Doctor profile · Federal record

Dr. Gretchen Snoeyenbos Newman, MD

Infectious Disease Physician (CMS: Infectious Disease) · Internal Medicine Physician · Detroit, MI

  • NPI 1649699422
  • Accepts Medicare
  • 12 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3901 Chrysler Service Drive, Suite 4A
Detroit, MI 482014820
(339) 832-8854
Additional location
100 Woodruff Cir, Suite 327
Atlanta, GA 303220001
(404) 727-5658
Mailing address
1560 E Maple RD
Troy, MI 480831135

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
June 16, 2022
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207RI0200X — NUCC code
State licenses (2)
Michigan #4301501809 · Georgia #006952

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649699422. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
201
Distinct HCPCS
5
Medicare allowed
$22,919
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 71 32 $80
99214 Established patient office or other outpatient visit, 30-39 minutes 53 38 $129
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 34 21 $121
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 31 29 $133
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 12 11 $177

In context: peer comparison

Among 16 peers in Detroit Infectious Disease Physician, average services per provider: 95. This provider delivers 2.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
500
Patients
31
Total drug cost
$1,383,405
Drug Type Claims Patients Total cost
Biktarvy (Bictegrav/Emtricit/Tenofov Ala) Brand 185 31 $736,402
Juluca (Dolutegravir/Rilpivirine) Brand 50 0 $173,720
Tivicay (Dolutegravir Sodium) Brand 43 0 $95,033
Amlodipine Besylate Generic 34 0 $226
Odefsey (Emtricitab/Rilpiviri/Tenof Ala) Brand 22 0 $98,202
Prezcobix (Darunavir/Cobicistat) Brand 22 0 $54,190
Descovy (Emtricitabine/Tenofov Alafenam) Brand 20 0 $47,628
Symtuza (Darunavir/Cob/Emtri/Tenof Alaf) Brand 20 0 $95,087
Prezista (Darunavir) Brand 19 0 $37,395
Atorvastatin Calcium Generic 16 0 $106

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gretchen Snoeyenbos Newman's medical specialty?
Dr. Gretchen Snoeyenbos Newman practices Infectious Disease Physician in Detroit, MI.
Where does Dr. Gretchen Snoeyenbos Newman practice?
Dr. Gretchen Snoeyenbos Newman practices at 3901 Chrysler Service Drive, Detroit, MI 482014820. Office phone: 3398328854.
What is Dr. Gretchen Snoeyenbos Newman's NPI?
Dr. Gretchen Snoeyenbos Newman's National Provider Identifier (NPI) is 1649699422, issued by NPPES.
Does Dr. Gretchen Snoeyenbos Newman accept Medicare assignment?
Yes. Dr. Gretchen Snoeyenbos Newman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gretchen Snoeyenbos Newman commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.