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CHRISTOPHER MICHAEL GAMBOA MD
NPI 1083235444
Hospitalist in Fairfax, SC

Active since April 27, 2020PECOS EnrolledAccepts Medicare Assignment
1787 ALLENDALE FAIRFAX HWY, FAIRFAX, SC 29827(803) 632-3311 Get Directions Write a Review

NPPES record last updated: August 1, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 19, 2025, May 15, 2025, Dec 15, 2023 (3 updates tracked since 2023).

About Christopher Michael Gamboa Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CHRISTOPHER MICHAEL GAMBOA MD (NPI 1083235444) is an individual hospitalist provider in Fairfax, South Carolina, licensed in Maine (MD29211) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Houlton Regional Hospital, and maintains a secondary practice location in Houlton.

NPPES Registry Identity

NPI1083235444
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameCHRISTOPHER MICHAEL GAMBOACredential: MD
Location Address1787 ALLENDALE FAIRFAX HWYFairfax, SC 29827-9133
Mailing Address34 Onyx CtSt Augustine, FL 32086-0361 · (904) 887-9801
Phone(803) 632-3311
Sole ProprietorNo
Medical School CMSUniversity Of Alabama School Of MedicineGraduated 2010
Enumeration DateApril 27, 2020
Last NPPES UpdateAugust 1, 20253 updates tracked since enumeration
NPPES CertifiedAugust 1, 2025
✔ NPI 1083235444 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
Licenses✔ Licensed in ME · MD29211✔ Licensed in SC · MMD.91160
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedFamily MedicineTaxonomy 207Q00000X · License 91160 (SC), MD29211 (ME)
1787 ALLENDALE FAIRFAX HWY, Fairfax, SC 29827
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Secondary Practice Location 1

Location 120 Hartford StHoulton, ME 04730-1859 · Phone (207) 532-2900

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.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

Christopher Michael Gamboa Md 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.

PECOS PAC ID4880046796
PECOS Enrollment IDI20250603001016, I20250715003671
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Christopher Gamboa reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mass General Brigham Medical Group Suburban Massachusetts Inc
846 mi
Family Medicine
2014 WASHINGTON STREET
Newton, MA 02462
  • Reassigned Medicare billing, Massachusetts enrollment
  • 992 clinicians in this Medicare group
NPI 1538191218 (617) 243-6262
Springfield Hospital
856 mi
Critical Access Hospital
25 RIDGEWOOD ROAD
Springfield, VT 05156
  • Reassigned Medicare billing, Vermont enrollment
  • 56 clinicians in this Medicare group
NPI 1033225875 (802) 885-2151
Houlton Regional Hospital
1,153 mi
Critical Access
20 HARTFORD ST
Houlton, ME 04730
  • Reassigned Medicare billing, Maine enrollment
  • 169 clinicians in this Medicare group
NPI 1386804268 (207) 532-2900
Rural Physicians Group-Pannu PLLC
1,393 mi
Hospitalist
5575 DTC PKWY STE 225
Greenwood Village, CO 80111
  • Reassigned Medicare billing, South Carolina enrollment
  • 7 clinicians in this Medicare group
NPI 1891236584 (303) 390-1924

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
42 services17 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
31 services20 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
21 services19 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
17 services16 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Houlton Regional Hospital

Critical Access Hospitals · Houlton, ME
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number201308
Location20 Hartford StreetHoulton, ME 04730 · Aroostook County
Emergency services

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

Mary Hitchcock Memorial Hospital

Acute Care Hospitals · Lebanon, NH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300003
Location1 Medical Center DriveLebanon, NH 03756 · Grafton County
Emergency services Birthing friendly

Springfield Hospital

Critical Access Hospitals · Springfield, VT
OwnershipVoluntary non-profit - Private
CMS Certification Number471306
LocationPO Box 2003Springfield, VT 05156 · Windsor County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29827 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$124.04 typical visit price
range $53.57 – $163.84
Typical copayment $31.01 (range $13.39 – $40.96)
Most-billed visit code 99204
Established Patient
$95.12 typical visit price
range $16.96 – $133.52
Typical copayment $23.78 (range $4.24 – $33.38)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 17

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ROGER EUGENE NUNN MD
Family Medicine
1787 ALLENDALE FAIRFAX HWY
FAIRFAX, SC 29827
Allendale County (803) 632-3421
ALLENDALE COUNTY HOSPITAL BOARD
General Acute Care Hospital (Critical Access)
1787 ALLENDALE FAIRFAX HWY
FAIRFAX, SC 29827
Allendale County (803) 632-3311
DR. BRENT ALAN ARMSTRONG MD
Emergency Medicine
1787 ALLENDALE FAIRFAX HWY
FAIRFAX, SC 29827
Allendale County (803) 632-3311
KATHERINE BORGER SWEARINGEN PT
Physical Therapist
1787 ALLENDALE FAIRFAX HWY
FAIRFAX, SC 29827
Allendale County (803) 632-3311
ALLENDALE COUNTY HOSPITAL BOARD
Pharmacy (Community/Retail Pharmacy)
1787 ALLENDALE FAIRFAX HWY
FAIRFAX, SC 29827
Allendale County (803) 632-3311
MICHAELA MARIA READY OTD, OTR/L
Occupational Therapist
1787 ALLENDALE FAIRFAX HWY
FAIRFAX, SC 29827
Allendale County (803) 632-3311
MS. EUNICE E WHITE R.N. B.S.N. C.D.E
Registered Nurse (Diabetes Educator)
1787 ALLENDALE FAIRFAX HWY, POB 218
FAIRFAX, SC 29827
Allendale County (803) 632-3311
ALLENDALE COUNTY HOSPITAL BOARD
General Acute Care Hospital
1787 ALLENDALE FAIRFAX HWY
FAIRFAX, SC 29827
Allendale County (803) 632-3311

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 Christopher Gamboa's NPI number?

The NPI number for Christopher Gamboa is 1083235444. It was assigned to this individual provider in the NPPES registry on April 27, 2020.

Where is Christopher Gamboa located?

Christopher Gamboa practices at 1787 Allendale Fairfax Hwy, Fairfax, SC 29827. The listed phone number is (803) 632-3311.

What is Christopher Gamboa's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Christopher Gamboa enrolled in Medicare?

Yes. Christopher Gamboa 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 organizations bill Medicare for Christopher Gamboa's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Gamboa reassigns Medicare benefits to 4 organizations: Mass General Brigham Medical Group Suburban Massachusetts Inc (Newton, MA), Springfield Hospital (Springfield, VT), Houlton Regional Hospital (Houlton, ME) and Rural Physicians Group-Pannu PLLC (Greenwood Village, CO). Each 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 Christopher Gamboa's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Christopher Gamboa accept?

Health plans from Anthem Blue Cross and Blue Shield list Christopher Gamboa 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 Christopher Gamboa affiliated with any hospitals?

According to CMS data, Christopher Gamboa is affiliated with Houlton Regional Hospital, Brigham And Women's Hospital, Mary Hitchcock Memorial Hospital and Springfield Hospital.

When was this NPI record last updated?

The NPPES record for Christopher Gamboa was last updated on August 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.