Physician Profile
Sungat Grewal, MD
Unclaimed ProfileAbout Dr. Grewal
Sungat Grewal, MD is a healthcare provider in Irvine, CA specializing in dermatology. Sungat is also listed as specializing in internal medicine. According to Medicare claims data, Sungat cared for 226 Medicare patients across 336 services. The services billed most often include destruction of precancer skin growth, 2-14 growths, therapy procedure using ultraviolet radiation with tar or petroleum jelly application, and established patient office or other outpatient visit with low level od decision making, if using time, 20 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
- (949) 824-0606
- Email not available
Practice Locations
850 HEALTH SCIENCES RD
Irvine, CA 92617
75 Francis St
Boston, MA 02115
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
Most searched conditions
- Acne
- Eczema
- Hair loss
- Melanoma
- Precancerous sun spot
- Psoriasis
- Rosacea
- Skin cancer
Acne and follicular disorders
- Folliculitis
- Hidradenitis suppurativa
Eczema and inflammatory skin disease
- Seborrheic dermatitis
Infections and infestations
- Cellulitis
- Foot fungus
- Herpes simplex of the skin
- Molluscum contagiosum
- Scabies
- Shingles
- Warts
Pigment, growths, and benign lesions
- Melasma
- Seborrheic keratosis
Skin cancer
- Basal cell skin cancer
- Squamous cell skin cancer
Urticaria, itch, and vascular
Autoimmune and connective tissue
- Vitiligo
Infections
- Ringworm
Rashes & allergy
- Poison Ivy
Skin growths
Procedures & services
Most searched procedures
- Botox
- Chemical peel
- Laser hair removal
- Microneedling
- Mole removal
- Skin cancer screening
Diagnostic procedures
- Patch testing
- Skin biopsy
Lesion treatment
- Complex skin lesion excision
- Cryotherapy for skin lesions
- Electrodesiccation and curettage
- Incision and drainage of an abscess
Medical dermatology treatment
Cosmetic
- Acne scar treatment
- Dermal fillers
- Sclerotherapy
- Tattoo removal
Cosmetic and minor surgery
- Sun spot removal
Cosmetic dermatology
- Laser skin resurfacing
- Laser treatment of vascular lesions
Diagnostic
- Mole mapping
- Skin scraping test
General dermatology
- Biologic drug management
- Cortisone shot for cysts
Infections
- Wart Removal
Medical dermatology
- Light Therapy
Nails & hair
- Ingrown toenail removal
Skin cancer surgery
- Mohs surgery
Skin growths
- Cyst Removal
- Lipoma removal
- Skin Tag Removal
- Steroid injection for keloids
Procedures Most Often Billed to Medicare
336 services · 226 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
88 | Less often than most peers in Dermatology |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
26 | Less often than most peers in Dermatology |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
26 | Less often than most peers in Dermatology |
| Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks | Procedure | 17311 |
16 | Less often than most peers in Dermatology |
| Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks | Procedure | 17311 |
12 | Less often than most peers in Dermatology |
| Therapy procedure using ultraviolet radiation with tar or petroleum jelly application | Treatment | 96910 |
43 | 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 |
38 | Less often than most peers in Dermatology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
30 | Less often than most peers in Dermatology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
30 | As often as other 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 |
14 | Less 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.
Other dermatologists at this location 1
Same specialty, same street address — most likely the same department or group.
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 Irvine 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 2017 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Destruction of precancer skin growth, 2-14 growths 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Grewal specialize in?
Dr. Grewal is a dermatologist (skin doctor) in Irvine, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.
NPI registry
Where is Dr. Grewal located?
Dr. Grewal is listed at 850 Health Sciences Rd, Irvine, CA 92617. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Grewal's phone number?
The number on file is (949) 824-0606. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Grewal's NPI number?
Dr. Grewal's National Provider Identifier is 1366962292. 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 Dr. Grewal go to medical school?
Dr. Grewal attended Other, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Grewal been practicing?
Dr. Grewal has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Grewal do most often?
According to Medicare billing data, Dr. Grewal 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; provides treatments such as therapy procedure using ultraviolet radiation with tar or petroleum jelly application, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Grewal confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Grewal. 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.