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Michael Grenis in Princeton, New Jersey

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Michael Grenis has Orthopedic Surgery as his primary medical specialty. Their primary office is: 325 Princeton Ave in Princeton, New Jersey. There is an additional office location, for a total of two, for Michael Grenis that can be viewed further down.

They're a part of the: Orthonj Llc medical group which has around 270 members. You can call their office at 609-924-8131 to schedule an appointment. They also accept the Medicare-approved amount as payment in full. They attended New York Medical College and graduated in 1984 (around 40 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.


Michael S. Grenis Office Phone and Directions

Michael Grenis
Orthonj Llc
325 Princeton Ave
Princeton, New Jersey 08540
609-924-8131


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Phone: 609-924-8131


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Healthcare Info for Michael Grenis

Medical School: New York Medical College
Graduation Year: 1984
The Primary Medical Specialty for Michael Grenis is listed as: Orthopedic Surgery
Approximate Years of Experience: 40
PAC (PECOS ID)#: 8628122041
NPI #: 1669546834
NPI Created On: 11/20/2006
NPI Last Updated Listed as: 09/30/2019
Primary Taxonomy Code: 207X00000X
License Number:
MD442362
Listed Gender: Male

Insurance, Services, Charges


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

  • AmeriHealth New Jersey
  • Blue Cross Blue Shield
  • AmeriHealth HMO, Inc.
  • Humana
  • Geisinger Health Plan
  • UPMC Health Options, Inc.
  • Oscar Garden State Insurance Corporation
  • Geisinger Quality Options
  • Medicare

They are listed as accepting new patients.

Languages spoken by staff include: English.


Services and Procedures include:

  1. Injection of carpal tunnel
  2. Injections of tendon sheath, ligament, or muscle membrane
  3. Aspiration and/or injection of small joint or joint capsule
  4. Application of cast, elbow to finger (short arm)
  5. Release and/or relocation of median nerve of hand
  6. X-ray of shoulder, minimum of 2 views
  7. X-ray of elbow, minimum of 3 views
  8. X-ray of wrist, minimum of 3 views
  9. X-ray of hand, minimum of 3 views
  10. X-ray of fingers, minimum of 2 views
  11. Therapeutic exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes
  12. Manual (physical) therapy techniques to 1 or more regions, each 15 minutes
  13. New patient office or other outpatient visit, typically 30 minutes
  14. New patient office or other outpatient visit, typically 45 minutes
  15. Established patient office or other outpatient visit, typically 15 minutes
  16. Established patient office or other outpatient, visit typically 25 minutes
  17. Initial hospital inpatient care, typically 50 minutes per day
  18. Subsequent hospital inpatient care, typically 25 minutes per day
  19. Injection, methylprednisolone acetate, 40 mg
  20. Cast supplies, short arm cast, adult (11 years +), fiberglass

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: $23

Number of Payments:: 1

Form of Payment: In-kind items and services

Third party is a Charity:: No

Record ID:: 787471991

Being Disputed:: No

Product Related: Yes

Drug or Biological: Device

Product Category #1: Trauma

Name of Drug #1: NA


Payments Total: $28

Number of Payments:: 1

Form of Payment: In-kind items and services

Record ID:: 838649557

Being Disputed:: No

Product Related: Yes

Drug or Biological: Device

Product Category #1: Orthopedics/Orthopedic Surgery

Name of Drug #1: Durolane


Payments Total: $56

Number of Payments:: 1

Form of Payment: In-kind items and services

Record ID:: 806482051

Being Disputed:: No

Product Related: Yes

Drug or Biological: Device

Product Category #1: HIPS

Name of Drug #1: ADAPT


Payments Total: $11

Number of Payments:: 1

Form of Payment: In-kind items and services

Record ID:: 838723759

Being Disputed:: No

Product Related: Yes

Drug or Biological: Drug

Product Category #1: Musculoskeletal

Name of Drug #1: Zilretta

Open Associated Drug #1: 70801-003-01


Additional Office Locations

1. Orthonj Llc
11 Centre Dr
Monroe Twp, NJ 08831
Group Members: 270

Phone: 609-924-8131

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Orthopedic Surgery Professionals in Princeton

10 Forrestal Rd S
Princeton, NJ
Premier Brain And Spine Llc

8 Forrestal Rd S
Princeton, NJ
Princeton Bone And Joint Llc

727 State Rd
Princeton, NJ
Orthonj Llc

325 Princeton Ave
Princeton, NJ
Orthonj Llc

10 Forrestal Rd S
Princeton, NJ
Premier Brain And Spine Llc

727 State Rd
Princeton, NJ
Orthonj Llc

Providers in Orthonj Llc

1.Joseph Abadir

4810 Belmar Blvd
Wall Township Nj 07753-6952
Orthonj Llc
Physical Therapy

2.Joseph Abadir

2 Worlds Fair Dr
Somerset Nj 08873-1369
Orthonj Llc
Physical Therapy

3.Hesham Abdelfattah

4810 Belmar Blvd
Wall Township Nj 07753-6952
Orthonj Llc
Orthopedic Surgery

4.Mina Abdelshahed

210 W Saint Georges Ave Fl
Linden Nj 07036-3900
Orthonj Llc
Orthopedic Surgery

5.Mina Abdelshahed

1139 Raritan Rd
Clark Nj 07066-1344
Orthonj Llc
Orthopedic Surgery

6.Paz Abergel

2315 Route 34
Manasquan Nj 08736-1444
Orthonj Llc
Podiatry

View all 270 members of Orthonj Llc medical group