DR. MICHAEL S. NORTHROP M.D.
NPI 1053585620
Pediatrics - Pediatric Critical Care Medicine in San Antonio, TX

Q: What is Michael Northrop's NPI number?

The NPI number for Michael Northrop is 1053585620. It was assigned to this individual provider in the NPPES registry on April 15, 2008.

Q: What is Michael Northrop's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.

Q: When was this NPI record last updated?

The NPPES record for Michael Northrop was last updated on January 20, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.

Active since April 15, 2008PECOS EnrolledAccepts Medicare Assignment

333 N SANTA ROSA ST, SAN ANTONIO, TX 78207(210) 704-3049(210) 704-4527 Get Directions Write a Review

NPPES record last updated: January 20, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Michael S. Northrop M.d. NPPES

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

DR. MICHAEL S. NORTHROP M.D. (NPI 1053585620) is an individual pediatric critical care medicine provider in San Antonio, Texas, licensed in Texas (P9418) and active in the NPI registry since April 2008. He is enrolled in Medicare PECOS and is a graduate of New York Medical College (2005).

NPPES Registry Identity

NPI1053585620

Entity TypeIndividualMale

Primary Taxonomy2080P0203X

Provider Legal NameDR. MICHAEL S. NORTHROPCredential: M.D.

Location Address333 N SANTA ROSA STSan Antonio, TX 78207-3108

Mailing Address315 San Saba Street, Suite 1135San Antonio, TX 78207-3108 · (210) 704-3049 · Fax (210) 704-4527

Phone(210) 704-3049

Fax(210) 704-4527

Sole ProprietorNo

Medical School CMSNew York Medical CollegeGraduated 2005

Enumeration DateApril 15, 2008

Last NPPES UpdateJanuary 20, 2017

✔ NPI 1053585620 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyPediatrics · Pediatric Critical Care MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2080P0203X

Licenses✔ Licensed in TX · P9418✔ Licensed in CO · DR0057057

Definition

A pediatrician expert in advanced life support for children from the term or near-term neonate to the adolescent. This competence extends to the critical care management of life-threatening organ system failure from any cause in both medical and surgical patients and to the support of vital physiological functions. This specialist may have administrative responsibilities for intensive care units and also facilitates patient care among other specialists.

Also ListedPediatricsTaxonomy 208000000X · License 0101243840 (VA)

Also ListedPediatrics · Neonatal-Perinatal MedicineTaxonomy 2080N0001X · License 0101243840 (VA)

Also ListedPediatrics · Pediatric Emergency MedicineTaxonomy 2080P0204X · License 0101243840 (VA)

333 N SANTA ROSA ST, San Antonio, TX 78207

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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

Dr. Michael S. Northrop 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 ID1850453127

PECOS Enrollment IDI20170615000608

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 Reassignment

Medicare enrollment records show Michael Northrop reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Wake Forest University Health Sciences

1,151 mi

Multi-Specialty

1303 GREENSBORO STREET EXT
Lexington, NC 27295

Reassigned Medicare billing, North Carolina enrollment
3,003 clinicians in this Medicare group

NPI 1639454499 (336) 716-2255

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

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.

CHRISTUS SANTA ROSA HEALTH CARE CORPORATION

Audiologist

333 N SANTA ROSA ST
SAN ANTONIO, TX 78207

Bexar County (210) 704-4708

DR. INGRID FRYDSON ANDRADE

Student in an Organized Health Care Education/Training Program

333 N SANTA ROSA ST, SUITE F3725
SAN ANTONIO, TX 78207

Bexar County (210) 704-3981

MARK BOSTON M.D.

Otolaryngology (Pediatric Otolaryngology)

333 N SANTA ROSA ST
SAN ANTONIO, TX 78207

Bexar County (210) 704-4039

ANDY GLENN SCOTT PA

Physician Assistant

333 N SANTA ROSA ST
SAN ANTONIO, TX 78207

Bexar County (210) 704-2190

APRIL D. SORRELL MD

Pediatrics (Pediatric Hematology-Oncology)

333 N SANTA ROSA ST
SAN ANTONIO, TX 78207

Bexar County (210) 704-4275

MEGAN MALCHAK OBRIEN MD

Pediatrics

333 N SANTA ROSA ST
SAN ANTONIO, TX 78207

Bexar County (210) 704-2190

HANNAH PHILLIPS RD

Dietitian, Registered

333 N SANTA ROSA ST
SAN ANTONIO, TX 78207

Bexar County (210) 704-4708

ERIN FLAHERTY D.O.

Obstetrics & Gynecology

333 N SANTA ROSA ST
SAN ANTONIO, TX 78207

Bexar County (210) 704-3235

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 Michael Northrop's NPI number?

The NPI number for Michael Northrop is 1053585620. It was assigned to this individual provider in the NPPES registry on April 15, 2008.

Where is Michael Northrop located?

Michael Northrop practices at 333 N Santa Rosa St, San Antonio, TX 78207. The listed phone number is (210) 704-3049.

What is Michael Northrop's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.

Is Michael Northrop enrolled in Medicare?

Yes. Michael Northrop 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 Michael Northrop's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Northrop reassigns Medicare benefits to Wake Forest University Health Sciences (Lexington, NC). 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 Michael Northrop's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Michael Northrop was last updated on January 20, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.