Provider Profile
Crystal C. Williams, DNP
Unclaimed ProfileAbout Dr. Williams
Crystal C. Williams, DNP is a nurse practitioner — family based in Baltimore, MD. According to Medicare claims data, Crystal cared for 179 Medicare patients across 210 services. The services billed most often include detection test by immunoassay with direct visual observation for influenza virus, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19).
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (443) 961-1221
- Email not available
Practice Locations
711 W 40TH ST STE 173
Baltimore, MD 21211
1251 Lewis River Rd Ste D
Woodland, WA 98674
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
Most searched procedures
Allergies
Chronic condition care
- Chronic disease management visit
- Diabetic Foot Care
Dermatology
- Cryotherapy for skin spots
Diagnostic screening
- Bone density scan ordering
- Colon cancer screening ordering
- Mammogram ordering
Diagnostic tests
Ear, nose & throat
Heart health
Hormones & endocrine
Injections
Injury care
- Sprain and Strain Care
Lab tests
- Cholesterol screening
- COVID-19 testing
- Hemoglobin A1c Test
- Rapid strep testing
- Thyroid Blood Test
- Urine Drug Screen
Lifestyle counseling
Mental health
- Mental Health Evaluation
Minor procedures
- Burn and Wound Care
- Incision and drainage of an abscess
- Ingrown toenail removal
- Superficial foreign-body removal
Minor surgery
Neurological care
Occupational health
Pain management
Physical exams
Prescriptions
- Prescription Refill
Preventative care
Preventative exams
Respiratory care
Screenings
Sexual health
Skin procedures
Sleep
- At-Home Sleep Study Ordering
Urgent care
Weight management
Women's health
Procedures Most Often Billed to Medicare
210 services · 179 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Detection test by immunoassay with direct visual observation for influenza virus | Lab test | 87804 |
60 | More often than most peers in Nurse Practitioner, Family |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
57 | As often as other peers in Nurse Practitioner, Family |
| Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) | Lab test | 87811 |
33 | As often as other peers in Nurse Practitioner, Family |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
28 | As often as other peers in Nurse Practitioner, Family |
| Automated urinalysis test | Lab test | 81003 |
20 | As often as other peers in Nurse Practitioner, Family |
| Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | Lab test | 87880 |
12 | 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.
Related specialists at this location 2
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.
Other nurse practitioners in Baltimore 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2019 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Crystal C. Williams?
Crystal C. Williams is a nurse practitioner in Baltimore, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Family”.
NPI registry
What is Crystal C. Williams's address?
Crystal C. Williams is listed at 711 W 40Th St Ste 173, Baltimore, MD 21211. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Crystal C. Williams?
The number on file is (443) 961-1221. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Crystal C. Williams's NPI number?
Crystal C. Williams's National Provider Identifier is 1710528914. 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 Crystal C. Williams train?
Crystal C. Williams attended Other, graduating in 2019. This comes from the CMS National Downloadable File.
CMS public data
How long has Crystal C. Williams been practicing?
Crystal C. Williams has 7 years experience. Calculated from a graduation year of 2019, reported in the CMS National Downloadable File.
CMS public data
What procedures does Crystal C. Williams perform?
According to Medicare billing data, Crystal C. Williams 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 Crystal C. Williams confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Crystal C. Williams. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.