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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ROBERT NATHAN LOWRY M.D.
NPI 1801232129
Anesthesiology in Round Rock, TX

Active since May 14, 2013PECOS EnrolledAccepts Medicare Assignment
300 UNIVERSITY BLVD, ROUND ROCK, TX 78665(512) 509-0100(512) 218-6330 Get Directions Write a Review

NPPES record last updated: October 13, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 13, 2026, Mar 7, 2023, Feb 2, 2023 and 5 more (8 updates tracked since 2018).

About Robert Nathan Lowry M.d. NPPES

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

ROBERT NATHAN LOWRY M.D. (NPI 1801232129) is an individual anesthesiology provider in Round Rock, Texas, licensed in Colorado (DR.0075947) and active in the NPI registry since May 2013. He is enrolled in Medicare PECOS, maintains 6 additional practice locations, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1801232129
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameROBERT NATHAN LOWRYCredential: M.D.
Location Address300 UNIVERSITY BLVDRound Rock, TX 78665-1032
Mailing Address12911 W 40th AveLakewood, CO 80401-2696 · (303) 422-9438
Phone(512) 509-0100
Fax(512) 218-6330
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateMay 14, 2013
Last NPPES UpdateOctober 13, 20268 updates tracked since enumeration
NPPES CertifiedOctober 13, 2026
✔ NPI 1801232129 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in CO · DR.0075947✔ Licensed in TX · T1445✔ Licensed in CA · A147905
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License DR.0075947 (CO), A147905 (CA)
300 UNIVERSITY BLVD, Round Rock, TX 78665
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Secondary Practice Locations 6

Location 134 Mark West Springs Rd Fl 2Santa Rosa, CA 95403 · Phone (707) 576-4500 · Fax (707) 541-9108
Location 22401 S 31st StTemple, TX 76508 · Phone (254) 724-2111
Location 37100 E Belleview Ave Ste G10Greenwood Village, CO 80111-1634 · Phone (303) 745-0000
Location 42455 Bennett Valley Rd Ste C219Santa Rosa, CA 95404-5651 · Phone (707) 524-4690 · Fax (707) 524-4687
Location 5185 Sotoyome StSanta Rosa, CA 95405-4803 · Phone (707) 303-1709
Location 61165 Montgomery DrSanta Rosa, CA 95405-4801 · Phone (707) 303-1709 · Fax (707) 303-3912

Other Identifiers 1

OtherA147905CA · State Medical License

Accepted Insurance

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

Robert Nathan Lowry 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 ID3476835521
PECOS Enrollment IDI20180727002453, I20260121001361
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 Robert Lowry reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cogent Healthcare Of Texas, PA
169 mi
Internal Medicine
8200 WALNUT HILL LN
Dallas, TX 75231
  • Reassigned Medicare billing, Texas enrollment
  • 1,208 clinicians in this Medicare group
NPI 1992722953 (214) 345-7585
Physician Anesthesia Services PC
762 mi
Anesthesiology
12911 W 40TH AVE
Golden, CO 80401
  • Reassigned Medicare billing, Colorado enrollment
  • 171 clinicians in this Medicare group
NPI 1861476590 (330) 321-6552
Providence Medical Foundation
1,171 mi
Urology
19333 BEAR VALLEY RD, SUITE 106
Apple Valley, CA 92308
  • Reassigned Medicare billing, California enrollment
  • 1,699 clinicians in this Medicare group
NPI 1053616706 (760) 240-5505
Anesthesia & Analgesia Medical Group, Inc.
1,521 mi
Anesthesiology
2455 BENNETT VALLEY RD STE C219
Santa Rosa, CA 95404
  • Reassigned Medicare billing, California enrollment
  • 140 clinicians in this Medicare group
NPI 1659320984 (707) 522-1800

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 5

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
242 services129 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.
60 services44 patients
Critical care, each additional 30 minutes 99292
Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.
18 services15 patients
Emergent insertion of breathing tube into windpipe using an endoscope 31500
This is a procedure where a thin tube is inserted into your windpipe to aid in breathing. It's done in emergency situations, using an endoscope, a tool with a light and camera, to ensure correct placement.
14 services14 patients
Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
12 services11 patients

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.

BRENNEN J. BEATTY MD
Emergency Medicine
300 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Williamson County (512) 509-0100
KATHLEEN SUSAN GRADY-GREENE ARNP
Nurse Practitioner (Neonatal)
300 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Williamson County (512) 509-0200
MATTHEW RYAN DANLEY D.O.
Anesthesiology
300 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Williamson County (512) 509-0100
CODY R. QUIRK M.D.
Radiology (Diagnostic Radiology)
300 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Williamson County (512) 509-0100
CAITLIN O'CONNOR CRNA
Nurse Anesthetist, Certified Registered
300 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Williamson County (512) 509-0100
MARCEL ALBERT GRAF AA-C
Anesthesiologist Assistant
300 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Williamson County (512) 509-0200
SADIE JOHNSON RN
Registered Nurse
300 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Williamson County (940) 595-0169
DR. JACLYN NGOC MINH NGUYEN MD
Emergency Medicine
300 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Williamson County (512) 509-0100

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 Robert Lowry's NPI number?

The NPI number for Robert Lowry is 1801232129. It was assigned to this individual provider in the NPPES registry on May 14, 2013.

Where is Robert Lowry located?

Robert Lowry practices at 300 University Blvd, Round Rock, TX 78665. The listed phone number is (512) 509-0100.

What is Robert Lowry's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Robert Lowry enrolled in Medicare?

Yes. Robert Lowry 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 Robert Lowry's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Lowry reassigns Medicare benefits to 4 organizations: Cogent Healthcare Of Texas, PA (Dallas, TX), Physician Anesthesia Services PC (Golden, CO), Providence Medical Foundation (Apple Valley, CA) and Anesthesia & Analgesia Medical Group, Inc. (Santa Rosa, CA). 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 Robert Lowry's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Robert Lowry accept?

Health plans from Blue Cross and Blue Shield of Texas list Robert Lowry 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 Robert Lowry was last updated on October 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 days 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.