Diana Passwaters, CRNP
NPI 1770631996 · Family Nurse Practitioner · Columbia, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Passwaters, CRNP is a Family Nurse Practitioner provider in Columbia, MD (NPI 1770631996).
Provider details
- NPI number
- 1770631996
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Female
- Sole proprietor
- No
- License
- R125725 (MD)
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
19 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
33 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) |
|---|---|---|
| Advance Care Planning, First 30 Minutes99497 | 19 | $72 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 14 | $158 |
Typical Medicare-allowed amounts for these services range $72–$158 (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 · 25 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Atorvastatin Calcium | 40 |
| Dulaglutidebrand: Trulicity | 29 |
| Oxcarbazepine | 29 |
| Gabapentin | 28 |
| Metoprolol Tartrate | 25 |
| Apixabanbrand: Eliquis | 24 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 21 |
| Hydralazine Hcl | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$998 across 9 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
- 2007-01-05
- Last updated
- 2022-08-23
- Certified
- 2022-08-23
Frequently asked questions
- What is Diana Passwaters's NPI number?
- Diana Passwaters's National Provider Identifier (NPI) is 1770631996, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Passwaters's specialty?
- Diana Passwaters is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Diana Passwaters located?
- Diana Passwaters's practice location on file with NPPES is 5457 Twin Knolls Rd Ste 100, Columbia, MD 21045-3263.
- What is Diana Passwaters's phone number?
- The practice phone number listed in the NPPES registry for Diana Passwaters is (410) 689-7400.
- Does Diana Passwaters accept Medicare?
- Diana Passwaters is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana Passwaters's NPI active?
- Yes — Diana Passwaters's NPI (1770631996) is active in the NPPES registry as of the last update on 2022-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.