Physician Profile
Unclaimed ProfileAbout SUGAR
Mark Steven Sugar, M.D. practises allergy/immunology in Laguna Niguel, CA. Mark is a 1969 graduate of University of Maryland School of Medicine. Mark is also listed as specialising in allergy.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. Sugar?
Dr. Sugar is an allergy/immunology in Laguna Niguel, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ALLERGY/IMMUNOLOGY”.
NPI registry
What is Dr. Sugar's address?
Dr. Sugar is listed at 28202 CABOT RD STE 105, Laguna Niguel, CA 92677. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Sugar?
The number on file is (949) 364-2900. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Sugar?
Dr. Sugar's National Provider Identifier is 1013959253. 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. Sugar train?
Dr. Sugar attended University of Maryland School of Medicine, graduating in 1969. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Sugar have?
Dr. Sugar has 57 years experience. Calculated from a graduation year of 1969, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Sugar perform?
According to Medicare billing data, Dr. Sugar provides treatments such as test for allergy using allergenic extract and test to measure expiratory airflow and volume, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Sugar's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Sugar. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (949) 364-2900
- Email not available
Practice Locations
28202 CABOT RD STE 105
Laguna Niguel, CA 92677
Procedures Most Often Billed to Medicare
808 services · 208 patients · 7 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Test for allergy using allergenic extract | Treatment | 95004 |
503 |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
77 |
| Test to measure the level of nitric oxide gas | Treatment | 95012 |
16 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
157 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
27 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
16 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
12 |
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 allergy/immunology specialists at this location 3
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 allergy/immunology specialists in Laguna Niguel 1
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Maryland School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1969 at University of Maryland School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Test for allergy using allergenic extract 8
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.