Active NPI 1750328902 Individual Practitioner Female Practitioner

Dr. Diana Olguta Treaba , MD

Pathology - Anatomic Pathology • Providence, RI

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Diana Treaba, MD is a certified Pathology - Anatomic Pathology practicing in Providence, RI. With approximately 33 years of clinical experience since completing medical education in 1993, Dr. Treaba delivers high-quality medical care to the local community at 593 EDDY ST.

Dr. Treaba maintains professional affiliations with The Miriam Hospital, Newport Hospital, Rhode Island Hospital and accepts Medicare assignment.

Frequently performed procedures and clinical services include protein measurement, serum, special stained specimen slides to examine tissue, immunologic analysis technique on serum (immunofixation). Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

593 Eddy St
Department Of Pathology Apc-12

Providence, RI 029034923

Telephone 4017934247

Fax 4012745154

Associated Practice Facility / Clinic

🏢 Rhode Island Hospital Facility NPI 1588659528

Medicare Profile & Education

Medical School

Other

Graduation Year

1993

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Pathology - Anatomic Pathology in Providence, RI

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

33 Yrs +3.1 yrs vs City Avg

City Avg: 29.9 Yrs

State Avg: 29.9 Yrs

Regional Practice Density

31 Specialists

Practicing in Providence, RI (37 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

77.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Treaba (33 Years) 33 Yrs

Providence Specialty Average (29.9 Years) 29.9 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
84165 Protein measurement, serum	870	613	$69.00	$17.45
88341 Special stained specimen slides to examine tissue	761	84	$94.00	$27.09
86334 Immunologic analysis technique on serum (immunofixation)	298	252	$69.00	$17.43
88305 Pathology examination of tissue using a microscope, intermediate complexity	157	77	$207.00	$36.03
88342 Special stained specimen slides to examine tissue, initial procedure	102	85	$145.00	$33.73
84166 Protein measurement, body fluid	91	89	$69.00	$17.48
88188 Flow cytometry technique for dna or cell analysis, 9 to 15 markers	76	68	$184.00	$60.61
88313 Special stained specimen slides to examine tissue including interpretation and report	72	44	$74.00	$11.62
88108 Cell examination of specimen, concentration technique	61	43	$111.00	$21.79
88311 Preparation of tissue for examination by removing any calcium present	45	42	$52.00	$11.58
83020 Hemoglobin analysis and measurement, electrophoresis	45	41	$73.00	$17.49
88360 Microscopic genetic analysis of tumor	44	42	$181.00	$40.32
85097 Bone marrow, smear interpretation	42	37	$209.00	$47.17
88368 Microscopic genetic analysis of tissue	40	38	$230.00	$40.97
88369 Microscopic genetic analysis of tissue, manual, each additional procedure	40	38	$102.00	$32.56
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers	38	37	$224.00	$81.92
88365 Genetic sequencing localization, initial procedure	23	23	$355.00	$41.64
86335 Immunologic analysis technique on body fluid, other fluids with concentration	13	12	$69.00	$17.47

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88341 Special stained specimen slides to examine tissue	830	74	$88.64	$28.11
84165 Protein measurement, serum	749	547	$64.51	$17.82
86334 Immunologic analysis technique on serum (immunofixation)	227	190	$64.77	$17.82
88305 Pathology examination of tissue using a microscope, intermediate complexity	133	69	$196.47	$37.03
84166 Protein measurement, body fluid	130	124	$64.50	$17.83
88342 Special stained specimen slides to examine tissue, initial procedure	94	80	$137.23	$34.63
88313 Special stained specimen slides to examine tissue including interpretation and report	74	42	$89.41	$11.98
88188 Flow cytometry technique for dna or cell analysis, 9 to 15 markers	66	63	$174.55	$61.62
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers	40	37	$210.40	$84.10
88311 Preparation of tissue for examination by removing any calcium present	39	38	$48.62	$12.32
88108 Cell examination of specimen, concentration technique	39	34	$104.85	$22.29
85097 Bone marrow, smear interpretation	37	36	$196.84	$48.26
86335 Immunologic analysis technique on body fluid, other fluids with concentration	28	26	$65.07	$17.81
88365 Genetic sequencing localization, initial procedure	25	24	$422.64	$42.85
83020 Hemoglobin analysis and measurement, electrophoresis	19	17	$126.68	$17.83
88368 Microscopic genetic analysis of tissue	13	12	$260.69	$41.47
88369 Microscopic genetic analysis of tissue, manual, each additional procedure	13	12	$98.23	$32.89

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
84165 Protein measurement, serum	850	608	$64.00	$18.64
88341 Special stained specimen slides to examine tissue	774	76	$87.00	$28.54
86334 Immunologic analysis technique on serum (immunofixation)	229	199	$64.00	$18.63
88305 Pathology examination of tissue using a microscope, intermediate complexity	123	68	$193.00	$38.02
88342 Special stained specimen slides to examine tissue, initial procedure	88	78	$135.00	$35.22
88313 Special stained specimen slides to examine tissue including interpretation and report	88	51	$93.00	$12.32
84166 Protein measurement, body fluid	72	72	$64.00	$18.65
88108 Cell examination of specimen, concentration technique	57	47	$103.00	$22.93
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers	57	51	$208.00	$85.85
88188 Flow cytometry technique for dna or cell analysis, 9 to 15 markers	46	44	$171.00	$64.09
88311 Preparation of tissue for examination by removing any calcium present	43	40	$48.00	$12.67
85097 Bone marrow, smear interpretation	41	40	$304.34	$49.25
83020 Hemoglobin analysis and measurement, electrophoresis	22	20	$456.00	$18.64
88365 Genetic sequencing localization, initial procedure	20	20	$444.00	$44.42
88368 Microscopic genetic analysis of tissue	20	19	$302.00	$41.88
88369 Microscopic genetic analysis of tissue, manual, each additional procedure	20	19	$95.00	$32.72
86335 Immunologic analysis technique on body fluid, other fluids with concentration	12	11	$64.00	$18.68

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88341 Special stained specimen slides to examine tissue	949	91	$85.81	$29.27
84165 Protein measurement, serum	789	564	$64.00	$18.99
86334 Immunologic analysis technique on serum (immunofixation)	345	276	$64.00	$18.99
88305 Pathology examination of tissue using a microscope, intermediate complexity	157	84	$193.00	$38.76
84166 Protein measurement, body fluid	129	127	$64.00	$18.99
88342 Special stained specimen slides to examine tissue, initial procedure	110	97	$135.00	$36.25
88313 Special stained specimen slides to examine tissue including interpretation and report	97	54	$93.00	$12.55
88188 Flow cytometry technique for dna or cell analysis, 9 to 15 markers	67	63	$171.00	$64.57
85097 Bone marrow, smear interpretation	58	51	$350.00	$50.56
88108 Cell examination of specimen, concentration technique	45	37	$103.00	$23.33
86335 Immunologic analysis technique on body fluid, other fluids with concentration	44	44	$64.00	$18.99
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers	36	36	$208.00	$87.41
83020 Hemoglobin analysis and measurement, electrophoresis	29	26	$456.00	$18.99
88365 Genetic sequencing localization, initial procedure	27	25	$444.00	$45.20
88311 Preparation of tissue for examination by removing any calcium present	25	24	$48.00	$12.91
88307 Pathology examination of tissue using a microscope, moderately high complexity	18	11	$370.00	$85.81
88369 Microscopic genetic analysis of tissue, manual, each additional procedure	11	11	$95.00	$33.33
88368 Microscopic genetic analysis of tissue	11	11	$307.00	$42.66

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
84165 Protein measurement, serum	759	555	$64.00	$19.59
88341 Special stained specimen slides to examine tissue	639	61	$87.00	$30.35
86334 Immunologic analysis technique on serum (immunofixation)	348	291	$64.00	$19.58
84166 Protein measurement, body fluid	151	148	$64.00	$19.55
88305 Pathology examination of tissue using a microscope, intermediate complexity	128	65	$193.00	$40.37
88313 Special stained specimen slides to examine tissue including interpretation and report	102	50	$93.00	$12.95
88342 Special stained specimen slides to examine tissue, initial procedure	85	71	$135.00	$37.76
88188 Flow cytometry technique for dna or cell analysis, 9 to 15 markers	53	50	$171.00	$67.80
88108 Cell examination of specimen, concentration technique	49	41	$103.00	$24.07
85097 Bone marrow, smear interpretation	48	44	$350.00	$52.59
86335 Immunologic analysis technique on body fluid, other fluids with concentration	46	46	$64.00	$19.55
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers	25	25	$208.00	$91.06
88311 Preparation of tissue for examination by removing any calcium present	20	20	$48.00	$13.31
88365 Genetic sequencing localization, initial procedure	17	16	$444.00	$46.97
88368 Microscopic genetic analysis of tissue	12	11	$307.00	$44.55
88369 Microscopic genetic analysis of tissue, manual, each additional procedure	12	11	$95.00	$34.88

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88341 Special stained specimen slides to examine tissue	750	79	$58.73	$30.44
84165 Protein measurement, serum	737	560	$64.00	$19.06
86334 Immunologic analysis technique on serum (immunofixation)	330	274	$64.00	$19.06
84166 Protein measurement, body fluid	160	154	$64.00	$19.05
88305 Pathology examination of tissue using a microscope, intermediate complexity	119	64	$193.00	$40.31
88342 Special stained specimen slides to examine tissue, initial procedure	92	81	$135.00	$37.75
88313 Special stained specimen slides to examine tissue including interpretation and report	75	40	$93.00	$12.82
86335 Immunologic analysis technique on body fluid, other fluids with concentration	61	52	$64.00	$19.05
G0452 Molecular pathology procedure; physician interpretation and report	56	41	$40.00	$19.04
88188 Flow cytometry technique for dna or cell analysis, 9 to 15 markers	54	52	$171.00	$67.05
88108 Cell examination of specimen, concentration technique	43	42	$103.00	$23.83
85097 Bone marrow, smear interpretation	39	37	$350.00	$52.01
88365 Genetic sequencing localization, initial procedure	31	28	$444.00	$46.53
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers	27	26	$208.00	$89.74
88368 Microscopic genetic analysis of tissue	16	16	$307.00	$44.30
88369 Microscopic genetic analysis of tissue, manual, each additional procedure	16	16	$59.25	$34.41
88319 Evaluation of specimen enzymes	16	12	$90.13	$28.22

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
84165 Protein measurement, serum	723	555	$64.00	$19.03
88341 Special stained specimen slides to examine tissue	615	70	$49.00	$30.40
86334 Immunologic analysis technique on serum (immunofixation)	373	297	$64.00	$19.03
84166 Protein measurement, body fluid	177	161	$64.00	$19.03
88305 Pathology examination of tissue using a microscope, intermediate complexity	111	56	$193.00	$40.64
88342 Special stained specimen slides to examine tissue, initial procedure	82	71	$135.00	$38.08
88313 Special stained specimen slides to examine tissue including interpretation and report	78	43	$93.00	$12.80
86335 Immunologic analysis technique on body fluid, other fluids with concentration	62	54	$64.00	$19.03
88188 Flow cytometry technique for dna or cell analysis, 9 to 15 markers	47	44	$171.00	$66.92
G0452 Molecular pathology procedure; physician interpretation and report	47	31	$40.00	$19.02
85097 Bone marrow, smear interpretation	35	35	$350.00	$52.33
88108 Cell examination of specimen, concentration technique	34	27	$103.00	$24.18
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers	33	32	$208.00	$90.38
88311 Preparation of tissue for examination by removing any calcium present	28	28	$48.00	$13.55
88365 Genetic sequencing localization, initial procedure	20	20	$444.00	$47.23
88368 Microscopic genetic analysis of tissue	18	16	$307.00	$44.25
88369 Microscopic genetic analysis of tissue, manual, each additional procedure	18	16	$51.00	$34.37
83020 Hemoglobin analysis and measurement, electrophoresis	18	17	$456.00	$19.14
88187 Flow cytometry technique for DNA or cell analysis	14	14	$134.00	$49.17

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
84165 Protein measurement, serum	767	568	$64.00	$18.77
88341 Special stained specimen slides to examine tissue	742	73	$49.00	$29.86
86334 Immunologic analysis technique on serum (immunofixation)	395	324	$64.00	$18.77
84166 Protein measurement, body fluid	196	179	$64.00	$18.78
88313 Special stained specimen slides to examine tissue including interpretation and report	105	51	$93.00	$12.55
88342 Special stained specimen slides to examine tissue, initial procedure	93	73	$135.00	$37.38
88305 Pathology examination of tissue using a microscope, intermediate complexity	86	62	$193.00	$39.87
G0452 Molecular pathology procedure; physician interpretation and report	65	37	$40.00	$18.67
85097 Bone marrow, smear interpretation	51	45	$350.00	$51.18
86335 Immunologic analysis technique on body fluid, other fluids with concentration	49	44	$64.00	$18.74
88311 Preparation of tissue for examination by removing any calcium present	49	46	$48.00	$13.27
88188 Flow cytometry technique for dna or cell analysis, 9 to 15 markers	44	42	$171.00	$75.48
83020 Hemoglobin analysis and measurement, electrophoresis	26	24	$456.00	$18.80
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers	20	19	$208.00	$92.47

Medical Specialties & State Licenses

Pathology - Anatomic Pathology Primary Specialty

NUCC Taxonomy Code: 207ZP0101X

State License RI MD11989

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

7058359 (RI)

Hospital & Practice Group Affiliations

Rhode Island Hospital

593 Eddy St, Providence, RI 029034923

Phone: 4014443777

Newport Hospital

11 Friendship St, Newport, RI 028402209

Phone: 4018451110

The Miriam Hospital

164 Summit Ave, Providence, RI 029062853

Phone: 4017937245

Practice Associates & Co-Workers

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

2 Associated Practitioners

Dr. Lisa Goldstein , MD

Pathology - Anatomic Pathology

NPI 1053365684

Doctor of Medicine (M.D.)

Dr. Rogers Griffith , MD

Pathology - Anatomic Pathology

NPI 1306890892

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 593 EDDY ST, DEPARTMENT OF PATHOLOGY APC-12, PROVIDENCE, RI 029034923 (Tel: 4017934247)

📍

Updated Business Mailing Address July 08, 2007

Registered at 593 EDDY ST, DEPARTMENT OF PATHOLOGY APC-12, PROVIDENCE, RI 029034923 (Tel: 4017934247)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as DIANA TREABA, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Pathology (License #MD11989 in RI)

🟢

Initial NPI Registration & Enumeration May 31, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1750328902

Entity Type:

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

Enumeration Date: May 31, 2006

Last Update: July 13, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

593 Eddy St, Department Of Pathology Apc-12

Providence, RI 029034923

Phone: 4017934247

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.