Joseph Grant Shafer , AA-C
Anesthesiologist Assistant โข Houston, TX
1515 Holcombe Blvd
Houston, TX 770304000
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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Joseph Shafer is listed in NPPES under Anesthesiologist Assistant.
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NPI assigned on May 26, 2014; this date does not establish years in practice.
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Published CMS data list 19 Original Medicare Part B services in 2018.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2018. Published rows only; this is not a quality measure.
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Published Part B service records, 2018:
- 00731 โ Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope: 19 service units.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2018. Units differ by code; these are not visits or a measure of quality.
CPTยฎ only copyright 2017 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2018). CPT notice
See the full table ยท Guide: How to read Medicare Part B data
Practice Location & Contact Primary Location
1515 Holcombe Blvd
Houston, TX 770304000
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: Physicians Referral Service. See the list
Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026.
Listings do not confirm current availability, employment or a shared ownership network.
Medicare Profile & Education
Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026
2014
What Public CMS Data Show
Anesthesiologist Assistant: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare patients
53 people with Original Medicare in 2018
It gives a sense of how many people with Medicare this clinician treated that year.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider, 2018.
Medicare-allowed amount
About $1,708 in 2018
The total amount Medicare approved for these services in 2018. 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 โ by Provider and Service, 2018.
Paid by Medicare
About $1,361 in 2018
The part of the Medicare-allowed amount that Medicare itself paid in 2018, 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 โ by Provider and Service, 2018.
Years since graduation
12 years (graduated 2014)
CMS Doctors and Clinicians data list 2014 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, CMS release of October 2, 2026.
NPI first issued
2014
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, CMS release of October 2, 2026; Medicare.gov, โDoes your provider accept Medicare as full payment?โ
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, CMS release of October 2, 2026.
Enrolled in Medicare (PECOS)
Joseph Shafer 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 Houston and Texas
Billing and prescribing volume is not a quality rating.
Medicare Part B
Comparisons use 2024 data. The latest CMS data for Joseph Shafer are from 2018.
213 active clinicians are listed under Anesthesiologist Assistant with a practice address in Houston, TX (521 in Texas).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Houston
0% of these 213 clinicians have the CMS telehealth indicator.
85% of these 213 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
CMS data for Medicare Part B services are available for 2018 only.
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Medicare-allowed amount
CMS data for Medicare-allowed amount are available for 2018 only.
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Paid by Medicare
CMS data for Medicare payment amount are available for 2018 only.
Sources: CMS Medicare Physician & Other Practitioners (2018), CMS Doctors and Clinicians, CMS release of October 2, 2026, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo ยท Report an error.
Performed Procedures & Service Volume
CPTยฎ is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2017 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 โ by Provider and Service data, 2018; 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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00731
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope
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19 | 19 | $988.32 | $89.92 |
Source: CMS Part B by Provider and Service, 2018; 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
Self-certified to NPPES: 2024-10-14NUCC Taxonomy Code: 367H00000X
An individual certified by the state to perform anesthesia services under the direct supervision of an anesthesiologist. Anesthesiologist Assistants are required to have a bachelor's degree with a premed curriculum prior to entering a two-year anesthesiology assistant program, which is focused upon the delivery and maintenance of anesthesia care as well as advanced patient monitoring techniques. An Anesthesiologist Assistant must work as a member of the anesthesia care team under the direction of a qualified Anesthesiologist.
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - ANESTHESIOLOGY ASSISTANT
I20141008002226
TX
1456571728
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, CMS release of October 2, 2026
Physicians Referral Service
1515 Holcombe Blvd, Houston, TX 770304000
Phone: 7137922121
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Psychologist - Clinical
Doctor of Philosophy (Ph.D.)
Internal Medicine - Hematology
Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.)
Anesthesiology
Doctor of Osteopathic Medicine (D.O.)
Internal Medicine - Gastroenterology
Doctor of Medicine (M.D.)
Nurse Practitioner - Acute Care
Master of Science in Nursing, Advanced Practice Registered Nurse, ACNPCAG
Internal Medicine
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 1515 HOLCOMBE BLVD, HOUSTON, TX 770304000 (Tel: 7137926161)
Registered at PO BOX 4439, HOUSTON, TX 772104439 (Tel: 7137922991)
NPI status registered as active in NPPES database
Registered at 6414 FANNIN ST, #G125, HOUSTON, TX 770301517 (Tel: 7135006930)
Registered at 4222 BENT WOOD CT, ROUND ROCK, TX 786651176 (Tel: 5125690393)
Recorded as JOSEPH SHAFER, AA-C
Anesthesiologist Assistant
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Anesthesiologist Assistants in Houston
- Anna Kim, CAA
- Mariya Poretskiy, AA
- Zachary Jones, MSA, CAA
- Natalie Albert, AA
- Andrew Sumner, AA
- Justin Szatny
Mailing Address
Po Box 4439
Houston, TX 772104439
Phone: 7137922991