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Edit this profileAt a glance
- 5457 Twin Knolls Rd Ste 100, Columbia, MD 21045
About Diana Passwaters
Diana L. Passwaters, CRNP is a nurse practitioner — family based in Columbia, MD. Diana is a 2004 graduate of University of Maryland School of Medicine. According to Medicare claims data, Diana cared for 27 Medicare patients across 33 services. The services billed most often include advance care planning, first 30 minutes and initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more. The provider's National Provider Identifier (NPI) is 1770631996.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (410) 689-7400
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
5457 TWIN KNOLLS RD STE 100
Columbia, MD 21045
Conditions and Services Within This Provider's Scope
Within Nurse Practitioner - Family generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Allergies
Allergy & skin
Blood disorders
Bone & joint
Dermatology
Digestive
Digestive health
Eye conditions
Heart health
Hormones & endocrine
Infections
Men's health
Mental health
Metabolic & weight
Nerve & joint
Nerve & spine
Neurological
Pain
Pain & spine
Pediatric infections
Respiratory
Skin
Sleep
Urinary health
Women's health
Procedures & services
Chronic condition care
Dermatology
Diagnostic screening
Evaluation & Testing
Hormones & endocrine
Injury care
Lab tests
- COVID-19 testing
- Cholesterol screening
- Hemoglobin A1c Test
- Rapid strep testing
- Thyroid Blood Test
- Urine Drug Screen
Mental health
Minor procedures
- Burn and Wound Care
- Superficial foreign-body removal
- Incision and drainage of an abscess
- Ingrown toenail removal
Minor surgery
Physical exams
Prescriptions
Preventative care
Preventative exams
Sexual health
Skin procedures
Sleep
Urgent care
Weight management
Women's health
- IUD insertion and removal
- Pregnancy Confirmation Test
- Birth control counseling
- Contraceptive implant insertion and removal
- Pap smear
- Well-woman exam
Most searched procedures
Allergies
Diagnostic tests
Ear, nose & throat
Heart health
Injections
Lifestyle counseling
Neurological care
Occupational health
Pain management
Respiratory care
Screenings
Procedures Most Often Billed to Medicare
33 services · 27 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Advance care planning, first 30 minutes | Office visit | 99497 |
19 | Less often than most peers in Nurse Practitioner, Family |
| Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more | Office visit | 99306 |
14 | Less often than most peers in Nurse Practitioner, Family |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 23 related providers in 3 groups
Other nurse practitioners in Columbia 7
Same specialty, same city.
Trained at University of Maryland School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2004 at University of Maryland School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Diana L. Passwaters specialize in?
Diana L. Passwaters is a nurse practitioner in Columbia, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Family”.
NPI registry
Where is Diana L. Passwaters located?
Diana L. Passwaters is listed at 5457 Twin Knolls Rd Ste 100, Columbia, MD 21045. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Diana L. Passwaters's phone number?
The number on file is (410) 689-7400. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Diana L. Passwaters's NPI number?
Diana L. Passwaters's National Provider Identifier is 1770631996. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Diana L. Passwaters train?
Diana L. Passwaters attended University of Maryland School of Medicine, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
How long has Diana L. Passwaters been practicing?
Diana L. Passwaters has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
What does Diana L. Passwaters do most often?
According to Medicare billing data, Diana L. Passwaters the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Diana L. Passwaters confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Diana L. Passwaters. If this is you, claiming it is free.
Guide.md
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