Are you Johnna N. Walker, PA-C? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 3838 California St Rm 715, San Francisco, CA 94118
About Johnna Walker
Listed in the NPI registry as a physician assistant — surgical, Johnna N. Walker, PA-C practices in San Francisco, CA. Medicare claims data shows Johnna provided 4,468 services to 1,215 patients. The services billed most often include injection, methylprednisolone acetate, 1 mg, hyaluronan or derivative, durolane, for intra-articular injection, 1 mg, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. NPI 1497919401 identifies this record in the national registry.
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
- (415) 668-8010
- Email not available
Practice Locations
3838 CALIFORNIA ST RM 715
San Francisco, CA 94118
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
Cosmetic & Plastic
Cosmetic & plastics
Endocrine Surgery
ENT Surgery
General Surgery
Glands & hormones
Nerves & spine
Skin
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
Urology Surgery
Vascular Surgery
Veins & circulation
Wound Care
- Surgical wound opening
Wounds & recovery
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
Injections & pain
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
4,468 services · 1,215 patients · 16 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
222 | More often than most peers in Physician Assistant — Surgical |
| Replacement of thigh bone and hip joint with prosthesis | Procedure | 27130 |
52 | More often than most peers in Physician Assistant — Surgical |
| Replacement of knee joint, both sides of knee | Procedure | 27447 |
16 | Less often than most peers in Physician Assistant — Surgical |
| X-ray of hip, 2-3 views | Imaging | 73502 |
167 | More than most peers in Physician Assistant — Surgical |
| X-ray of knee, 3 views | Imaging | 73562 |
114 | More often than most peers in Physician Assistant — Surgical |
| Mri scan of leg joint without contrast | Imaging | 73721 |
32 | More than most peers in Physician Assistant — Surgical |
| X-ray of knee, 1-2 views | Imaging | 73560 |
32 | As often as other peers in Physician Assistant — Surgical |
| X-ray of lower and sacral spine, minimum of 4 views | Imaging | 72110 |
24 | Less often than most peers in Physician Assistant — Surgical |
| Mri scan of lower spinal canal without contrast | Imaging | 72148 |
13 | Less often than most peers in Physician Assistant — Surgical |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
2,280 | As often as other 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 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.
Other physician assistants in San Francisco 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 2008 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 CA who bill this service to Medicare most often.
Common questions
What is Johnna N. Walker's specialty?
Johnna N. Walker is a physician assistant in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Physician Assistant — Surgical”.
NPI registry
Where can I find Johnna N. Walker?
Johnna N. Walker is listed at 3838 California St Rm 715, San Francisco, CA 94118. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Johnna N. Walker?
The number on file is (415) 668-8010. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Johnna N. Walker?
Johnna N. Walker's National Provider Identifier is 1497919401. 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
What is Johnna N. Walker's education?
Johnna N. Walker attended Other, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Johnna N. Walker have?
Johnna N. Walker has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What is Johnna N. Walker known for?
According to Medicare billing data, Johnna N. Walker performs procedures including aspiration and/or injection of fluid from large joint, replacement of thigh bone and hip joint with prosthesis and replacement of knee joint, both sides of knee; reads or performs imaging such as x-ray of hip, 2-3 views and x-ray of knee, 3 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Johnna N. Walker's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Johnna N. Walker. If this is you, claiming it is free.
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