Doctor profile · Federal record

Dr. Michaela Grinsfelder, MD

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Houston, TX

  • NPI 1437310232
  • Accepts Medicare
  • MIPS 79.4 / 100 · 2023
  • 18 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1515 Holcombe Blvd
Houston, TX 770304000
(713) 792-6161
Mailing address
P O Box 4439
Houston, TX 772104439

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
April 21, 2023
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Texas #Q3936
Medicaid
TX #346621101

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437310232. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
223
Distinct HCPCS
8
Medicare allowed
$20,914
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 72 41 $99
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 69 23 $80
99215 Established patient office or other outpatient visit, 40-54 minutes 18 17 $145
99204 New patient office or other outpatient visit, 45-59 minutes 15 15 $135
99212 Established patient office or other outpatient visit, 10-19 minutes 15 14 $36
99213 Established patient office or other outpatient visit, 20-29 minutes 12 12 $67
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 11 11 $132
99238 Hospital discharge day management, 30 minutes or less 11 11 $75

In context: peer comparison

Among 69 peers in this city , average services per provider: 50. This provider delivers 4.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$387
Transactions
12
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Medical Device Business Services, Inc. 3 $179.17
Aveo Pharmaceuticals, Inc. 2 $48.17
ABBVIE INC. 2 $39.75
Genmab U.S., Inc. 2 $39.56
ImmunoGen, Inc. 1 $31.53
Eisai Inc. 1 $24.55
AstraZeneca Pharmaceuticals LP 1 $24.36

By nature of payment

Food and Beverage
$387

Frequently asked questions

Auto-generated from federal data
What is Dr. Michaela Grinsfelder's medical specialty?
Dr. Michaela Grinsfelder practices Obstetrics & Gynecology Physician in Houston, TX.
Where does Dr. Michaela Grinsfelder practice?
Dr. Michaela Grinsfelder practices at 1515 Holcombe Blvd, Houston, TX 770304000. Office phone: 7137926161.
What is Dr. Michaela Grinsfelder's NPI?
Dr. Michaela Grinsfelder's National Provider Identifier (NPI) is 1437310232, issued by NPPES.
Does Dr. Michaela Grinsfelder accept Medicare assignment?
Yes. Dr. Michaela Grinsfelder accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michaela Grinsfelder commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.