NYASHA ONIKA BULLOCK M.D.
NPI 1932337631
Pathology - Anatomic Pathology & Clinical Pathology in Houston, TX

Q: What is Nyasha Bullock's NPI number?

The NPI number for Nyasha Bullock is 1932337631. It was assigned to this individual provider in the NPPES registry on July 1, 2009. The provider is also known as Nyasha Onika Mornix.

Q: What is Nyasha Bullock's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Q: When was this NPI record last updated?

The NPPES record for Nyasha Bullock was last updated on May 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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 July 01, 2009PECOS EnrolledAccepts Medicare Assignment

4131 DIRECTORS ROW, HOUSTON, TX 77092(877) 697-2447(855) 697-2447 Get Directions Write a Review

NPPES record last updated: May 4, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Nyasha Onika Bullock M.d. NPPES

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

NYASHA ONIKA BULLOCK M.D. (NPI 1932337631) is an individual anatomic pathology & clinical pathology provider in Houston, Texas, licensed in Texas (U3080) and active in the NPI registry since July 2009. She is enrolled in Medicare PECOS, is affiliated with Campbell County Health, and is a graduate of Other (2003).

NPPES Registry Identity

NPI1932337631

Entity TypeIndividualFemale

Primary Taxonomy207ZP0102X

Provider Legal NameNYASHA ONIKA BULLOCKCredential: M.D.

Location Address4131 DIRECTORS ROWHouston, TX 77092-8703

Mailing Address4131 Directors RowHouston, TX 77092-8703 · (877) 697-2447 · Fax (855) 697-2447

Phone(877) 697-2447

Fax(855) 697-2447

Sole ProprietorNo

Medical School CMSOtherGraduated 2003

Enumeration DateJuly 1, 2009

Last NPPES UpdateMay 4, 2026

NPPES CertifiedMay 4, 2026

✔ NPI 1932337631 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0102X

Licenses✔ Licensed in TX · U3080✔ Licensed in WY · 10604A

Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

Also ListedPathology · CytopathologyTaxonomy 207ZC0500X · License 10604A (WY)

4131 DIRECTORS ROW, Houston, TX 77092

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Other Names 1

Other Name (5)Nyasha Onika Mornix

Accepted Insurance

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

Nyasha Onika Bullock 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 ID8022396530

PECOS Enrollment IDI20161102002868

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 Nyasha Bullock reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sagis, PLLC

Same address

Anatomic Pathology & Clinical Pathology

4131 DIRECTORS ROW, 4131 DIRECTORS ROW
Houston, TX 77092

Reassigned Medicare billing, Texas enrollment
52 clinicians in this Medicare group

NPI 1548549066 (877) 697-2447

J S Wilkenfeld MD & Associates

3.4 mi

Anatomic Pathology & Clinical Pathology

4200 TWELVE OAKS PLACE
Houston, TX 77027

Reassigned Medicare billing, Texas enrollment
42 clinicians in this Medicare group

NPI 1871630509 (713) 980-7900

Clear Lake Pathology Partners Ltd

7.2 mi

Anatomic Pathology & Clinical Pathology

6441 MAIN STREET
Houston, TX 77030

Reassigned Medicare billing, Texas enrollment
28 clinicians in this Medicare group

NPI 1881757458 (713) 790-0500

Alliance Pathology Consultants PA

20 mi

Anatomic Pathology & Clinical Pathology

300 KINGWOOD MEDICAL DRIVE, STE 100
Kingwood, TX 77339

Reassigned Medicare billing, Texas enrollment
35 clinicians in this Medicare group

NPI 1699707943 (281) 312-4000

Houston Pathology Associates

62 mi

Anatomic Pathology & Clinical Pathology

110 MEMORIAL HOSPITAL DR
Huntsville, TX 77340

Reassigned Medicare billing, Texas enrollment
38 clinicians in this Medicare group

NPI 1952385676 (936) 291-4276

Professional Pathology Of Wyoming

1,082 mi

Anatomic Pathology & Clinical Pathology

111 SOUTH JEFFERSON STREET
Casper, WY 82601

Reassigned Medicare billing, Wyoming enrollment
6 clinicians in this Medicare group

NPI 1801181730 (307) 337-1670

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 14

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.

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

731 services349 patients

Pathology examination of tissue using a microscope, intermediate complexity 88305

531 services330 patients

Special stained specimen slides to examine tissue, initial procedure 88342

This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.

108 services100 patients

Pathology examination of tissue using a microscope, moderately low complexity 88304

A pathology examination of tissue, moderately low complexity, involves studying a small sample of your body tissue under a microscope. It helps to identify any abnormal cells or diseases. It's a routine procedure, not complex, and provides crucial insights for your diagnosis.

99 services85 patients

Special stained specimen slides to examine tissue including interpretation and report 88313

Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.

92 services81 patients

Pathology examination of tissue using a microscope, moderately low complexity 88304

64 services49 patients

Special stained specimen slides to examine tissue, initial procedure 88342

63 services59 patients

Cell examination of specimen, selective cellular enhancement technique 88112

Cell examination of a specimen using selective cellular enhancement technique is a lab process that improves the visibility of certain cells in a sample. It helps in identifying abnormalities or diseases. The process is non-invasive, safe, and aids in accurate diagnosis.

59 services55 patients

Pathology examination of specimen during surgery, first tissue block 88331

A pathology examination during surgery involves the immediate analysis of a removed tissue sample. This helps the surgeon make decisions during your operation. The "first tissue block" refers to the initial sample examined. It's a vital step to ensure your health.

53 services34 patients

Pathology examination of tissue using a microscope, moderately high complexity 88307

A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.

51 services33 patients

Special stained specimen slides to examine tissue, each additional procedure 88341

Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.

43 services17 patients

Microscopic genetic analysis of tumor, using computer-assisted technology 88361

Microscopic genetic analysis of a tumor uses advanced computer technology to examine the genetic makeup of the tumor cells. This helps to understand the tumor better and tailor a treatment plan. It's a non-invasive procedure and provides valuable insights for your healthcare team.

37 services12 patients

Special stained specimen slides to examine tissue, each additional procedure 88341

36 services20 patients

Pathology examination of tissue using a microscope, moderately high complexity 88307

19 services14 patients

Hospital Affiliations CMS Care Compare

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

Campbell County Health

Acute Care Hospitals · Gillette, WY

2/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number530002

Location501 South Burma AvenueGillette, WY 82716 · Campbell County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77092 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

$134.06 typical visit price

range $58.24 – $176.98

Typical copayment $33.51 (range $14.56 – $44.24)

Most-billed visit code 99204

Established Patient

$102.71 typical visit price

range $18.60 – $143.93

Typical copayment $25.67 (range $4.65 – $35.98)

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.

Other Providers at the Same Location NPPES 13

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

DR. MARK R MATTHEWS M.D.

Pathology (Anatomic Pathology)