Doctor profile · Federal record
Dr. Margaret Andersen, MD
Internal Medicine Physician (CMS: Internal Medicine) · Valhalla, NY
- NPI 1679642938
- Accepts Medicare
- MIPS 91.6 / 100 · 2023
- 32 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
465 Columbus Ave Ste 370
Valhalla, NY 105951336
(914) 769-1600
fax (914) 769-1610
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- October 27, 2016
- Year of graduation
- 1994 — 32 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- New York #202880
- Medicaid
- NY #01749233
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1679642938. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
693
Distinct HCPCS
10
Medicare allowed
$60,369
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
36415 |
Insertion of needle into vein for collection of blood sample | 180 | 109 | $8 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 132 | 98 | $105 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 97 | 68 | $149 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 77 | 77 | $150 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 38 | 36 | $17 | |
G0008 |
Administration of influenza virus vaccine | 38 | 38 | $36 | |
90662 |
Influenza vaccine split virus, preservative free | 37 | 37 | $72 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 24 | 24 | $282 | |
G0009 |
Administration of pneumococcal vaccine | 23 | 23 | $36 | |
0241U |
Respiratory infectious agent detection by rna for severe acute respiratory syndrome coronavirus 2 (covid 19), influenza a, influenza b, and respiratory syncytial virus, upper respiratory specimen, each reported as detected or not detected | 12 | 12 | $140 |
In context: peer comparison
Among 21 peers in Valhalla Internal Medicine Physician, average services per provider: 104. This provider delivers 6.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,011
Patients
299
Total drug cost
$15,330
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 142 | 43 | $1,113 |
| Atorvastatin Calcium | Generic | 141 | 47 | $1,848 |
| Levothyroxine Sodium | Generic | 102 | 34 | $1,957 |
| Metoprolol Succinate | Generic | 83 | 20 | $1,400 |
| Losartan Potassium | Generic | 74 | 23 | $778 |
| Hydrochlorothiazide | Generic | 71 | 24 | $526 |
| Lisinopril | Generic | 67 | 20 | $451 |
| Simvastatin | Generic | 65 | 19 | $755 |
| Rosuvastatin Calcium | Generic | 52 | 20 | $835 |
| Escitalopram Oxalate | Generic | 48 | 16 | $1,102 |
Hospital affiliations
Frequently asked questions
What is Dr. Margaret Andersen's medical specialty?
Dr. Margaret Andersen practices Internal Medicine Physician in Valhalla, NY.
Where does Dr. Margaret Andersen practice?
Dr. Margaret Andersen practices at 465 Columbus Ave Ste 370, Valhalla, NY 105951336. Office phone: 9147691600.
What is Dr. Margaret Andersen's NPI?
Dr. Margaret Andersen's National Provider Identifier (NPI) is 1679642938, issued by NPPES.
Does Dr. Margaret Andersen accept Medicare assignment?
Yes. Dr. Margaret Andersen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Andersen commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.