Independent US Healthcare Provider Directory & Public Medical Database Patient Guides

John Davis Ireland , PA-C

Physician Assistant • Williamsburg, VA

Active NPI 1881166312 Individual Practitioner Male Practitioner Accepts Medicare assignment Telehealth (some services)
Practice location in NPPES

5424 Discovery Park Blvd
Williamsburg, VA 23188

Call 7577073507 Location details and other listings
Medical Disclaimer

This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.

Practice Location & Contact Primary Location

Practice Address

5424 Discovery Park Blvd

Williamsburg, VA 23188

Telephone 7577073507
Organization at the Same NPPES Address or Phone
Tidewater Physicians Multispecialty Group Pc Facility NPI 1851530851

Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.

Other Listings in Public Data

CMS Doctors and Clinicians lists 1 group name: Tidewater Physicians Multispecialty Group, Pc. 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

Graduation Year

2018

Medicare patients

225 people with Original Medicare in 2024

Different Original Medicare patients in 2024; counts below 11 are hidden; this does not show availability or quality.

Source: CMS, Medicare Physician & Other Practitioners – by Provider, 2024.

Medicare-allowed amount

About $56,001 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.

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 $46,588 in 2024

The part of the Medicare-allowed amount that Medicare itself paid in 2024, after patients' deductibles and coinsurance.

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.

30-day fills

3,211 standardized 30-day fills in 2024

CMS converts prescriptions to 30-day supplies so they can be compared. A 90-day prescription counts as about three 30-day fills.

What this does not show: 30-day fills

It is not a count of patients and not a measure of quality.

Part D drug cost

$682,129 in 2024

The total cost of these prescriptions in 2024, paid by Medicare drug plans, patients and other payers together.

What this does not show: Part D drug cost

A higher cost often reflects the type of medicines a specialty uses. It is not your out-of-pocket cost and not a measure of quality.

Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024.

Open Payments general payments, program year 2025

All general payments: $538.34 across 22 records.

By nature of payment

  • Food and Beverage: $538.34 across 22 records.

Reporting-company totals (3 largest of 13)

  • Insulet Corporation: $167.43 across 3 records.
  • Amneal Pharmaceuticals LLC: $54.59 across 3 records.
  • Sequel Med Tech, LLC: $47.46 across 2 records.

A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.

See the full table

Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2025 (published June 30, 2026).

Guide: How to read an Open Payments record

Years since graduation

8 years (graduated 2018)

CMS Doctors and Clinicians data list 2018 as the year this clinician finished professional 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

2018

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.

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?”

Guide: What Medicare assignment means

Telehealth (some services)

Recent Medicare claims show this clinician provided some services by telehealth, such as a video or phone visit.

What this does not show: Telehealth (some services)

It does not mean all services are offered by telehealth, or that telehealth is covered by your plan.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.

Guide: How Medicare covers telehealth

Enrolled in Medicare (PECOS)

John Ireland 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.

Guide: What Medicare enrollment (PECOS) means

Can order Medicare-covered services

CMS lists John Ireland as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.

What this does not show: Can order Medicare-covered services

It does not mean the clinician offers these services directly.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What ordering and referring status means

Compared with the same specialty in Williamsburg and Virginia

Billing and prescribing volume is not a quality rating.

Medicare Part B services

More Medicare Part B services than 75% of clinicians listed under Physician Assistant in Williamsburg, VA (2024, 29 clinicians with data). Median for this group: 524. Middle half: 151 to 1,843.

More Medicare Part B services than 90% of clinicians listed under Physician Assistant in Virginia (2024, 2,247 clinicians with data). Median for this group: 288. Middle half: 107 to 693.

Medicare-allowed amount

A higher Medicare-allowed amount than 65% of clinicians listed under Physician Assistant in Williamsburg, VA (2024, 29 clinicians with data). Median for this group: $27,788. Middle half: $16,818 to $69,395.

A higher Medicare-allowed amount than 80% of clinicians listed under Physician Assistant in Virginia (2024, 2,247 clinicians with data). Median for this group: $23,153. Middle half: $9,003 to $44,800.

Paid by Medicare

A higher Medicare payment amount than 65% of clinicians listed under Physician Assistant in Williamsburg, VA (2024, 29 clinicians with data). Median for this group: $20,601. Middle half: $13,363 to $55,007.

A higher Medicare payment amount than 80% of clinicians listed under Physician Assistant in Virginia (2024, 2,247 clinicians with data). Median for this group: $17,218. Middle half: $6,803 to $32,639.

Medicare Part D prescriptions

More Part D prescriptions than 85% of clinicians listed under Physician Assistant in Williamsburg, VA (2024, 27 clinicians with data). Median for this group: 247. Middle half: 99 to 924.

More Part D prescriptions than 85% of clinicians listed under Physician Assistant in Virginia (2024, 2,256 clinicians with data). Median for this group: 247. Middle half: 75 to 708.

Part D drug cost

A higher Part D drug cost than 95% of clinicians listed under Physician Assistant in Williamsburg, VA (2024, 27 clinicians with data). Median for this group: $12,771. Middle half: $1,244 to $78,358.

A higher Part D drug cost than 95% of clinicians listed under Physician Assistant in Virginia (2024, 2,256 clinicians with data). Median for this group: $3,441. Middle half: $640 to $57,211.

38 active clinicians are listed under Physician Assistant with a practice address in Williamsburg, VA (4,411 in Virginia).

Addresses are self-reported to NPPES and may be out of date.

Telehealth indicator in Williamsburg

15.8% of these 38 clinicians have the CMS telehealth indicator.

65.8% of these 38 clinicians are listed by CMS as accepting Medicare assignment.

Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Medicare Part D Prescribers (2024), CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo · Report an error.

Pharma & Medical Device Financial Disclosures

Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments

Open Payments · Program Year 2025
Disclosure Year:

Program year 2025 (payments made January 1 – December 31, 2025): 22 records totaling $538.34.

Manufacturer Payment Nature Product Type Amount ($)
Insulet Corporation
Food and Beverage
Cash or cash equivalent
Omnipod General $70.19
Insulet Corporation
Food and Beverage
Cash or cash equivalent
Omnipod General $67.70
Insulet Corporation
Food and Beverage
Cash or cash equivalent
Omnipod General $29.54
Sequel Med Tech, LLC
Food and Beverage
In-kind items and services
TWIIST General $26.95
Radius Health, Inc.
Food and Beverage
In-kind items and services
Tymlos General $25.92
Eli Lilly and Company
Food and Beverage
In-kind items and services
MOUNJARO General $25.87
BETA BIONICS, INC.
Food and Beverage
In-kind items and services
iLet Bionic Pancreas General $25.73
Xeris Pharmaceuticals, Inc.
Food and Beverage
In-kind items and services
GVOKE HYPOPEN General $22.55
Amneal Pharmaceuticals LLC
Food and Beverage
In-kind items and services
UNITHROID General $21.09
BETA BIONICS, INC.
Food and Beverage
In-kind items and services
iLet Bionic Pancreas General $20.76
Sequel Med Tech, LLC
Food and Beverage
In-kind items and services
TWIIST General $20.51
Boehringer Ingelheim Pharmaceuticals, Inc.
Food and Beverage
In-kind items and services
JARDIANCE General $19.80
AstraZeneca Pharmaceuticals LP
Food and Beverage
In-kind items and services
FARXIGA General $19.01
Amneal Pharmaceuticals LLC
Food and Beverage
In-kind items and services
UNITHROID General $17.96
Boehringer Ingelheim Pharmaceuticals, Inc.
Food and Beverage
In-kind items and services
JARDIANCE General $17.52
Dexcom, Inc.
Food and Beverage
In-kind items and services
Dexcom G6 Transmitter General $16.58
ABBVIE INC.
Food and Beverage
In-kind items and services
— General $16.27
Amneal Pharmaceuticals LLC
Food and Beverage
In-kind items and services
UNITHROID General $15.54
Medtronic, Inc.
Food and Beverage
In-kind items and services
MINIMED 780G General $15.40
ABBVIE INC.
Food and Beverage
In-kind items and services
— General $15.16
Dexcom, Inc.
Food and Beverage
In-kind items and services
Dexcom G6 Transmitter General $14.63
Mannkind Corporation
Food and Beverage
In-kind items and services
AFREZZA General $13.66

Source: CMS Open Payments, program year 2025, released June 30, 2026.

Performed Procedures & Service Volume

Services billed to Original Medicare Part B in 2024.

CMS Part B · Data Year 2024
Reporting Year:

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
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
346 187 $251.00 $104.44
36415 Insertion of needle into vein for collection of blood sample
298 138 $15.00 $8.65
83036 Hemoglobin a1c level
208 92 $35.00 $9.48
84443 Blood test, thyroid stimulating hormone (tsh)
198 129 $60.00 $16.46
84439 Thyroxine (thyroid chemical), free
137 75 $52.00 $8.79
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's
87 69 $39.00 $13.47
83735 Magnesium level
80 75 $24.00 $6.57
80053 Blood test, comprehensive group of blood chemicals
77 71 $38.00 $10.35
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report
70 34 $111.00 $28.30
80061 Blood test, lipids (cholesterol and triglycerides)
64 62 $48.00 $13.12
82043 Urine microalbumin (protein) level
62 59 $21.00 $5.66
82570 Creatinine level to test for kidney function or muscle injury
62 59 $19.00 $5.08
82306 Vitamin d-3 level
50 37 $106.00 $29.01
84480 Thyroid hormone, t3 measurement, total
40 19 $51.00 $13.90
80048 Blood test, basic group of blood chemicals (calcium, total)
26 20 $30.00 $8.29
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
15 14 $338.00 $142.51
83970 Parathormone (parathyroid hormone) level
12 12 $148.00 $38.33
84100 Phosphate level
11 11 $17.00 $4.65

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.

Medicare Part D Prescribing Profile & Medications

Medicare Part D prescriptions filled, including refills, in 2024.

CMS Part D · Data Year 2024
Prescription Year:
Brand Name Generic Name Prescriptions Day Supply Total Cost Patients
Levothyroxine Sodium Levothyroxine Sodium 184 16,250 $2,855.00 62
Ozempic Semaglutide 107 5,462 $173,696.25 28
Synthroid Levothyroxine Sodium 97 7,810 $7,276.75 33
Trulicity Dulaglutide 79 3,248 $108,558.03 19
Metformin Hcl Er Metformin Hcl 78 6,810 $1,254.29 27
Lantus Solostar Insulin Glargine,hum.Rec.Anlog 77 5,610 $16,942.80 31
Methimazole Methimazole 64 5,433 $1,253.41 24
Farxiga Dapagliflozin Propanediol 61 2,460 $42,261.21 —
Jardiance Empagliflozin 58 4,080 $77,311.01 19
Nano 2nd Gen Pen Needle Pen Needle, Diabetic 46 3,496 $5,253.50 21
Metformin Hcl Metformin Hcl 44 3,960 $670.29 16
Mounjaro Tirzepatide 37 1,764 $63,697.64 —
Glimepiride Glimepiride 36 3,180 $296.87 15
Atorvastatin Calcium Atorvastatin Calcium 35 2,970 $474.63 11
Insulin Lispro Kwikpen U-100 Insulin Lispro 34 2,394 $28,612.01 14
Januvia Sitagliptin Phosphate 30 2,460 $40,672.45 —
Glipizide Glipizide 27 2,370 $359.90 12
Pioglitazone Hcl Pioglitazone Hcl 26 2,340 $385.72 —
Basaglar Kwikpen U-100 Insulin Glargine,hum.Rec.Anlog 24 1,974 $21,078.07 —
Novolog Flexpen Insulin Aspart 23 1,518 $10,585.55 —
Insulin Lispro Insulin Lispro 22 1,477 $2,358.38 —
Hydrocortisone Hydrocortisone 21 915 $803.29 —
Humalog Kwikpen U-100 Insulin Lispro 19 816 $2,945.40 —
Omnipod 5 Dexg7g6 Pods (Gen 5) Insulin Pump Cart,auto,bt,g6/7 19 930 $18,416.23 —
Unithroid Levothyroxine Sodium 18 1,546 $232.95 —

(top 25 shown)

Source: CMS Part D by Provider and Drug, 2024; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits

Specialties & License Numbers Reported to NPPES

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: Virginia Department of Health Professions.
Look Up on State Board Site

Medicare (PECOS) Enrollment & Ordering Eligibility

Source: CMS PECOS
Medicare FFS Enrollment Status Medicare Enrollment on File
CMS Provider Specialty

PRACTITIONER - PHYSICIAN ASSISTANT

Medicare Enrollment ID

I20190304002321

Enrollment State Jurisdiction

VA

PECOS Control ID

3173862455

Medicare Order & Referring Eligibility
Clinical Lab & Imaging (Part B) Eligible
Durable Medical Equipment (DME) Eligible
Home Health Agency (HHA) Eligible
Power Mobility Devices (PMD) Eligible

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

Tidewater Physicians Multispecialty Group, Pc

860 Omni Blvd, Newport News, VA 236064430

Tidewater Physicians Multispecialty Group, Pc

408 16th St, West Point, VA 231819577

Phone: 8048433131

Clinicians Sharing This Practice Address or Phone

Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.

12 listed
Dylan Bailey

Physician Assistant

NPI 1669900643
Dr. Michelle Clark , DPT

Physical Therapist

NPI 1851644165

Doctor of Physical Therapy

Dr. Matthew Doherty , MD

Radiology - Diagnostic Ultrasound

NPI 1356501068

Doctor of Medicine (M.D.)

Dr. Thomas Durbin , MD

Orthopaedic Surgery

NPI 1740451251

Doctor of Medicine (M.D.)

NPI 1912227471

Doctor of Medicine (M.D.)

Dr. Richard Hartle , MD

Internal Medicine - Gastroenterology

NPI 1376556050

Doctor of Medicine (M.D.)

Career & Practice History

NPI enumerated December 21, 2018.

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 2019 to August 2026.

No reviews have been published yet. Leave a review.

NPI Administrative Meta

NPI Number: 1881166312
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: December 21, 2018
Last Update: December 21, 2018
Sole Proprietor: No

Other Physician Assistants in Williamsburg

All Physician Assistants in Williamsburg

Mailing Address

72 Rens Rd

Poquoson, VA 236621610

Phone: 7578807798

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.