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NICOLAS A. MELGAREJO M.D.
NPI 1386882520
Internal Medicine - Infectious Disease in San Antonio, TX

Active since January 26, 2009PECOS EnrolledAccepts Medicare Assignment
59.06/100
CMS Quality Rating
343 W. HOUSTON ST., SUITE #808, SAN ANTONIO, TX 78205(210) 224-9616(210) 224-5822 Get Directions Write a Review

NPPES record last updated: June 28, 2011. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Nicolas A. Melgarejo M.d. NPPES

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

NICOLAS A. MELGAREJO M.D. (NPI 1386882520) is an individual infectious disease provider in San Antonio, Texas, licensed in Texas (N1763) and active in the NPI registry since January 2009. He is enrolled in Medicare PECOS, is affiliated with Baptist Medical Center, and is a graduate of Other (2003).

NPPES Registry Identity

NPI1386882520
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameNICOLAS A. MELGAREJOCredential: M.D.
Location Address343 W. HOUSTON ST., SUITE #808San Antonio, TX 78205
Mailing Address8042 Wurzbach Rd., #280San Antonio, TX 78229-3863 · (210) 224-9616 · Fax (210) 224-5822
Phone(210) 224-9616
Fax(210) 224-5822
Sole ProprietorNo
Medical School CMSOtherGraduated 2003
Enumeration DateJanuary 26, 2009
Last NPPES UpdateJune 28, 2011
✔ NPI 1386882520 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in TX · N1763
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
Also ListedInternal MedicineTaxonomy 207R00000X · License N1763 (TX)
343 W. HOUSTON ST., San Antonio, TX 78205
Open in Google Maps ↗

Other Identifiers 2

OtherB117780Medicare Id#
Medicaid219315301TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Nicolas A. Melgarejo 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.

PECOS PAC ID6709073711
PECOS Enrollment IDI20101202001147
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.

Areas of Expertise CMS Part B claims 6

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.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
163 services146 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.
124 services65 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.
104 services100 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
93 services48 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
81 services36 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
28 services17 patients

Hospital Affiliations CMS Care Compare 4

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

Baptist Medical Center

Acute Care Hospitals · San Antonio, TX
4/5 CMS rating
OwnershipProprietary
CMS Certification Number450058
Location111 Dallas StreetSan Antonio, TX 78205 · Bexar County
Emergency services Birthing friendly

Christus Santa Rosa Medical Center

Acute Care Hospitals · San Antonio, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number450237
Location2827 Babcock RoadSan Antonio, TX 78229 · Bexar County
Emergency services Birthing friendly

Methodist Hospital

Acute Care Hospitals · San Antonio, TX
4/5 CMS rating
OwnershipProprietary
CMS Certification Number450388
Location7700 Floyd Curl DrSan Antonio, TX 78229 · Bexar County
Emergency services Birthing friendly

Methodist Hospital Stone Oak

Acute Care Hospitals · San Antonio, TX
4/5 CMS rating
OwnershipProprietary
CMS Certification Number670055
Location1139 E Sonterra Blvd,San Antonio, TX 78258 · Bexar County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78205 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
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
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.

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.

59.06/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality54.53
Promoting Interoperability0
Improvement Activities40
Cost67.02

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 Nicolas Melgarejo's NPI number?

The NPI number for Nicolas Melgarejo is 1386882520. It was assigned to this individual provider in the NPPES registry on January 26, 2009.

Where is Nicolas Melgarejo located?

Nicolas Melgarejo practices at 343 W. Houston St. Suite #808, San Antonio, TX 78205. The listed phone number is (210) 224-9616.

What is Nicolas Melgarejo's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Nicolas Melgarejo enrolled in Medicare?

Yes. Nicolas Melgarejo 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.

What insurance does Nicolas Melgarejo accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 8 other insurers list Nicolas Melgarejo 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 Nicolas Melgarejo affiliated with any hospitals?

According to CMS data, Nicolas Melgarejo is affiliated with Baptist Medical Center, Christus Santa Rosa Medical Center, Methodist Hospital and Methodist Hospital Stone Oak.

When was this NPI record last updated?

The NPPES record for Nicolas Melgarejo was last updated on June 28, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.