Doctor profile · Federal record
Dr. Ann Duncan, M.D.
Family Medicine Physician (CMS: Family Practice) · Student in an Organized Health Care Education/Training Program · Folsom, CA
- NPI 1639513823
- Accepts Medicare
- 13 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2575 East Bidwell St, Ste 100
Folsom, CA 95630
(916) 817-3700
fax (916) 817-3701 - Mailing address
-
10470 Old Placerville RD, Suite 100
Sacramento, CA 958272539
Credentials & registration
- NPI registered
- April 2013 — 13 yrs on file
- Profile last updated
- September 14, 2016
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- California #A135992
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1639513823. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
385
Distinct HCPCS
8
Medicare allowed
$48,855
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 146 | 81 | $135 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 79 | 79 | $138 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 58 | 48 | $92 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 29 | 20 | $190 | |
90671 |
Pneumococcal conjugate vaccine, 15 valent (pcv15), for intramuscular use | 21 | 21 | $241 | |
G0009 |
Administration of pneumococcal vaccine | 21 | 21 | $33 | |
G0008 |
Administration of influenza virus vaccine | 16 | 16 | $33 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 15 | 15 | $76 |
In context: peer comparison
Among 16 peers in this city , average services per provider: 144. This provider delivers 2.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
861
Patients
220
Total drug cost
$12,380
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 148 | 41 | $1,627 |
| Levothyroxine Sodium | Generic | 101 | 26 | $1,765 |
| Gabapentin | Generic | 82 | 17 | $1,275 |
| Losartan Potassium | Generic | 76 | 28 | $1,111 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 60 | 15 | $1,222 |
| Bupropion Xl (Bupropion Hcl) | Brand | 48 | 0 | $1,365 |
| Lisinopril | Generic | 44 | 13 | $431 |
| Amlodipine Besylate | Generic | 43 | 15 | $359 |
| Clonazepam | Generic | 43 | 0 | $320 |
| Hydrochlorothiazide | Generic | 41 | 14 | $228 |
Hospital affiliations
Frequently asked questions
What is Dr. Ann Duncan's medical specialty?
Dr. Ann Duncan practices Family Medicine Physician in Folsom, CA.
Where does Dr. Ann Duncan practice?
Dr. Ann Duncan practices at 2575 East Bidwell St, Folsom, CA 95630. Office phone: 9168173700.
What is Dr. Ann Duncan's NPI?
Dr. Ann Duncan's National Provider Identifier (NPI) is 1639513823, issued by NPPES.
Does Dr. Ann Duncan accept Medicare assignment?
Yes. Dr. Ann Duncan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ann Duncan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.