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DR. ZACHARY HAMILTON MD
NPI 1598185845
Obstetrics & Gynecology in Cedar Park, TX

Active since April 24, 2014PECOS EnrolledAccepts Medicare Assignment
1401 MEDICAL PKWY STE 220, CEDAR PARK, TX 78613(512) 260-1581(512) 406-7309 Get Directions Write a Review

NPPES record last updated: June 18, 2021. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Jun 18, 2021, Nov 21, 2018, Jul 11, 2018 (3 updates tracked since 2018).

About Dr. Zachary Hamilton Md NPPES

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

DR. ZACHARY HAMILTON MD (NPI 1598185845) is an individual obstetrics & gynecology provider in Cedar Park, Texas, licensed in Texas (R3335) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with Christus Santa Rosa Hospital-san Marcos, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1598185845
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDR. ZACHARY HAMILTONCredential: MD
Location Address1401 MEDICAL PKWY STE 220Cedar Park, TX 78613
Mailing Address6210 E Hwy 290Austin, TX 78723-1142 · (512) 483-9596 · Fax (512) 406-6216
Phone(512) 260-1581
Fax(512) 406-7309
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateApril 24, 2014
Last NPPES UpdateJune 18, 20213 updates tracked since enumeration
NPPES CertifiedJune 18, 2021
✔ NPI 1598185845 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in TX · R3335
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
1401 MEDICAL PKWY STE 220, Cedar Park, TX 78613
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Other Identifiers 2

Medicaid388451202TX
Medicaid388451201TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Moda Health Plan, Inc..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

Dr. Zachary Hamilton Md 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 ID345590766
PECOS Enrollment IDI20180906000556
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 2

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.

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.
19 services12 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
16 services16 patients

Hospital Affiliations CMS Care Compare

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

Christus Santa Rosa Hospital-San Marcos

Acute Care Hospitals · San Marcos, TX
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number450272
Location1301 Wonder World DriveSan Marcos, TX 78666 · Hays County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78613 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
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
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.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. DAVID CHIH-WEI KUNG M.D.
Internal Medicine (Rheumatology)
1401 MEDICAL PKWY STE 220
CEDAR PARK, TX 78613
Williamson County (512) 260-1581
DR. JAYME BALDERSON EVANS JAYME EVANS
Obstetrics & Gynecology
1401 MEDICAL PKWY STE 220
CEDAR PARK, TX 78613
Williamson County (512) 260-1581
GUSHYALATHA BOYA MD
Internal Medicine
1401 MEDICAL PKWY STE 220
CEDAR PARK, TX 78613
Williamson County (512) 324-4083
DANIEL THOMAS HALLORAN DPM
Podiatrist (Foot & Ankle Surgery)
1401 MEDICAL PKWY STE 220
CEDAR PARK, TX 78613
Williamson County (512) 260-1581

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 Zachary Hamilton's NPI number?

The NPI number for Zachary Hamilton is 1598185845. It was assigned to this individual provider in the NPPES registry on April 24, 2014.

Where is Zachary Hamilton located?

Zachary Hamilton practices at 1401 Medical Pkwy Ste 220, Cedar Park, TX 78613. The listed phone number is (512) 260-1581.

What is Zachary Hamilton's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Zachary Hamilton enrolled in Medicare?

Yes. Zachary Hamilton 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 Zachary Hamilton accept?

Health plans from Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan and Moda Health Plan, Inc. list Zachary Hamilton 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 Zachary Hamilton affiliated with any hospitals?

According to CMS data, Zachary Hamilton is affiliated with Christus Santa Rosa Hospital-San Marcos.

When was this NPI record last updated?

The NPPES record for Zachary Hamilton was last updated on June 18, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.