Doctor profile · Federal record

Dr. Anne Timmerman, MD

Internal Medicine Physician (CMS: Internal Medicine) · Mystic, CT

  • NPI 1881610970
  • Accepts Medicare
  • 40 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
56 Whitehall Ave, Rt 27
Mystic, CT 06355
(860) 572-8282
fax (860) 572-7445

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Connecticut #030194

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881610970. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,170
Distinct HCPCS
10
Medicare allowed
$106,798
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 400 207 $140
G0444 Annual depression screening, 5 to 15 minutes 144 144 $21
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 136 136 $142
G0442 Annual alcohol misuse screening, 5 to 15 minutes 115 115 $21
99213 Established patient office or other outpatient visit, 20-29 minutes 100 77 $100
G0447 Face-to-face behavioral counseling for obesity, 15 minutes 91 59 $28
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 29 29 $282
G0009 Administration of pneumococcal vaccine 29 29 $34
83036 Hemoglobin a1c level 24 18 $10
G0008 Administration of influenza virus vaccine 23 22 $34

In context: peer comparison

Among 6 peers in Mystic Internal Medicine Physician, average services per provider: 84. This provider delivers 14× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,194
Patients
619
Total drug cost
$36,619
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 330 101 $7,566
Levothyroxine Sodium Generic 222 55 $3,238
Losartan Potassium Generic 207 58 $3,787
Lisinopril Generic 191 54 $2,087
Amlodipine Besylate Generic 165 45 $1,607
Omeprazole Generic 159 48 $3,264
Hydrochlorothiazide Generic 158 44 $781
Gabapentin Generic 127 33 $2,397
Simvastatin Generic 126 35 $1,516
Atenolol Generic 98 28 $1,034

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Anne Timmerman's medical specialty?
Dr. Anne Timmerman practices Internal Medicine Physician in Mystic, CT.
Where does Dr. Anne Timmerman practice?
Dr. Anne Timmerman practices at 56 Whitehall Ave, Mystic, CT 06355. Office phone: 8605728282.
What is Dr. Anne Timmerman's NPI?
Dr. Anne Timmerman's National Provider Identifier (NPI) is 1881610970, issued by NPPES.
Does Dr. Anne Timmerman accept Medicare assignment?
Yes. Dr. Anne Timmerman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Anne Timmerman commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual depression screening, 5 to 15 minutes (HCPCS G0444); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.