Credentials:
Approximate Years of Experience: 46
PAC (PECOS ID)#: 7810965365
NPI #: 1841266327
NPI Created On: 02/24/2006
NPI Last Updated Listed as: 02/13/2012
Primary Taxonomy Code: 207RG0100X
License Number:
8703
Listed Gender: Female

Insurance, Services, Charges


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

  • Harvard Pilgrim Health Care Inc.
  • Medicare

They are listed as accepting new patients.

Languages spoken by staff include: Spanish.


Services and Procedures include:

  1. Biopsy of the esophagus, stomach, and/or upper small bowel using an endoscope
  2. Diagnostic examination of large bowel using an endoscope
  3. Biopsy of large bowel using an endoscope
  4. Removal of polyps or growths of large bowel using an endoscope
  5. Infusion of chemotherapy into a vein up to 1 hour
  6. New patient office or other outpatient visit, typically 20 minutes
  7. New patient office or other outpatient visit, typically 30 minutes
  8. Established patient office or other outpatient visit, typically 15 minutes
  9. Physician telephone patient service, 5-10 minutes of medical discussion
  10. Physician telephone patient service, 11-20 minutes of medical discussion
  11. Physician telephone patient service, 21-30 minutes of medical discussion
  12. Colorectal cancer screening; colonoscopy on individual at high risk
  13. Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk
  14. Infusion, normal saline solution, 250 cc

They took part in Medicare's Electronic Health Record Incentive Program which was designed to help move people over to electronic records and improve the systems that were already in place.
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: $17

Number of Payments:: 1

Form of Payment: In-kind items and services

Third party is a Charity:: No

Record ID:: 788738511

Being Disputed:: No

Product Related: Yes

Drug or Biological: Biological

Product Category #1: Immunology

Name of Drug #1: STELARA

Open Associated Drug #1: 57894-060-03


Payments Total: $15

Number of Payments:: 1

Form of Payment: In-kind items and services

Third party is a Charity:: No

Record ID:: 788738509

Being Disputed:: No

Product Related: Yes

Drug or Biological: Biological

Product Category #1: Immunology

Name of Drug #1: STELARA

Open Associated Drug #1: 57894-060-03


Payments Total: $19

Number of Payments:: 1

Form of Payment: In-kind items and services

Third party is a Charity:: No

Record ID:: 788738513

Being Disputed:: No

Product Related: Yes

Drug or Biological: Biological

Product Category #1: Immunology

Name of Drug #1: STELARA

Open Associated Drug #1: 57894-060-03


Payments Total: $21

Number of Payments:: 1

Form of Payment: In-kind items and services

Third party is a Charity:: No

Record ID:: 788738515

Being Disputed:: No

Product Related: Yes

Drug or Biological: Biological

Product Category #1: Immunology

Name of Drug #1: STELARA

Open Associated Drug #1: 57894-060-03


Payments Total: $17

Number of Payments:: 1

Form of Payment: In-kind items and services

Record ID:: 849938297

Being Disputed:: No

Product Related: Yes

Drug or Biological: Drug

Product Category #1: Gastroenterology

Name of Drug #1: XIFAXAN

Open Associated Drug #1: 65649-303-02


Payments Total: $18

Number of Payments:: 1

Form of Payment: In-kind items and services

Record ID:: 849944297

Being Disputed:: No

Product Related: Yes

Drug or Biological: Drug

Product Category #1: Gastroenterology

Name of Drug #1: XIFAXAN

Open Associated Drug #1: 65649-303-02


Payments Total: $13

Number of Payments:: 1

Form of Payment: Cash or cash equivalent

Record ID:: 855129861

Being Disputed:: No

Product Related: Yes

Drug or Biological: Drug

Product Category #1: GI

Name of Drug #1: Linzess

Open Associated Drug #1: 0456-1201-30

Drug or Biological: Drug

Product Category #2: GI

Name Of Drug #2:: GIVLAARI

Associated Drug #2: 71336-1001-1


Gastroenterology Professionals in Portsmouth

330 Borthwick Ave
Portsmouth, NH
Atlantic Digestive Specialists Pllc

330 Borthwick Ave
Portsmouth, NH
Atlantic Digestive Specialists Pllc

330 Borthwick Ave
Portsmouth, NH
Atlantic Digestive Specialists Pllc

330 Borthwick Ave
Portsmouth, NH
Atlantic Digestive Specialists Pllc

Providers in Atlantic Digestive Specialists Pllc

1.Sonya Alyea

330 Borthwick Ave
Portsmouth Nh 03801-7112
Atlantic Digestive Specialists Pllc
Nurse Practitioner

2.Sonya Alyea

21 Clark Way
Somersworth Nh 03878-4401
Atlantic Digestive Specialists Pllc
Nurse Practitioner

3.Haley Bouchard

21 Clark Way
Somersworth Nh 03878-4401
Atlantic Digestive Specialists Pllc
Physician Assistant

4.Aristotle Damianos Md

21 Clark Way
Somersworth Nh 03878-4401
Atlantic Digestive Specialists Pllc
Gastroenterology

5.Roger Epstein Md

330 Borthwick Ave
Portsmouth Nh 03801-7112
Atlantic Digestive Specialists Pllc
Gastroenterology

6.Kyungran Gibson

330 Borthwick Ave
Portsmouth Nh 03801-7112
Atlantic Digestive Specialists Pllc
Physician Assistant

View all 17 members of Atlantic Digestive Specialists Pllc medical group