Cynthia Armstrong, ANP
NPI 1790009660 · Primary Care Nurse Practitioner · Phoenix, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cynthia Armstrong, ANP is a Primary Care Nurse Practitioner provider in Phoenix, AZ (NPI 1790009660).
Provider details
- NPI number
- 1790009660
- Entity type
- Individual
- Primary specialty
- Primary Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ANP
- Sex
- Female
- Sole proprietor
- No
- License
- TAP3601 (AZ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,000 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) |
|---|---|---|
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 626 | $104 |
| Residence Visit for Established Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99350 | 83 | $151 |
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 72 | $63 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 51 | $15 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 47 | $15 |
| Residence Visit for New Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99344 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 87 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 281 | 41 |
| Atorvastatin Calcium | 194 | 30 |
| Furosemide | 190 | 38 |
| Donepezil Hcl | 168 | 31 |
| Gabapentin | 138 | 20 |
| Divalproex Sodium | 137 | 31 |
| Escitalopram Oxalate | 136 | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$118 across 2 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
Registry dates
- Enumerated
- 2010-03-22
- Last updated
- 2022-07-21
Frequently asked questions
- What is Cynthia Armstrong's NPI number?
- Cynthia Armstrong's National Provider Identifier (NPI) is 1790009660, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cynthia Armstrong's specialty?
- Cynthia Armstrong is listed in the NPPES registry with a primary specialty of Primary Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Cynthia Armstrong located?
- Cynthia Armstrong's practice location on file with NPPES is 2510 W Dunlap Ave Ste 290, Phoenix, AZ 85021-2759.
- What is Cynthia Armstrong's phone number?
- The practice phone number listed in the NPPES registry for Cynthia Armstrong is (602) 789-0344.
- Does Cynthia Armstrong accept Medicare?
- Cynthia Armstrong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cynthia Armstrong's NPI active?
- Yes — Cynthia Armstrong's NPI (1790009660) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.