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Edit this profileAt a glance
- 909 5Th Ave, New York, NY 10021
About Dr. Orentreich
Catherine Orentreich, MD practices dermatology in New York, NY. Catherine is a 1987 graduate of New York University School of Medicine. Medicare claims data shows Catherine provided 332 services to 242 patients. The services billed most often include established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more, injection into skin growth, more than 7 growths, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. The provider's National Provider Identifier (NPI) is 1295733673.
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
- (212) 794-0800
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
909 5TH AVE
New York, NY 10021
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
Cosmetic and minor surgery
Diagnostic
General dermatology
Infections
Medical dermatology
Nails & hair
Procedures Most Often Billed to Medicare
332 services · 242 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection into skin growth, more than 7 growths | Procedure | 11901 |
61 | More often than most peers in Dermatology |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
40 | Less often than most peers in Dermatology |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
18 | Less often than most peers in Dermatology |
| Biopsy of related skin growth, each additional growth | Procedure | 11103 |
15 | Less often than most peers in Dermatology |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
136 | More 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 |
44 | Less often than most peers in Dermatology |
| New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more | Office visit | 99202 |
18 | As often as other 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 3
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 New York 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at New York University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1987 at New York University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Injection into skin growth, more than 7 growths 8
Providers in NY who bill this service to Medicare most often.
Common questions
What does Dr. Orentreich specialize in?
Dr. Orentreich is a dermatologist (skin doctor) in New York, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.
NPI registry
Where is Dr. Orentreich located?
Dr. Orentreich is listed at 909 5Th Ave, New York, NY 10021. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Orentreich's phone number?
The number on file is (212) 794-0800. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Orentreich?
Dr. Orentreich's National Provider Identifier is 1295733673. 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. Orentreich go to medical school?
Dr. Orentreich attended New York University School of Medicine, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Orentreich have?
Dr. Orentreich has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Orentreich do most often?
According to Medicare billing data, Dr. Orentreich performs procedures including injection into skin growth, more than 7 growths, biopsy of related skin growth, first growth and destruction of skin growth, 1-14 growths, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Orentreich's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Orentreich. If this is you, claiming it is free.
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