Doctor profile · Federal record

Dr. Christina Gelev, MD

Internal Medicine Physician (CMS: Internal Medicine) · Waltham, MA

  • NPI 1518958131
  • Accepts Medicare
  • 40 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
40 Second Ave, Suite 400 Mass General Medical Group
Waltham, MA 024511132
(781) 487-4350
fax (781) 487-4351
Mailing address
Po Box 9142, Mass General Physician Organization
Charlestown, MA 021299142

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
June 26, 2014
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #72739
Medicaid
MA #3074579

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518958131. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,021
Distinct HCPCS
10
Medicare allowed
$112,118
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 217 169 $8
99215 Established patient office or other outpatient visit, 40-54 minutes 195 140 $195
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 189 189 $142
99214 Established patient office or other outpatient visit, 30-39 minutes 186 144 $140
99213 Established patient office or other outpatient visit, 20-29 minutes 54 33 $97
99443 Telephone medical discussion with physician, 21-30 minutes 42 37 $140
G0008 Administration of influenza virus vaccine 42 41 $34
90662 Influenza vaccine split virus, preservative free 39 38 $72
G0009 Administration of pneumococcal vaccine 17 17 $34
81002 Urinalysis, manual test 15 13 $3

In context: peer comparison

Among 11 peers in this city , average services per provider: 70. This provider delivers 15× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$14
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 1 $14.38

By nature of payment

Food and Beverage
$14

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,975
Patients
665
Total drug cost
$31,841
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 283 95 $4,899
Levothyroxine Sodium Generic 263 79 $4,103
Lisinopril Generic 198 72 $1,826
Amlodipine Besylate Generic 177 56 $1,701
Hydrochlorothiazide Generic 128 44 $401
Metoprolol Succinate Generic 128 38 $4,364
Rosuvastatin Calcium Generic 123 39 $5,901
Lorazepam Generic 121 41 $415
Atenolol Generic 99 32 $1,594
Losartan Potassium Generic 98 37 $1,520

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Christina Gelev's medical specialty?
Dr. Christina Gelev practices Internal Medicine Physician in Waltham, MA.
Where does Dr. Christina Gelev practice?
Dr. Christina Gelev practices at 40 Second Ave, Waltham, MA 024511132. Office phone: 7814874350.
What is Dr. Christina Gelev's NPI?
Dr. Christina Gelev's National Provider Identifier (NPI) is 1518958131, issued by NPPES.
Does Dr. Christina Gelev accept Medicare assignment?
Yes. Dr. Christina Gelev accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christina Gelev 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 99215); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.