Active NPI 1932293701 Individual Practitioner Male Practitioner

Dr. Timothy J. Mcdonnell , MD, PhD

Pathology - Anatomic Pathology • Houston, TX

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Timothy Mcdonnell, MD, PhD is a certified Pathology - Anatomic Pathology practicing in Houston, TX. With approximately 40 years of clinical experience since graduating from Washington University School Of Medicine in 1986, Dr. Mcdonnell delivers high-quality medical care to the local community at 1515 HOLCOMBE BLVD.

Dr. Mcdonnell accepts Medicare assignment.

Frequently performed procedures and clinical services include pathology examination of tissue using a microscope, intermediate complexity, bone marrow, smear interpretation, special stained specimen slides to examine tissue. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1515 Holcombe Blvd

Houston, TX 770304009

Telephone 7137926161

Associated Practice Facility / Clinic

🏢 University Of Texas M. D. Anderson Cancer Center Facility NPI 1174582050

Medicare Profile & Education

Medical School

Washington University School Of Medicine

Graduation Year

1986

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Pathology - Anatomic Pathology in Houston, TX

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

40 Yrs +8.9 yrs vs City Avg

City Avg: 31.1 Yrs

State Avg: 26.5 Yrs

Regional Practice Density

69 Specialists

Practicing in Houston, TX (166 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

92.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Mcdonnell (40 Years) 40 Yrs

Houston Specialty Average (31.1 Years) 31.1 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	731	362	$368.82	$35.53
85097 Bone marrow, smear interpretation	378	352	$394.25	$46.91
88341 Special stained specimen slides to examine tissue	358	110	$203.59	$26.81
88311 Preparation of tissue for examination by removing any calcium present	338	312	$121.64	$11.59
88313 Special stained specimen slides to examine tissue including interpretation and report	194	95	$133.07	$11.53
88342 Special stained specimen slides to examine tissue, initial procedure	190	166	$260.47	$33.24
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers	78	78	$2204.08	$81.73
88188 Flow cytometry technique for dna or cell analysis, 9 to 15 markers	40	38	$1256.25	$60.40
88187 Flow cytometry technique for DNA or cell analysis	33	33	$503.06	$35.02
88321 Surgical pathology consultation and report on referred slides prepared elsewhere	27	27	$332.15	$81.61
88319 Evaluation of specimen enzymes	18	15	$303.89	$25.80

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	718	344	$355.67	$36.75
85097 Bone marrow, smear interpretation	365	325	$379.99	$48.09
88341 Special stained specimen slides to examine tissue	340	112	$197.05	$27.97
88311 Preparation of tissue for examination by removing any calcium present	330	292	$116.91	$12.28
88313 Special stained specimen slides to examine tissue including interpretation and report	172	81	$127.83	$11.97
88342 Special stained specimen slides to examine tissue, initial procedure	165	140	$251.38	$34.45
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers	68	67	$2137.82	$83.13
88321 Surgical pathology consultation and report on referred slides prepared elsewhere	40	40	$320.80	$83.90
88187 Flow cytometry technique for DNA or cell analysis	36	32	$488.50	$35.61
88360 Microscopic genetic analysis of tumor	31	24	$344.00	$41.30
88188 Flow cytometry technique for dna or cell analysis, 9 to 15 markers	26	26	$1212.38	$62.31
88319 Evaluation of specimen enzymes	17	15	$294.53	$26.61
88344 Special stained specimen slides to examine tissue	16	14	$359.69	$37.85

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	715	358	$341.41	$38.19
85097 Bone marrow, smear interpretation	381	343	$364.69	$49.37
88311 Preparation of tissue for examination by removing any calcium present	318	292	$111.57	$12.70
88341 Special stained specimen slides to examine tissue	301	110	$188.50	$28.62
88342 Special stained specimen slides to examine tissue, initial procedure	178	143	$240.75	$35.46
88313 Special stained specimen slides to examine tissue including interpretation and report	159	87	$122.51	$12.34
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers	79	77	$2047.63	$83.65
88360 Microscopic genetic analysis of tumor	66	54	$336.15	$42.49
88187 Flow cytometry technique for DNA or cell analysis	42	39	$465.98	$34.27
88321 Surgical pathology consultation and report on referred slides prepared elsewhere	36	36	$308.06	$85.83
88323 Surgical pathology consultation and report on referred material requiring preparation of slides	18	18	$354.44	$88.98
88344 Special stained specimen slides to examine tissue	15	11	$342.80	$39.04

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	585	304	$329.43	$38.71
85097 Bone marrow, smear interpretation	322	294	$351.68	$50.38
88311 Preparation of tissue for examination by removing any calcium present	258	241	$107.47	$12.87
88341 Special stained specimen slides to examine tissue	208	72	$180.68	$29.46
88342 Special stained specimen slides to examine tissue, initial procedure	109	102	$231.64	$36.29
88313 Special stained specimen slides to examine tissue including interpretation and report	101	54	$117.73	$12.55
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers	63	63	$1974.90	$86.80
88360 Microscopic genetic analysis of tumor	59	40	$323.49	$43.49
88321 Surgical pathology consultation and report on referred slides prepared elsewhere	29	29	$296.55	$87.01
88187 Flow cytometry technique for DNA or cell analysis	25	25	$450.76	$36.15
88323 Surgical pathology consultation and report on referred material requiring preparation of slides	11	11	$337.00	$90.22

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	654	325	$317.58	$40.15
85097 Bone marrow, smear interpretation	377	335	$339.17	$52.19
88311 Preparation of tissue for examination by removing any calcium present	279	252	$103.32	$13.23
88313 Special stained specimen slides to examine tissue including interpretation and report	140	69	$113.43	$12.85
88341 Special stained specimen slides to examine tissue	137	55	$174.15	$30.12
88342 Special stained specimen slides to examine tissue, initial procedure	108	95	$224.41	$37.54
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers	65	65	$1902.49	$90.30
88323 Surgical pathology consultation and report on referred material requiring preparation of slides	29	29	$333.28	$93.22
88187 Flow cytometry technique for DNA or cell analysis	28	28	$435.29	$40.05
88321 Surgical pathology consultation and report on referred slides prepared elsewhere	20	20	$282.00	$89.02
88319 Evaluation of specimen enzymes	14	12	$260.86	$28.83

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	609	338	$306.40	$40.15
85097 Bone marrow, smear interpretation	376	338	$326.54	$51.75
88311 Preparation of tissue for examination by removing any calcium present	232	219	$99.28	$13.13
88341 Special stained specimen slides to examine tissue	86	40	$168.44	$30.31
88313 Special stained specimen slides to examine tissue including interpretation and report	83	45	$109.49	$12.77
88342 Special stained specimen slides to examine tissue, initial procedure	63	60	$216.05	$37.59
88321 Surgical pathology consultation and report on referred slides prepared elsewhere	62	62	$274.42	$88.22
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers	50	49	$1886.00	$89.32
88187 Flow cytometry technique for DNA or cell analysis	20	19	$419.25	$37.51

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	669	374	$303.00	$39.96
85097 Bone marrow, smear interpretation	427	373	$323.00	$51.41
88311 Preparation of tissue for examination by removing any calcium present	250	227	$98.00	$13.30
88313 Special stained specimen slides to examine tissue including interpretation and report	97	55	$108.00	$12.59
88341 Special stained specimen slides to examine tissue	78	43	$166.00	$29.88
88342 Special stained specimen slides to examine tissue, initial procedure	69	61	$213.00	$37.43
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers	44	43	$1886.00	$88.89
88321 Surgical pathology consultation and report on referred slides prepared elsewhere	43	43	$272.00	$88.12
88187 Flow cytometry technique for DNA or cell analysis	19	19	$414.00	$46.17
88319 Evaluation of specimen enzymes	19	16	$249.00	$28.08
88188 Flow cytometry technique for dna or cell analysis, 9 to 15 markers	13	12	$1033.00	$66.67

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	653	372	$303.00	$39.05
85097 Bone marrow, smear interpretation	414	371	$323.00	$50.24
88311 Preparation of tissue for examination by removing any calcium present	239	214	$98.00	$13.00
88341 Special stained specimen slides to examine tissue	114	49	$166.00	$29.05
88313 Special stained specimen slides to examine tissue including interpretation and report	112	61	$108.00	$12.35
88342 Special stained specimen slides to examine tissue, initial procedure	85	74	$213.00	$36.69
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers	60	58	$1886.00	$90.37
88321 Surgical pathology consultation and report on referred slides prepared elsewhere	44	44	$272.00	$85.70
88187 Flow cytometry technique for DNA or cell analysis	26	26	$414.00	$58.34

Medical Specialties & State Licenses

Pathology - Anatomic Pathology Primary Specialty

NUCC Taxonomy Code: 207ZP0101X

State License TX H9683

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

036674201 (TX)

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners

Dr. Merry Chen , MD

Psychiatry & Neurology - Neurology

NPI 1003022013

Doctor of Medicine (M.D.)

Dr. Ameena Malhotra , MD

Internal Medicine - Nephrology

NPI 1003046822

Doctor of Medicine (M.D.)

Dr. Bryan Guillory , MD

Pathology - Anatomic Pathology & Clinical Pathology

NPI 1003102674

Doctor of Medicine (M.D.)

Dr. January Tsai , MD

Anesthesiology

NPI 1003121237

Doctor of Medicine (M.D.)

Dr. Sunyoung Lee , MD

Internal Medicine - Medical Oncology

NPI 1003159054

Doctor of Medicine (M.D.)

Rachel Futrell , PA-C

Physician Assistant

NPI 1003193350

Physician Assistant (Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events

✅

NPI Profile Active July 05, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location July 05, 2012

Registered at 1515 HOLCOMBE BLVD, HOUSTON, TX 770304009 (Tel: 7137926161)

📍

Updated Business Mailing Address July 05, 2012

Registered at PO BOX 4439, HOUSTON, TX 772104439 (Tel: 7137922991)

👤

Provider Name / Credentials Updated July 05, 2012

Recorded as TIMOTHY MCDONNELL, M.D., PHD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 05, 2012

Pathology (License #H9683 in TX)

🟢

Initial NPI Registration & Enumeration October 03, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews

No patient reviews submitted yet for Dr. Timothy Mcdonnell. Be the first to share your experience!

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1932293701

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: October 03, 2006

Last Update: July 05, 2012

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 4439

Houston, TX 772104439

Phone: 7137922991

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.