Dr. Spencer Ng
Last updated: Apr 17, 2025

Dr. Spencer Ng

  • Gender: Male
  • Sole propriator: No
  • NPI: 1235633652

Dr. Spencer Ng MD, PHD

Dermatologist

He is located at 4500 Forest Park Avenue Div Im Dermatology, 6th Fl in Saint Louis, MO 63108. Can help patients with the following: Alopecia Areata (AA), Contact Dermatitis, MRSA Infection, Pityriasis Rosea, Ringworm, Seborrhea. His National Provider Identifier (NPI) number is 1235633652. Appointment can be made via the phone number (314) 273-3376.

Conditions treated

Dr. Spencer Ng, being an dermatologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Spencer Ng.

  • Acne
  • Actinic Keratosis
  • Albinism
  • Alopecia Areata (AA)
  • Athlete's Foot
  • Birthmarks
  • Blister
  • Bug Bites
  • Contact Dermatitis
  • Dermabrasion
  • Dry Skin
  • Eczema
  • Erythema Nodosum
  • Folliculitis
  • Hair Loss
  • Heat Rash
  • Henoch-Schonlein Purpura (HSP)
  • Hives
  • Hyperhidrosis
  • Impetigo
  • Ingrown Hair
  • Intertrigo
  • Jock Itch
  • Keloid
  • Keratosis Pilaris (KP)
  • Lichen Planus
  • MRSA Infection
  • Melanoma
  • Melasma
  • Moles
  • Molluscum Contagiosum
  • Pityriasis Rosea
  • Porphyria
  • Psoriasis
  • Ringworm
  • Rosacea
  • Scabies
  • Scars
  • Sebaceous Cyst
  • Seborrhea
  • Seborrheic Keratosis
  • Shingles
  • Skin Biopsy
  • Skin Cancer
  • Skin Itching
  • Skin Tag
  • Streptococcal Infections
  • Stretch Marks
  • Sunburn and Sun Poisoning
  • Thrush
  • Tinea Versicolor
  • Varicose Veins
  • Vitiligo
  • Warts
  • Wrinkles

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Spencer Ng as in-network for the following 2026 plans.

Health plans

Cox HealthPlans

Network data as of Sep 11, 2026, as reported by the insurer.

Show all 7 plans from Cox HealthPlans
Cox HealthPlans plans
Plan Plan type Network tier New patients
Cox HealthPlans Bronze Expanded Standard EPO · Expanded Bronze EPO Accepting new patients
Cox HealthPlans Bronze Preferred EPO · Bronze EPO Accepting new patients
Cox HealthPlans Gold Preferred EPO · Gold EPO Accepting new patients
Cox HealthPlans Gold Standard EPO · Gold EPO Accepting new patients
Cox HealthPlans Silver Connect EPO · Silver EPO Accepting new patients
Cox HealthPlans Silver Preferred EPO · Silver EPO Accepting new patients
Cox HealthPlans Silver Standard EPO · Silver EPO Accepting new patients

UnitedHealthcare

Network data as of Sep 15, 2026, as reported by the insurer.

Show all 13 plans from UnitedHealthcare
UnitedHealthcare plans
Plan Plan type Network tier New patients
UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) EPO · Expanded Bronze Non Preferred Accepting new patients
UHC Bronze Essential (No Referrals) EPO · Bronze Non Preferred Accepting new patients
UHC Bronze Standard (No Referrals) EPO · Expanded Bronze Non Preferred Accepting new patients
UHC Bronze Standard+ (Dental + Vision, No Referrals) EPO · Expanded Bronze Non Preferred Accepting new patients
UHC Gold Advantage ($0 Virtual Urgent Care, No Referrals) EPO · Gold Non Preferred Accepting new patients
UHC Gold Advantage+ ($0 Virtual Urgent Care, Dental + Vision, No Referrals) EPO · Gold Non Preferred Accepting new patients
UHC Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $8 Tier 2 Rx, No Referrals) EPO · Gold Non Preferred Accepting new patients
UHC Gold Standard (No Referrals) EPO · Gold Non Preferred Accepting new patients
UHC Silver Advantage ($0 Virtual Urgent Care, No Referrals) EPO · Silver Non Preferred Accepting new patients
UHC Silver Advantage+ ($0 Virtual Urgent Care, Dental + Vision, No Referrals) EPO · Silver Non Preferred Accepting new patients
UHC Silver Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) EPO · Silver Non Preferred Accepting new patients
UHC Silver Standard (No Referrals) EPO · Silver Non Preferred Accepting new patients
UHC Silver Standard+ (Dental + Vision, No Referrals) EPO · Silver Non Preferred Accepting new patients

This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Spencer Ng is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.

Insurance information looks wrong? Let us know

Medicare Enrollment

Dr. Spencer Ng is enrolled to bill Medicare as a Practitioner - Dermatology .

Bills through: Northwestern Medical Faculty Foundation

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.

Additional Specialities

  • Resident

Looking for more Dermatologists?

Here are dermatologists in Missouri you may want to explore.

Dr. Jonathan Lloyd Cleaver
  • Gender: Male
  • Address: 1316 Country Club Drive Kirksville, 63501, MO
Dr. Osamuede Osemwota
  • Gender: Female
  • Address: 8000 Maryland Avenue Suite 760 Saint Louis, 63105, MO
Dr. Lisa B. Ring
  • Gender: Female
  • Address: Suite 845 12255 DE Paul Drive Bridgeton, 63044, MO
Dr. Rebecca Davis Peck
  • Gender: Female
  • Address: Ste. 208B 3009 North Ballas Road Saint Louis, 63131, MO
Dr. Theresa Katherine Mattingly
  • Gender: Female
  • Address: 3265 Northeast Ralph Powell Road Lees Summit, 64064, MO
Dr. Amy R. Thorne
  • Gender: Female
  • Address: Suite C 110 Business Park Drive Branson, 65616, MO
Dr. Mark Udey
  • Gender: Male
  • Address: Ste 5A 4921 Parkview Place Suite 5A Saint Louis, 63110, MO
Dr. Nicholas Adam Rudloff
  • Gender: Male
  • Address: Suite 120 1805 Northwest Platte Road Riverside, 64150, MO
Dr. David Wesley Cleaver
  • Gender: Male
  • Address: 1316 Country Club Drive Kirksville, 63501, MO
Dr. Douglas Michael Leone
  • Gender: Male
  • Address: 110 Business Park Drive Suite C Branson, 65616, MO

Questions & Answers

Where can you meet with Dr. Spencer Ng?

Dr. Spencer Ng's office is located at 4500 Forest Park Avenue Div Im Dermatology, 6th Fl in Saint Louis, MO 63108.

What conditions does Dr. Spencer Ng treat?

Dr. Spencer Ng provides treatment for Alopecia Areata (AA), Contact Dermatitis, MRSA Infection, Pityriasis Rosea, Ringworm, Seborrhea. For the full list see this list.

Does Dr. Spencer Ng accept insurance?

Dr. Spencer Ng is listed in-network for 20 ACA Marketplace (Obamacare/HealthCare.gov) plans from Cox HealthPlans, UnitedHealthcare. See the Marketplace plans section for details.