MARLENE A. SANTIAGO M.D.
NPI 1689600116
Anesthesiology in Concord, NH
About Marlene A. Santiago M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARLENE A. SANTIAGO M.D. (NPI 1689600116) is an individual anesthesiology provider in Concord, New Hampshire, licensed in New Hampshire (11934) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (1999).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 2
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
Marlene A. Santiago M.d. 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 Reassignments
5Medicare enrollment records show Marlene Santiago reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Concord, NH 03301
- Reassigned Medicare billing, New Hampshire enrollment
- 98 clinicians in this Medicare group
Hampstead, NH 03841
- Reassigned Medicare billing, New Hampshire enrollment
- 2,620 clinicians in this Medicare group
Nashua, NH 03060
- Reassigned Medicare billing, New Hampshire enrollment
- 132 clinicians in this Medicare group
Exeter, NH 03833
- Reassigned Medicare billing, New Hampshire enrollment
- 189 clinicians in this Medicare group
Keene, NH 03431
- Reassigned Medicare billing, New Hampshire enrollment
- 2,999 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.
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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
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.
CONCORD, NH 03301
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 Marlene Santiago's NPI number?
The NPI number for Marlene Santiago is 1689600116. It was assigned to this individual provider in the NPPES registry on June 25, 2006.
Where is Marlene Santiago located?
Marlene Santiago practices at 250 Pleasant St, Concord, NH 03301. The listed phone number is (603) 789-9103.
What is Marlene Santiago's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Marlene Santiago enrolled in Medicare?
Yes. Marlene Santiago 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 Marlene Santiago's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marlene Santiago reassigns Medicare benefits to 5 organizations: Anesthesia Associates Professional Association (Concord, NH), Mary Hitchcock Memorial Hospital (Hampstead, NH), North American Partners In Anesthesia New Hampshire LLP (Nashua, NH), Anesthesia Care Group PC (Exeter, NH) and Dartmouth-Hitchcock Clinic (Keene, NH). 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 Marlene Santiago's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marlene Santiago accept?
Health plans from Taro Health and WellSense Health Plan list Marlene Santiago 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.
When was this NPI record last updated?
The NPPES record for Marlene Santiago was last updated on December 18, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.
# Marlene A. Santiago, M.D. · NPI 1689600116
Anesthesiology physician in Concord, New Hampshire. Individual provider, active in the CMS NPPES registry since June 25, 2006.
## Identity
- **NPI:** 1689600116 (Entity type: Individual)
- **Enumerated:** June 25, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 11934 (New Hampshire)
- **Sole proprietor:** No
## Practice location
- **Address:** 250 PLEASANT ST, Concord, NH 03301-2598
- **Phone:** (603) 789-9103 · **Fax:** (603) 227-7832
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Anesthesia Associates Professional Association (NPI 1881791150, Concord, NH); Mary Hitchcock Memorial Hospital (NPI 1699584219, Hampstead, NH); North American Partners In Anesthesia New Hampshire LLP (NPI 1306838701, Nashua, NH); Anesthesia Care Group PC (NPI 1629074224, Exeter, NH); Dartmouth-Hitchcock Clinic (NPI 1174176861, Keene, NH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1999
## Record status
- **NPPES last updated:** December 18, 2023
- **Other identifiers:** Medicaid 30203630 (NH); Other P00046088
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Source: [NPI Profile](https://npiprofile.com/npi/1689600116) · Data from the CMS NPPES public registry.