Doctor profile · Federal record
Dr. Masha Nakelchik, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · San Jose, CA
- NPI 1255346623
- Accepts Medicare
- MIPS 97.5 / 100 · 2023
- 36 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
295 Oconnor Dr
San Jose, CA 951281624
(408) 279-8173
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- September 15, 2011
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A73689
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1255346623. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,520
Distinct HCPCS
10
Medicare allowed
$203,759
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 914 | 343 | $156 | |
G0008 |
Administration of influenza virus vaccine | 124 | 121 | $38 | |
90662 |
Influenza vaccine split virus, preservative free | 118 | 116 | $72 | |
G0181 |
Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow | 103 | 49 | $125 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 79 | 62 | $111 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 46 | 45 | $18 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 36 | 36 | $281 | |
G0009 |
Administration of pneumococcal vaccine | 36 | 36 | $38 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 35 | 35 | $200 | |
99496 |
Transitional care management services for problem of high complexity | 16 | 15 | $343 |
In context: peer comparison
Among 94 peers in San Jose Internal Medicine Physician, average services per provider: 175. This provider delivers 8.7× the peer median.Open Payments
Industry payments received
All-time total
$4,181
Transactions
159
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 31 | $605.32 | |
| Amgen INC. | 22 | $489.29 | |
| Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) | 18 | $481.92 | |
| Novo Nordisk INC | 20 | $317.13 | |
| GlaxoSmithKline, LLC. | 11 | $276.03 | |
| Pfizer INC. | 13 | $260.44 | |
| Lilly USA, LLC | 11 | $213.83 | |
| AstraZeneca Pharmaceuticals Lp | 7 | $160.30 | |
| Mylan Specialty L.P. | 5 | $154.18 | |
| Bayer Healthcare Pharmaceuticals INC. | 4 | $151.59 | |
| Vanda Pharmaceuticals INC. | 3 | $108.33 | |
| Exact Sciences Corporation | 5 | $95.86 | |
| Radius Health, INC. | 3 | $91.69 | |
| Axsome Therapeutics, INC. | 3 | $88.93 | |
| Astellas Pharma US INC | 3 | $85.36 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
4,089
Patients
1,206
Total drug cost
$257,188
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 836 | 236 | $15,194 |
| Amlodipine Besylate | Generic | 470 | 132 | $7,545 |
| Levothyroxine Sodium | Generic | 421 | 114 | $8,462 |
| Losartan Potassium | Generic | 326 | 101 | $7,223 |
| Metoprolol Succinate | Generic | 265 | 79 | $5,589 |
| Omeprazole | Generic | 245 | 86 | $5,296 |
| Hydrochlorothiazide | Generic | 235 | 74 | $1,706 |
| Metformin Hcl | Generic | 212 | 61 | $4,043 |
| Lisinopril | Generic | 207 | 58 | $4,153 |
| Rosuvastatin Calcium | Generic | 179 | 57 | $4,032 |
Hospital affiliations
Frequently asked questions
What is Dr. Masha Nakelchik's medical specialty?
Dr. Masha Nakelchik practices Internal Medicine Physician in San Jose, CA.
Where does Dr. Masha Nakelchik practice?
Dr. Masha Nakelchik practices at 295 Oconnor Dr, San Jose, CA 951281624. Office phone: 4082798173.
What is Dr. Masha Nakelchik's NPI?
Dr. Masha Nakelchik's National Provider Identifier (NPI) is 1255346623, issued by NPPES.
Does Dr. Masha Nakelchik accept Medicare assignment?
Yes. Dr. Masha Nakelchik accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Masha Nakelchik commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Administration of influenza virus vaccine (HCPCS G0008); Influenza vaccine split virus, preservative free (HCPCS 90662). Source: CMS Medicare Physician & Other Practitioners file.