Provider Profile
Kristy Zerfass, P.A.
Unclaimed ProfileAbout Kristy Zerfass
Listed in the NPI registry as a physician assistant — surgical, Kristy Zerfass, P.A. practices in Danbury, CT. Medicare claims data shows Kristy provided 1,517 services to 218 patients. The services billed most often include injection, methylprednisolone acetate, 1 mg, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
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
- (203) 744-9700
- Email not available
Practice Locations
20 GERMANTOWN RD
Danbury, CT 06810
Conditions and Services Within This Provider's Scope
Within Physician Assistant - Surgical 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
Abdominal & digestive
- Acid reflux
- Anal fissure
- Appendicitis
- Bowel obstruction
- Diverticulitis
- Gallstones
- Hemorrhoids
- Hernia
Bariatrics
- Severe Obesity
Bones & joints
- Bone fractures
- Bunions
- Ganglion Cyst In Hand Or Wrist
- Hip osteoarthritis
- Knee osteoarthritis
- Rotator cuff tear
- Shoulder impingement
- Torn ACL
- Torn meniscus
- Trigger finger
Breast Surgery
- Breast lump or mass
Cosmetic & Plastic
- Gynecomastia
Cosmetic & plastics
- Drooping eyelid
Endocrine Surgery
- Goiter
ENT Surgery
- Deviated septum
General Surgery
- Lipoma
Glands & hormones
- Thyroid nodules
Nerves & spine
- Carpal tunnel
- Herniated disc
- Pinched nerve
Skin
- Moles and atypical moles
- Skin tags
Skin & soft tissue
- Benign breast disease
- Epidermoid cyst
- Ingrown toenail
- Keloids and hypertrophic scars
- Pilonidal cyst
- Skin abscess or boil
- Skin cancer
Spine & Orthopedics
- Baker's Cyst
- Cervical spondylosis
- Heel pain
- Shoulder Labrum Tear
- Spinal stenosis
- Spondylolisthesis
- Tennis elbow
- Torn Achilles tendon
Urinary
- Kidney stones
Urology Surgery
- Hydrocele
Vascular Surgery
- Deep vein thrombosis
- Peripheral artery disease
Veins & circulation
- Varicose veins
Wound Care
- Surgical wound opening
Wounds & recovery
- Diabetic foot ulcer
- Post-surgery fever or infection
Procedures & services
Bariatrics
- Weight Loss Surgery Consultation
Breast Surgery
- Breast biopsy
- Breast Cancer Surgery Consultation
Cosmetic & Plastic
- Breast Reduction Consultation
Cosmetic & plastics
- Botox injections
- Dermal filler injections
- Scar revision consultation
- Tummy tuck consultation
Endocrine Surgery
- Thyroid Surgery Consultation
General surgery
- Gallbladder surgery consultation
- Hemorrhoid banding and treatment
- Hernia repair consultation
General Surgery
- Lipoma removal
Injections & pain
- Joint injection or aspiration
- Knee Joint Injection
- Tendon Sheath Injection
Nerves & spine
- Spine surgery consultation
Orthopedics
- ACL reconstruction consultation
- Carpal tunnel surgery consultation
- Cast placement and management
- Hip replacement consultation
- Knee replacement consultation
- Torn rotator cuff consultation
Post-Op Care
- Cast Removal
- Seroma Fluid Drainage
- Surgical Staple Removal
Skin & minor surgery
- Cryotherapy for skin lesions
- Incision and drainage of an abscess
- Jaw Cyst Removal
- Minor laceration repair
- Pilonidal cyst removal
- Removal of a soft-tissue mass
- Skin biopsy
- Superficial foreign-body removal
- Toenail Removal
Skin Procedures
- Cyst Drainage
- Mole removal
- Skin Tag Removal
- Wart Removal
Spine & Orthopedics
- Bunion Surgery Consultation
- Foot and Ankle Surgery Consultation
- Shoulder Surgery Consultation
- Splinting of minor injuries
- Surgical Hardware Removal Consultation
- Trigger Finger Release Consultation
Surgical care
- Post-Surgery Follow-Up
- Pre-surgery clearance
Veins & circulation
- Vein treatment consultation
Wound Care
- Surgical Scar Treatment
Wounds & recovery
- Negative pressure wound therapy
- Surgical drain removal
- Surgical Wound Care
- Suture removal
- Wound cleaning and dead tissue removal
Procedures Most Often Billed to Medicare
1,517 services · 218 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
30 | Less often than most peers in Physician Assistant — Surgical |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
1,300 | Less often than most peers in Physician Assistant — Surgical |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
122 | More often than most peers in Physician Assistant — Surgical |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
48 | More often than most peers in Physician Assistant — Surgical |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
17 | Less often than most peers in Physician Assistant — Surgical |
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 3
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 physician assistants in Danbury 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2014 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid from large joint 8
Providers in CT who bill this service to Medicare most often.
Common questions
What does Kristy Zerfass specialize in?
Kristy Zerfass is a physician assistant in Danbury, CT. That is the designation recorded for this NPI in the federal registry, where it is listed as “Physician Assistant — Surgical”.
NPI registry
Where is Kristy Zerfass located?
Kristy Zerfass is listed at 20 Germantown Rd, Danbury, CT 06810. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Kristy Zerfass's phone number?
The number on file is (203) 744-9700. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Kristy Zerfass?
Kristy Zerfass's National Provider Identifier is 1558769935. 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 Kristy Zerfass train?
Kristy Zerfass attended Other, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Kristy Zerfass have?
Kristy Zerfass has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
What does Kristy Zerfass do most often?
According to Medicare billing data, Kristy Zerfass performs procedures including aspiration and/or injection of fluid from large joint, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Kristy Zerfass's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Kristy Zerfass. 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.