Gregorio J Guillen MD
- Total HCPs
- 3
- Physicians (MD/DO)
- 1
- Nurses and PAs
- 2
- Medicare Part B payments
- $103,206
Find the right contacts among 3 HCPs
Professional emails, personal emails and mobile numbers for Gregorio J Guillen MD's buying committee, with a free Dmand AI account.
Gregorio J Guillen MD is a primary care medical group in Perth Amboy, New Jersey
Gregorio J Guillen MD is enrolled in Medicare as a group practice under PAC ID 446202006.
Sources: NPPES NPI Registry (CMS); Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Affiliation Data
Gregorio J Guillen MD's NPI is 1518052950 and its PAC ID is 446202006
- Primary NPI (Type 2)
- 1518052950NPI Registry (opens in a new tab)
- Medicare PAC ID
- 446202006
- Dmand ID
- NG-MGR-004713
- Medicare enrollment
- Enrolled (PAC ID on file)
- Address
- 400 State St., Perth Amboy, NJ 08861
- Main phone
- (732) 442-6020
- Executive emails and mobiles
- Get contacts
- Group type
- Single-specialty
- Core specialty
- Primary care
- Site structure
- Single-site
- Ownership model
- Clinician owned
- Leadership
- Physician-led
- Medicare Part B payments
- $103,206
- Legal name
- Gregorio J. Guillen Md, PC
Sources: NPPES NPI Registry (CMS); Doctors and Clinicians National Downloadable File (CMS); Dmand AI Org Hierarchy Data; Dmand AI Organization Profile Data; and Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data
Gregorio J Guillen MD has 1 physician among 3 HCPs
Gregorio J Guillen MD physicians by specialty
- Geriatric medicine (internal medicine)1
Share of the group's 1 physicians.
Gregorio J Guillen MD physicians
Sources: NPPES NPI Registry (CMS); Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Affiliation Data
Gregorio J Guillen MD practices at one location in Perth Amboy
Gregorio J Guillen MD practice locations
Sources: Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Full footprint
Open all 1 practice location with facility phones, patient visits and the HCPs at each site.
Gregorio J Guillen MD is a primary care group with 3 subspecialties
Primary care is Gregorio J Guillen MD's core specialty, with internal medicine as its main practice type.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Affiliation Data
Dmand AI tracks 2 EHR vendors at Gregorio J Guillen MD
Vendor and product names for the practice are available with a free account.
| Site | EHR vendor | Product |
|---|---|---|
| Practice | Available with a free account | Available with a free account |
Source: Dmand AI Technology Install Data
Primary care groups in New Jersey similar in size to Gregorio J Guillen MD
These primary care groups have the closest number of HCPs to Gregorio J Guillen MD.
| Medical group | HCPs |
|---|---|
| 814 Undercliff Medical, PCEdgewater, NJ | 5 |
| AcuteCare Health SystemLakewood, NJ | 5 |
| Advanced Cardiology and Primary Care LLCChester, NJ | 5 |
| Advanced Heart and Vascular of Central JerseyColts Neck, NJ | 5 |
| Advanced Infectious DiseasesEdison, NJ | 5 |
Sources: Dmand AI Affiliation Data; and Dmand AI Peer Benchmarks
Sources for Gregorio J Guillen MD data
| Data on this page | Source |
|---|---|
| NPI, PAC ID and address | NPPES NPI Registry (CMS) (opens in a new tab)Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Dmand ID, phone, website, LinkedIn and group profile | Dmand AI Org Hierarchy DataDmand AI Organization Profile Data |
| Medicare Part B payments | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| HCPs and physician specialties | NPPES NPI Registry (CMS) (opens in a new tab)Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Affiliation Data |
| Specialty areas | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Affiliation Data |
| Practice locations and hospitals | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| EHR vendors | Dmand AI Technology Install Data |
| Similar groups | Dmand AI Affiliation DataDmand AI Peer Benchmarks |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Gregorio J Guillen MD
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gregorio J Guillen MD's NPI number?
Gregorio J Guillen MD's primary NPI (Type 2) is 1518052950.
What is Gregorio J Guillen MD's PAC ID?
Gregorio J Guillen MD's Medicare PAC ID is 446202006, which means the group is enrolled in Medicare.
Where is Gregorio J Guillen MD located?
Gregorio J Guillen MD is at 400 State St., Perth Amboy, NJ 08861.
What is Gregorio J Guillen MD's phone number?
Gregorio J Guillen MD's main phone number is (732) 442-6020.
How many physicians does Gregorio J Guillen MD have?
Dmand AI links 1 physician and 3 HCPs in all to Gregorio J Guillen MD.
What specialties does Gregorio J Guillen MD cover?
Gregorio J Guillen MD is a primary care group with 3 subspecialties. The largest physician specialties are geriatric medicine (internal medicine) (1).
How much does Gregorio J Guillen MD receive from Medicare?
CMS data shows $103,206 in Medicare Part B payments to Gregorio J Guillen MD.
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