Joanna May, PA
NPI 1588003495 · Physician Assistant · Fairfax, VA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joanna May, PA is a Physician Assistant provider in Fairfax, VA (NPI 1588003495).
Provider details
- NPI number
- 1588003495
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 0110006169 (VA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
68 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 35 | $120 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 18 | $156 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 15 | $85 |
Typical Medicare-allowed amounts for these services range $85–$156 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Famotidine | 121 | 52 |
| Pantoprazole Sodium | 80 | 32 |
| Omeprazole | 47 | 25 |
| Linaclotidebrand: Linzess | 27 | — |
| Dexlansoprazolebrand: Dexlansoprazole Dr | 22 | — |
| Lipase/Protease/Amylasebrand: Creon | 20 | — |
| Prucalopride Succinatebrand: Motegrity | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,425 across 67 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 3914 Centreville Rd Ste 350Chantilly, VA 20151-3289Phone: (703) 716-8700
- 3028 Javier Rd Ste 500Fairfax, VA 22031-4622Phone: (703) 698-8960
- 100 Elden St Ste 10Herndon, VA 20170-4833Phone: (703) 698-8960
Registry dates
- Enumerated
- 2013-06-25
- Last updated
- 2019-05-17
Frequently asked questions
- What is Joanna May's NPI number?
- Joanna May's National Provider Identifier (NPI) is 1588003495, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanna May's specialty?
- Joanna May is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Joanna May located?
- Joanna May's practice location on file with NPPES is 3700 Joseph Siewick Dr Ste 308, Fairfax, VA 22033-1739.
- What is Joanna May's phone number?
- The practice phone number listed in the NPPES registry for Joanna May is (703) 698-8960.
- Does Joanna May accept Medicare?
- Joanna May is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joanna May's NPI active?
- Yes — Joanna May's NPI (1588003495) is active in the NPPES registry as of the last update on 2019-05-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.