RAMON HENDRIK GUILLEN
NPI 1922732734
Internal Medicine in Laconia, NH
About Ramon Hendrik Guillen NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RAMON HENDRIK GUILLEN (NPI 1922732734) is an individual internal medicine provider in Laconia, New Hampshire, licensed in New Hampshire (34222) and active in the NPI registry since July 2022. He is enrolled in Medicare PECOS, is affiliated with Concord Hospital, and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ramon Hendrik Guillen is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Ramon Hendrik Guillen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Laconia, NH 03246
- Reassigned Medicare billing, New Hampshire enrollment
- 409 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Concord Hospital
Acute Care Hospitals · Concord, NHConcord Hospital- Laconia
Acute Care Hospitals · Laconia, NHConcord Hospital- Franklin
Critical Access Hospitals · Franklin, NHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03246 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Ramon Hendrik Guillen's NPI number?
The NPI number for Ramon Hendrik Guillen is 1922732734. It was assigned to this individual provider in the NPPES registry on July 16, 2022.
Where is Ramon Hendrik Guillen located?
Ramon Hendrik Guillen practices at 724 N Main St, Laconia, NH 03246. The listed phone number is (603) 524-9201.
What is Ramon Hendrik Guillen's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Ramon Hendrik Guillen enrolled in Medicare?
Yes. Ramon Hendrik Guillen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Ramon Hendrik Guillen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ramon Hendrik Guillen reassigns Medicare benefits to Concord Hospital-Laconia (Laconia, NH). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ramon Hendrik Guillen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ramon Hendrik Guillen accept?
Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care, Taro Health and WellSense Health Plan list Ramon Hendrik Guillen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Ramon Hendrik Guillen affiliated with any hospitals?
According to CMS data, Ramon Hendrik Guillen is affiliated with Concord Hospital, Concord Hospital- Laconia and Concord Hospital- Franklin.
When was this NPI record last updated?
The NPPES record for Ramon Hendrik Guillen was last updated on June 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Ramon Hendrik Guillen · NPI 1922732734
Internal Medicine physician in Laconia, New Hampshire. Individual provider, active in the CMS NPPES registry since July 16, 2022.
## Identity
- **NPI:** 1922732734 (Entity type: Individual)
- **Enumerated:** July 16, 2022
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 34222 (New Hampshire)
- **Sole proprietor:** No
## Practice location
- **Address:** 724 N MAIN ST, Laconia, NH 03246-2742
- **Phone:** (603) 524-9201
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Concord Hospital-Laconia (NPI 1053993741, Laconia, NH), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** June 26, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1922732734) · Data from the CMS NPPES public registry.