MARIA DEL CARMEN LOPEZ SANTIAGO M.D.
NPI 1003218272
Psychiatry & Neurology - Psychiatry in Somerset, PA

Q: What is Maria Del Carmen Lopez Santiago's NPI number?

The NPI number for Maria Del Carmen Lopez Santiago is 1003218272. It was assigned to this individual provider in the NPPES registry on September 19, 2014.

Q: What is Maria Del Carmen Lopez Santiago's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Active since September 19, 2014PECOS Enrolled

77.5/100

CMS Quality Rating

225 S CENTER AVE, SOMERSET, PA 15501(814) 443-5170 Get Directions Write a Review

NPPES record last updated: February 11, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 11, 2020, Jan 24, 2020, Feb 15, 2016 (3 updates tracked since 2016).

On this page

About Maria Del Carmen Lopez Santiago M.d. NPPES

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

MARIA DEL CARMEN LOPEZ SANTIAGO M.D. (NPI 1003218272) is an individual psychiatry provider in Somerset, Pennsylvania, licensed in Puerto Rico (13918-I) and active in the NPI registry since September 2014. She is enrolled in Medicare PECOS and maintains a secondary practice location in San Juan.

NPPES Registry Identity

NPI1003218272

Entity TypeIndividualFemale

Primary Taxonomy2084P0800X

Provider Legal NameMARIA DEL CARMEN LOPEZ SANTIAGOCredential: M.D.

Location Address225 S CENTER AVESomerset, PA 15501-2033

Mailing Address329 S Pleasant AveSomerset, PA 15501-2262 · (814) 445-5000

Phone(814) 443-5170

Sole ProprietorNo

Enumeration DateSeptember 19, 2014

Last NPPES UpdateFebruary 11, 20203 updates tracked since enumeration

✔ NPI 1003218272 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in PR · 13918-I

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

225 S CENTER AVE, Somerset, PA 15501

Open in Google Maps ↗

Secondary Practice Location 1

Location 1University District Hospital, PUERTO RICO MEDICAL CENTER BO. MONACILLOSSan Juan, PR 00935-0001 · Phone (787) 754-0101

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Maria Del Carmen Lopez Santiago M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

Medicare enrollment records show Maria Del Carmen Lopez Santiago reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Somerset Health Services, Inc.

1.3 mi

Neurology

126 E CHURCH ST STE 2300
Somerset, PA 15501

Reassigned Medicare billing, Pennsylvania enrollment
67 clinicians in this Medicare group

NPI 1174149975 (814) 444-6260

University Of Pittsburgh Physicians

49 mi

Internal Medicine

3436 WILLIAM PENN HWY, SUITE 166
Pittsburgh, PA 15235

Reassigned Medicare billing, Pennsylvania enrollment
7,114 clinicians in this Medicare group

NPI 1407985674 (412) 823-6222

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 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.

145 services20 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

77 services22 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.

16 services16 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.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 15501 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

$166.87 typical visit price

range $54.64 – $166.87

Typical copayment $41.71 (range $13.66 – $41.71)

Most-billed visit code 99205

Established Patient

$68.36 typical visit price

range $17.33 – $135.84

Typical copayment $17.09 (range $4.33 – $33.96)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

77.5/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

68.61

Promoting Interoperability

100

Improvement Activities

Cost

56.4

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.

UPMC SOMERSET

Medicare Defined Swing Bed Unit