Deirdre May Kidera , PA-C
Physician Assistant • Frederick, MD
2100 Old Farm Dr Ste C
Frederick, MD 217025402
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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Deirdre Kidera is listed in NPPES under Physician Assistant.
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NPI assigned on December 22, 2016; this date does not establish years in practice.
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Published CMS data list 361 Original Medicare Part B services in 2023.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2023. Published rows only; this is not a quality measure.
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Published Part B service records, 2023:
- 99214 — Established patient outpatient office visit: 73 service units.
- 99204 — New patient outpatient office visit: 49 service units.
- 99213 — Established patient outpatient office visit: 43 service units.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2023. Units differ by code; these are not visits or a measure of quality.
CPT® only copyright 2022 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2023). CPT notice
See all 11 records in the table · Guide: How to read Medicare Part B data
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Published CMS data list 25 Medicare Part D prescriptions, including refills, in 2022.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2022. Published rows only; this is not a quality measure.
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Published Part D records, 2022:
- Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) — 14 prescription fills, including refills.
- Paxlovid (Eua) (Nirmatrelvir/Ritonavir) — 11 prescription fills, including refills.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2022. Drug names come from pharmacy claims. Listing a drug here is not an endorsement or a recommendation.
See the full table · Guide: How to read Medicare Part D prescriber data
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Medicare Part B services went from 163 in 2019 to 361 in 2023.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2019–2023.
Practice Location & Contact Primary Location
2100 Old Farm Dr Ste C
Frederick, MD 217025402
What Public CMS Data Show
Physician Assistant: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare-allowed amount
About $26,737 in 2023
The total amount Medicare approved for these services in 2023. 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, 2023.
Paid by Medicare
About $20,719 in 2023
The part of the Medicare-allowed amount that Medicare itself paid in 2023, 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, 2023.
30-day fills
25 standardized 30-day fills in 2022
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
$250 in 2022
The total cost of these prescriptions in 2022, paid by Medicare drug plans, patients and other payers together.
It shows the total spending on drugs this clinician prescribed, not what any one patient paid.
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, 2022.
Industry payments (Open Payments)
Fewer than 11 payment records totaling $15.36 in 2021
Drug and medical device companies must report certain payments to doctors and some other clinicians to CMS, such as meals, travel, speaking fees or research funding.
It shows reported financial ties between this clinician and companies. You can ask your clinician about them.
These records are submitted by drug and medical device companies, and a reported payment does not necessarily mean the financial relationship is improper.
General: payments not tied to research, such as meals, travel, consulting or speaking fees.
A reported payment does not necessarily mean the financial relationship is improper. Research payments can go to a hospital or university for a study the clinician leads, not to the clinician personally. Clinicians can dispute records with the company that reported them.
Source: CMS Open Payments, program year 2021.
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.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
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.
Compared with the same specialty in Frederick and Maryland
Billing and prescribing volume is not a quality rating.
Medicare Part B
Comparisons use 2024 data. The latest CMS data for Deirdre Kidera are from 2023.
Medicare Part D
Comparisons use 2024 data. The latest CMS data for Deirdre Kidera are from 2022.
106 active clinicians are listed under Physician Assistant with a practice address in Frederick, MD (3,225 in Maryland).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Frederick
23.6% of these 106 clinicians have the CMS telehealth indicator.
69.8% of these 106 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 increased 121% from 163 in 2019 to 361 in 2023.
- 2019: 163
- 2020: 159
- 2021: 185
- 2022: 764
- 2023: 361
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Medicare-allowed amount
Medicare-allowed amount increased 40% from $19,105 in 2019 to $26,737 in 2023.
- 2019: $19,105
- 2020: $21,955
- 2021: $23,881
- 2022: $57,278
- 2023: $26,737
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Paid by Medicare
Paid by Medicare increased 44% from $14,397 in 2019 to $20,719 in 2023.
- 2019: $14,397
- 2020: $18,522
- 2021: $19,881
- 2022: $49,933
- 2023: $20,719
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Medicare Part D prescriptions
CMS data for Part D prescriptions are available for 2022 only.
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30-day fills
CMS data for 30-day fills are available for 2022 only.
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Part D drug cost
CMS data for Part D drug cost are available for 2022 only.
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Industry payments (Open Payments)
CMS data for industry payments (Open Payments) are available for 2021 only.
Sources: CMS Medicare Physician & Other Practitioners (2023), CMS Medicare Part D Prescribers (2022), CMS Open Payments (2021), 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
Program year 2021 (payments made January 1 – December 31, 2021): fewer than 11 records totaling $15.36.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| Janssen Pharmaceuticals, Inc |
Food and Beverage
In-kind items and services
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XARELTO | General | $15.36 |
Source: CMS Open Payments, program year 2021, released June 30, 2026.
Performed Procedures & Service Volume
CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2016–2022 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, 2017–2023; 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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99214
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
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73 | 73 | $271.62 | $122.19 |
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99204
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
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49 | 49 | $401.67 | $159.88 |
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99213
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
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43 | 43 | $190.81 | $87.49 |
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87426
Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus
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34 | 33 | $125.12 | $33.60 |
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87804
Detection test by immunoassay with direct visual observation for influenza virus
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34 | 17 | $55.00 | $16.22 |
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81003
Automated urinalysis test
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28 | 28 | $10.00 | $2.20 |
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99203
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
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27 | 27 | $266.00 | $108.20 |
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87880
Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)
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23 | 22 | $55.04 | $15.50 |
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82962
Blood glucose (sugar) test performed by hand-held instrument
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19 | 19 | $10.16 | $3.21 |
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87635
Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen
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19 | 19 | $126.00 | $50.28 |
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93000
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report
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12 | 12 | $60.00 | $14.25 |
Source: CMS Part B by Provider and Service, 2023; 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 2022.
| Brand Name | Generic Name | Prescriptions | Day Supply | Total Cost | Patients |
|---|---|---|---|---|---|
| Amoxicillin-Clavulanate Potass | Amoxicillin/Potassium Clav | 14 | 98 | $138.21 | 14 |
| Paxlovid (Eua) | Nirmatrelvir/Ritonavir | 11 | 55 | $111.50 | 11 |
Source: CMS Part D by Provider and Drug, 2022; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits
Specialties & License Numbers Reported to NPPES
Self-certified to NPPES: 2025-08-04NUCC 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.
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Physician Assistant - Medical
Physician Assistant (Certified)
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 2100 OLD FARM DR STE C, FREDERICK, MD 217025402 (Tel: 3016629105)
Registered at 1625 OLD ANNAPOLIS RD, WOODBINE, MD 217978207 (Tel: 4106085713)
NPI status registered as active in NPPES database
Registered at 1500 FOREST GLEN RD, SILVER SPRING, MD 209101460 (Tel: 3017547000)
Registered at 3591 HIPSLEY MILL RD, WOODBINE, MD 217977613 (Tel: 4106085713)
Recorded as DEIRDRE KIDERA, PA-C
Physician Assistant (license number reported to NPPES: MD C0006318)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Physician Assistants in Frederick
- Aurielle Martin, PA-C
- Heather Demory, PA-C
- Achala Gunasena, PA-C
- Virginia Harte-Titus, PA-C
- Jessica Anderson, PA-C
- Lauren Cox, PA
Mailing Address
1625 Old Annapolis Rd
Woodbine, MD 217978207
Phone: 4106085713