Mary Ambrose , MA CCC-SLP
Speech-Language Pathologist • Ashburn, VA
21160 Maple Branch Ter
Ashburn, VA 201476160
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
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Mary Ambrose is listed in NPPES under Speech-Language Pathologist.
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NPI assigned on November 15, 2016; this date does not establish years in practice.
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Published CMS data list 418 Original Medicare Part B services in 2024.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Published rows only; this is not a quality measure.
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Published Part B service records, 2024:
- 97130 — Therapy procedure for a range of mental processes: 207 service units.
- 92507 — Treatment of speech, language, voice, communication, and/or hearing processing disorder: 104 service units.
- 97129 — Therapy procedure for a range of mental processes: 90 service units.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Units differ by code; these are not visits or a measure of quality.
CPT® only copyright 2023 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2024). CPT notice
See all 4 records in the table · Guide: How to read Medicare Part B data
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Close to the middle for Medicare Part B services among clinicians listed under Speech-Language Pathologist in Virginia (2024, 60 clinicians with data). Median for this group: 549. Middle half: 234 to 1,102.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Billing and prescribing volume is not a quality rating.
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Medicare Part B services went from 672 in 2019 to 418 in 2024.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2019–2024.
Practice Location & Contact Primary Location
21160 Maple Branch Ter
Ashburn, VA 201476160
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
CMS Doctors and Clinicians lists 1 group name: Comprehensive Therapeutics Ltd. See the list
Source: CMS Doctors and Clinicians National Downloadable File, release date unavailable.
Listings do not confirm current availability, employment or a shared ownership network.
Medicare Profile & Education
Source: CMS Doctors and Clinicians National Downloadable File
1990
What Public CMS Data Show
Speech-Language Pathologist: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare patients
37 people with Original Medicare in 2024
It gives a sense of how many people with Medicare this clinician treated that year.
Source: CMS, Medicare Physician & Other Practitioners – by Provider, 2024.
Medicare-allowed amount
About $17,003 in 2024
The total amount Medicare approved for these services in 2024. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.
It shows the total cost of this clinician's Original Medicare services under Medicare's fee rules.
What this does not show: Medicare-allowed amount
This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024.
Paid by Medicare
About $13,415 in 2024
The part of the Medicare-allowed amount that Medicare itself paid in 2024, after patients' deductibles and coinsurance.
The gap between the allowed amount and this number is roughly what patients and their other insurance paid.
What this does not show: Paid by Medicare
This is not the clinician's income and not a measure of quality.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024.
Years since graduation
36 years (graduated 1990)
CMS Doctors and Clinicians data list 1990 as the year this clinician finished professional school.
It tells you roughly how long ago the clinician finished school.
What this does not show: Years since graduation
It is not the number of years in practice, and more years does not mean better care.
Source: CMS Doctors and Clinicians National Downloadable File.
NPI first issued
2016
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Accepts Medicare assignment
CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.
With Original Medicare, you usually pay only your deductible and coinsurance, and the office sends the claim to Medicare for you.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, “Does your provider accept Medicare as full payment?”
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Enrolled in Medicare (PECOS)
Mary Ambrose has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.
It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Compared with the same specialty in Ashburn and Virginia
Billing and prescribing volume is not a quality rating.
Medicare Part B services
Close to the middle for clinicians listed under Speech-Language Pathologist in Virginia (2024, 60 clinicians with data). Median for this group: 549. Middle half: 234 to 1,102.
Too few clinicians listed under Speech-Language Pathologist in Ashburn have Medicare Part B data for 2024 to compare.
Medicare-allowed amount
A lower Medicare-allowed amount than 70% of clinicians listed under Speech-Language Pathologist in Virginia (2024, 60 clinicians with data). Median for this group: $34,211. Middle half: $16,949 to $76,645.
Too few clinicians listed under Speech-Language Pathologist in Ashburn have Medicare Part B data for 2024 to compare.
Paid by Medicare
A lower Medicare payment amount than 70% of clinicians listed under Speech-Language Pathologist in Virginia (2024, 60 clinicians with data). Median for this group: $26,873. Middle half: $13,375 to $60,469.
Too few clinicians listed under Speech-Language Pathologist in Ashburn have Medicare Part B data for 2024 to compare.
43 active clinicians are listed under Speech-Language Pathologist with a practice address in Ashburn, VA (4,943 in Virginia).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Ashburn
0% of these 43 clinicians have the CMS telehealth indicator.
2.3% of these 43 clinicians are listed by CMS as accepting Medicare assignment.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
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Medicare Part B services
Medicare Part B services decreased 38% from 672 in 2019 to 418 in 2024.
- 2019: 672
- 2020: 601
- 2021: 1,020
- 2022: 435
- 2024: 418
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Medicare-allowed amount
Medicare-allowed amount decreased 39% from $27,902 in 2019 to $17,003 in 2024.
- 2019: $27,902
- 2020: $18,560
- 2021: $31,978
- 2022: $11,832
- 2024: $17,003
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Paid by Medicare
Paid by Medicare decreased 40% from $22,228 in 2019 to $13,415 in 2024.
- 2019: $22,228
- 2020: $14,829
- 2021: $25,194
- 2022: $9,431
- 2024: $13,415
Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo · Report an error.
Performed Procedures & Service Volume
CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2018–2023 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners – by Provider and Service data, 2019–2024; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.
| HCPCS Code | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
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97130
Therapy procedure for a range of mental processes, each additional 15 minutes
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207 | 12 | $39.00 | $22.70 |
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92507
Treatment of speech, language, voice, communication, and/or hearing processing disorder
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104 | 13 | $140.00 | $81.19 |
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97129
Therapy procedure for a range of mental processes, initial 15 minutes
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90 | 12 | $41.00 | $23.78 |
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96125
Test to assess the ability to complete specific functional tasks applicable to environment
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17 | 14 | $193.00 | $101.17 |
Source: CMS Part B by Provider and Service, 2024; services under 11 beneficiaries omitted by CMS. Privacy limits
Submitted charges are billed amounts, not a price quote for your visit.
Specialties & License Numbers Reported to NPPES
NUCC Taxonomy Code: 235Z00000X
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - QUALIFIED SPEECH LANGUAGE PATHOLOGIST
I20190423002275
DC
6406197656
Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Medicare Group Practice Enrollments
Source: CMS Doctors and Clinicians National Downloadable File
Comprehensive Therapeutics Ltd
9619 Burke Lake Rd, Burke, VA 220153004
Phone: 7032501637
Comprehensive Therapeutics Ltd
9490 Sprague Ave, Fairfax, VA 220311172
Phone: 5713999415
Comprehensive Therapeutics Ltd
2863 Hunter Mill Rd, Oakton, VA 221241702
Phone: 7036468019
Career & Practice History
NPI enumerated November 15, 2016.
No changes to the name, practice address, taxonomy or NPI status in this record have been observed in the monthly NPPES data files from January 2017 to August 2026.
NPI Administrative Meta
Mailing Address
21160 Maple Branch Ter
Ashburn, VA 201476160
Phone: 5712916192