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Edit this profileAt a glance
- 1627 Old Gray Station Rd Ste 30, Johnson City, TN 37615
About Dr. Sago
Joni G. Sago, M.D. is a healthcare provider in Johnson City, TN specializing in dermatology. Joni trained at Johns Hopkins University School of Medicine, graduating in 1997. According to Medicare claims data, Joni cared for 1,023 Medicare patients across 1,662 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, destruction of precancer skin growth, 2-14 growths, and destruction of precancer skin growth, 1 growth. This provider record is associated with NPI 1932187200.
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
- (423) 528-8833
- Email not available
Practice Locations
1627 OLD GRAY STATION RD STE 30
Johnson City, TN 37615
Conditions Commonly Evaluated or Treated
Within Dermatology 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
Autoimmune and connective tissue
Cancer care
Pediatric and genetic
Rashes & allergy
Wounds & skin
Most searched conditions
Acne and follicular disorders
Eczema and inflammatory skin disease
Infections and infestations
Pigment, growths, and benign lesions
Skin cancer
Urticaria, itch, and vascular
Infections
Skin growths
Procedures & services
Bladder & bowel
Cosmetic & plastics
Cosmetic dermatology
Diagnostic procedures
- Dermoscopy
- Excisional skin biopsy
- Punch biopsy
- Shave biopsy
- Skin scraping for fungal or mite testing
- Patch testing
- Skin biopsy
Lesion treatment
- Chemical treatment of skin lesions
- Incision and drainage of an abscess
- Intralesional medication injection
- Complex skin lesion excision
- Cryotherapy for skin lesions
- Electrodesiccation and curettage
Medical dermatology treatment
Skin and Scars
Skin cancer surgery
Skin growths
Wound Care
Most searched procedures
Cosmetic
- Acne scar treatment
- Dermal fillers
- Sclerotherapy
- Tattoo removal
Cosmetic and minor surgery
Diagnostic
General dermatology
Infections
Medical dermatology
Nails & hair
Procedures Most Often Billed to Medicare
1,662 services · 1,023 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
463 | As often as other peers in Dermatology |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
169 | As often as other peers in Dermatology |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
80 | As often as other peers in Dermatology |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
45 | Less often than most peers in Dermatology |
| Injection into skin growth, 1-7 growths | Procedure | 11900 |
22 | As often as other peers in Dermatology |
| Destruction of precancer skin growth, 15 or more growths | Procedure | 17004 |
16 | Less often than most peers in Dermatology |
| Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm | Procedure | 17262 |
15 | Less often than most peers in Dermatology |
| Destruction of cancer skin growth of trunk, arms, or legs, 0.6-1.0 cm | Procedure | 17261 |
13 | Less often than most peers in Dermatology |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
32 | Less often than most peers in Dermatology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
518 | More often than most peers in Dermatology |
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.
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 dermatologists in Johnson City 8
Same specialty, same city.
Trained at Johns Hopkins University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 1997 at Johns Hopkins University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Destruction of precancer skin growth, 2-14 growths 7
Providers in TN who bill this service to Medicare most often.
Common questions
What is Joni G. Sago's specialty?
Joni G. Sago is a dermatologist (skin doctor) in Johnson City, TN. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.
NPI registry
Where can I find Joni G. Sago?
Joni G. Sago is listed at 1627 Old Gray Station Rd Ste 30, Johnson City, TN 37615. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Joni G. Sago?
The number on file is (423) 528-8833. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Joni G. Sago's NPI number?
Joni G. Sago's National Provider Identifier is 1932187200. 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 Joni G. Sago's education?
Joni G. Sago attended Johns Hopkins University School of Medicine, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
How long has Joni G. Sago been practicing?
Joni G. Sago has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
What is Joni G. Sago known for?
According to Medicare billing data, Joni G. Sago performs procedures including destruction of precancer skin growth, 2-14 growths, destruction of precancer skin growth, 1 growth and biopsy of related skin growth, first growth, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Joni G. Sago confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Joni G. Sago. If this is you, claiming it is free.
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