Active NPI 1386617363 Individual Practitioner Male Practitioner

Dr. Mark Grathwohl , MD

Specialist • Mount Kisco, NY

Professional Overview & Biography Verified Profile Summary

Dr. Mark Grathwohl, MD is a registered healthcare professional specializing in Specialist in Mount Kisco, NY. Practice services are available at 400 E MAIN ST under active NPI credentials.

Frequently performed procedures and clinical services include pathology examination of tissue using a microscope, intermediate complexity, special stained specimen slides to identify organisms including interpretation and report, pathology examination of tissue using a microscope, moderately high complexity. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

400 E Main St
Westchester Pathology Associates

Mount Kisco, NY 105493417

Telephone 8455627995

Associated Practice Facility / Clinic

🏢 Northern Westchester Hospital Association Facility NPI 1912992215

Specialty Benchmarks & Practice Insights

Comparative analytics for Specialist in Mount Kisco, NY

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 39.7 Yrs

State Avg: 34.9 Yrs

Regional Practice Density

25 Specialists

Practicing in Mount Kisco, NY (23296 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

80.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

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	349	160	$194.81	$40.00
88312 Special stained specimen slides to identify organisms including interpretation and report	55	40	$139.86	$28.58
88307 Pathology examination of tissue using a microscope, moderately high complexity	50	15	$412.38	$88.26
88341 Special stained specimen slides to examine tissue	41	12	$110.00	$30.14
88112 Cell examination of specimen, selective cellular enhancement technique	35	29	$296.82	$29.75
88342 Special stained specimen slides to examine tissue, initial procedure	28	16	$182.00	$37.44
88304 Pathology examination of tissue using a microscope, moderately low complexity	25	20	$56.39	$12.42

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	741	317	$194.81	$40.38
88341 Special stained specimen slides to examine tissue	150	42	$110.00	$30.79
88307 Pathology examination of tissue using a microscope, moderately high complexity	136	46	$412.38	$90.37
88312 Special stained specimen slides to identify organisms including interpretation and report	132	90	$139.86	$28.87
88360 Microscopic genetic analysis of tumor	100	27	$287.46	$45.13
88342 Special stained specimen slides to examine tissue, initial procedure	83	55	$182.00	$37.78
88304 Pathology examination of tissue using a microscope, moderately low complexity	55	46	$56.39	$12.63
88311 Preparation of tissue for examination by removing any calcium present	29	26	$62.15	$13.76
88112 Cell examination of specimen, selective cellular enhancement technique	27	25	$296.82	$29.98
88333 Pathology cytologic examination of specimen during surgery, initial site	23	23	$312.93	$67.71
88302 Pathology examination of tissue using a microscope	15	13	$37.67	$7.82
88331 Pathology examination of specimen during surgery, first tissue block	14	11	$308.97	$67.73
88321 Surgical pathology consultation and report on referred slides prepared elsewhere	11	11	$450.00	$94.07

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	881	418	$194.81	$41.62
88341 Special stained specimen slides to examine tissue	245	64	$110.00	$31.39
88307 Pathology examination of tissue using a microscope, moderately high complexity	163	73	$412.38	$93.20
88312 Special stained specimen slides to identify organisms including interpretation and report	156	97	$139.86	$29.32
88360 Microscopic genetic analysis of tumor	126	34	$287.46	$46.10
88342 Special stained specimen slides to examine tissue, initial procedure	110	80	$182.00	$38.59
88311 Preparation of tissue for examination by removing any calcium present	86	82	$62.15	$14.29
88112 Cell examination of specimen, selective cellular enhancement technique	75	65	$296.82	$30.87
88304 Pathology examination of tissue using a microscope, moderately low complexity	64	57	$56.39	$13.00
88302 Pathology examination of tissue using a microscope	28	23	$37.67	$8.19
88331 Pathology examination of specimen during surgery, first tissue block	26	17	$308.97	$69.82
88173 Evaluation of fine needle aspirate with interpretation and report	21	16	$357.39	$79.36
88300 Pathology examination of tissue using a microscope, limited examination	20	17	$22.10	$5.53
88309 Pathology examination of tissue using a microscope, high complexity	19	16	$681.75	$162.69
88333 Pathology cytologic examination of specimen during surgery, initial site	16	16	$312.93	$69.06
88321 Surgical pathology consultation and report on referred slides prepared elsewhere	12	12	$450.00	$97.49

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	803	435	$194.81	$42.33
88341 Special stained specimen slides to examine tissue	202	56	$110.00	$32.41
88307 Pathology examination of tissue using a microscope, moderately high complexity	199	74	$412.38	$95.28
88360 Microscopic genetic analysis of tumor	134	36	$287.46	$47.43
88311 Preparation of tissue for examination by removing any calcium present	134	124	$62.15	$14.40
88312 Special stained specimen slides to identify organisms including interpretation and report	127	77	$139.86	$30.25
88342 Special stained specimen slides to examine tissue, initial procedure	99	75	$182.00	$39.73
88304 Pathology examination of tissue using a microscope, moderately low complexity	84	73	$56.39	$13.38
88112 Cell examination of specimen, selective cellular enhancement technique	65	55	$296.82	$31.54
88302 Pathology examination of tissue using a microscope	38	29	$37.67	$8.16
88333 Pathology cytologic examination of specimen during surgery, initial site	33	27	$312.93	$70.79
88331 Pathology examination of specimen during surgery, first tissue block	25	21	$308.97	$70.85
88173 Evaluation of fine needle aspirate with interpretation and report	21	15	$357.39	$81.44
88300 Pathology examination of tissue using a microscope, limited examination	20	20	$22.10	$5.63
88172 Evaluation of fine needle aspirate	16	11	$155.39	$40.66
88309 Pathology examination of tissue using a microscope, high complexity	14	14	$681.75	$166.80
88321 Surgical pathology consultation and report on referred slides prepared elsewhere	13	13	$450.00	$99.38

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	721	316	$194.81	$43.87
88341 Special stained specimen slides to examine tissue	125	25	$110.00	$32.99
88307 Pathology examination of tissue using a microscope, moderately high complexity	111	51	$412.38	$97.32
88312 Special stained specimen slides to identify organisms including interpretation and report	83	69	$139.86	$31.11
88311 Preparation of tissue for examination by removing any calcium present	52	49	$62.15	$14.83
88342 Special stained specimen slides to examine tissue, initial procedure	43	36	$182.00	$41.01
88104 Cell examination of body fluid, smears	29	23	$143.82	$32.51
88304 Pathology examination of tissue using a microscope, moderately low complexity	28	23	$56.39	$13.25
88173 Evaluation of fine needle aspirate with interpretation and report	24	16	$357.39	$83.03
88333 Pathology cytologic examination of specimen during surgery, initial site	24	17	$312.93	$73.14
88302 Pathology examination of tissue using a microscope	22	15	$37.67	$8.44
88112 Cell examination of specimen, selective cellular enhancement technique	21	18	$296.82	$32.41
88321 Surgical pathology consultation and report on referred slides prepared elsewhere	16	14	$450.00	$101.57
88309 Pathology examination of tissue using a microscope, high complexity	13	13	$681.75	$171.19

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	689	386	$194.81	$43.33
88341 Special stained specimen slides to examine tissue	159	32	$110.00	$32.57
88104 Cell examination of body fluid, smears	95	68	$143.82	$31.93
88307 Pathology examination of tissue using a microscope, moderately high complexity	93	64	$412.38	$95.18
88311 Preparation of tissue for examination by removing any calcium present	90	84	$62.15	$14.13
88312 Special stained specimen slides to identify organisms including interpretation and report	85	62	$139.86	$30.12
88304 Pathology examination of tissue using a microscope, moderately low complexity	53	47	$56.39	$12.83
88342 Special stained specimen slides to examine tissue, initial procedure	49	39	$182.00	$40.64
88173 Evaluation of fine needle aspirate with interpretation and report	39	28	$357.39	$80.59
88361 Microscopic genetic analysis of tumor, using computer-assisted technology	35	14	$314.19	$51.59
88302 Pathology examination of tissue using a microscope	31	24	$37.67	$8.14
88360 Microscopic genetic analysis of tumor	22	11	$287.46	$48.32
88321 Surgical pathology consultation and report on referred slides prepared elsewhere	22	22	$450.00	$96.69
88313 Special stained specimen slides to examine tissue including interpretation and report	20	12	$62.15	$13.90
88309 Pathology examination of tissue using a microscope, high complexity	15	15	$681.75	$160.95
88331 Pathology examination of specimen during surgery, first tissue block	14	13	$308.97	$68.55

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	918	460	$190.64	$43.60
88104 Cell examination of body fluid, smears	145	97	$114.96	$32.51
88341 Special stained specimen slides to examine tissue	123	27	$119.76	$32.51
88307 Pathology examination of tissue using a microscope, moderately high complexity	113	54	$357.26	$96.25
88312 Special stained specimen slides to identify organisms including interpretation and report	97	66	$114.67	$30.49
88311 Preparation of tissue for examination by removing any calcium present	88	82	$50.57	$14.73
88304 Pathology examination of tissue using a microscope, moderately low complexity	73	51	$77.30	$13.57
88313 Special stained specimen slides to examine tissue including interpretation and report	66	31	$61.85	$13.88
88361 Microscopic genetic analysis of tumor, using computer-assisted technology	59	16	$220.94	$54.05
88342 Special stained specimen slides to examine tissue, initial procedure	41	34	$144.46	$40.99
88173 Evaluation of fine needle aspirate with interpretation and report	37	24	$265.59	$81.71
88331 Pathology examination of specimen during surgery, first tissue block	22	18	$266.04	$73.06
88302 Pathology examination of tissue using a microscope	20	19	$56.27	$8.55
88172 Evaluation of fine needle aspirate	18	12	$149.88	$41.91
88112 Cell examination of specimen, selective cellular enhancement technique	17	13	$296.82	$32.08
88321 Surgical pathology consultation and report on referred slides prepared elsewhere	16	15	$324.00	$97.79
88309 Pathology examination of tissue using a microscope, high complexity	13	13	$518.83	$170.90

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	819	416	$187.00	$43.46
88104 Cell examination of body fluid, smears	176	114	$94.00	$32.18
88361 Microscopic genetic analysis of tumor, using computer-assisted technology	170	37	$157.00	$66.71
88341 Special stained specimen slides to examine tissue	158	27	$124.21	$32.50
88307 Pathology examination of tissue using a microscope, moderately high complexity	148	66	$305.00	$96.66
88304 Pathology examination of tissue using a microscope, moderately low complexity	86	68	$120.00	$13.57
88342 Special stained specimen slides to examine tissue, initial procedure	75	45	$125.00	$40.99
88312 Special stained specimen slides to identify organisms including interpretation and report	60	45	$91.00	$29.88
88173 Evaluation of fine needle aspirate with interpretation and report	54	39	$203.00	$79.76
88313 Special stained specimen slides to examine tissue including interpretation and report	46	23	$61.00	$13.88
88311 Preparation of tissue for examination by removing any calcium present	43	40	$48.00	$14.73
88302 Pathology examination of tissue using a microscope	30	24	$79.00	$8.55
88331 Pathology examination of specimen during surgery, first tissue block	29	22	$246.00	$72.61
88172 Evaluation of fine needle aspirate	21	13	$143.00	$41.90
88309 Pathology examination of tissue using a microscope, high complexity	20	20	$417.00	$170.86
88321 Surgical pathology consultation and report on referred slides prepared elsewhere	20	16	$226.00	$98.23
88329 Pathology examination of specimen during surgery	14	11	$189.00	$42.71

Medical Specialties & State Licenses

Specialist Primary Specialty

NUCC Taxonomy Code: 174400000X

State License NY 172619-1

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Additional State Medicaid & Healthcare Payer Identifiers

Commercial Insurance / Payer ID Blue Cross Provider#

2H0531 (NY)

Practice Associates & Co-Workers

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

11 Associated Practitioners

Dr. Beth Breakstone , MD

Specialist

NPI 1043285158

Doctor of Medicine (M.D.)

Dr. Vildan Manzo , MD

Specialist

NPI 1063485043

Doctor of Medicine (M.D.)

Dr. Yu Wang , MD

Specialist

NPI 1194798736

Doctor of Medicine (M.D.)

Dr. Ron Friedman , MD

Specialist

NPI 1215900873

Doctor of Medicine (M.D.)

Dr. Bernard Traub , MD

Specialist

NPI 1285607325

Doctor of Medicine (M.D.)

Dr. Diane Schecter , MD

Specialist

NPI 1336112457

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 December 31, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location December 31, 2013

Registered at 400 E MAIN ST, WESTCHESTER PATHOLOGY ASSOCIATES, MOUNT KISCO, NY 105493417 (Tel: 8455627995)

📍

Updated Business Mailing Address December 31, 2013

Registered at 10 LOUISE DR, NEW WINDSOR, NY 125537712 (Tel: 8455627995)

👤

Provider Name / Credentials Updated December 31, 2013

Recorded as MARK GRATHWOHL, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 31, 2013

Specialist (License #172619-1 in NY)

🟢

Initial NPI Registration & Enumeration February 09, 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: 1386617363

Entity Type:

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

Enumeration Date: February 09, 2006

Last Update: December 31, 2013

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

10 Louise Dr

New Windsor, NY 125537712

Phone: 8455627995

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.